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SSD install on XPS Studio 8000 ( no AHCI in BIOS )

Q: SSD install on XPS Studio 8000 ( no AHCI in BIOS )

Want to pick up a ssd for my XPS 8000. Noticing that there is no AHCI in the bios. Is there a way around this?

I was hearing that I can set the BIOS to RAID and that will force AHCI. Is there any info on this?

Thank you and Merry Christmas.

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Preferred Solution: SSD install on XPS Studio 8000 ( no AHCI in BIOS )

I recommend downloading and running Reimage. It's a computer repair tool that has been proven to identify and fix many Windows problems with a high level of success.

I've used it in the past to identify and fix everything from blue screens (BSOD's), ActiveX errors, corrupt files and processes, dll/exe/sys errors, recover lost memory, Windows update problems, defragging, malware removal etc.

You can download it direct from this link (This link will automatically start a download of Reimage that you can save to your computer.)

A: SSD install on XPS Studio 8000 ( no AHCI in BIOS )

Hi Domchin,
Your system supports the use of an SSD (at SATA II speeds), but does not support AHCI.
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I purchased a Dell Studio XPS sometime ago but when I tried to upgrade the memory from GB to GB I ran into some problems First off here are the specifications of my PC which will hopefully give more information for Dell in 8000 not Bios - detected Memory XPS Studio anyone who is willing to help me troubleshoot Memory not detected in Bios - Dell Studio XPS 8000 my predicament Dell Studio XPS Chassis Serial Number WWXML Running Windows - bit Processor a Main Circuit Board b gigahertz Intel Core i kilobyte primary memory cache kilobyte secondary memory cache kilobyte tertiary memory cache -bit ready Multi-core total Hyper-threaded total Board Dell Inc X R A Serial Number CN BM Bus Clock megahertz BIOS Dell Inc A Chipset Intel D rev The original memory configuration that came with my Dell Studio XPS is as follows DIMM has MB serial number F E B Slot - Black DIMM has MB serial number F E B Slot - White DIMM has MB serial number E B Slot -Black DIMM has MB serial number E B Slot - White I had a total of gb of memory I replaced it with Corsair Vengeance DDR GB x GB This was inserted into Slots amp White with Slots amp Black left empty I had planned on buying another pack of Corsair DDR GB x GB if the GB worked therefore bringing me to the maximum amount of GB of memory which is all the motherboard can handle according to specifications However when I booted the computer with Corsair Vengeance DDR GB x GB only GB of the GB registered in the Bios I rotated the strips and they were both good When I went to switch back to the original configuration that came with the computer DIMM has MB serial number F E B Slot - Black DIMM has MB serial number F E B Slot - White DIMM has MB serial number E B Slot -Black DIMM has MB serial number E B Slot - White My PC would not boot and made a continuous beeping sound I am no longer able to use the original Dell memory in any configuration Therefore I am stuck with Corsair Vengeance DDR GB x GB that was inserted into Slots amp White with Slots amp Black left empty Slot White with GB of Ram being the only memory recognized The GB in Slot White does not register in the Bios and is not seen by other software utilities that I have tried Hopefully you can now see my frustration and realize that I now have less memory available to me than originally came with my PC I read through many internet forums and tried all sorts of different things to solve the problem but the results are always the same leaving my PC with only GB of memory to be accessed I m guessing that there must be something wrong with the motherboard but I m really not sure Unfortunately Dell has been of very little help Not sure what my next step should be but if there is anyone out there that can assist me it would be greatly appreciated Thank you John M nbsp

A:Memory not detected in Bios - Dell Studio XPS 8000

As that model doesnt have diver support for windows 10, that may be part of the issue. That rig wasnt meant for w10, have you considered going back? That may help. I dont see a way to run that OS on that hardware. At least reliably.
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Like heading says. My comp of about 6-7 yrs is not cc turning on now.... about  3 weeks ago my wife told me comp was taking long time to boot up.  it had to be restarted several times to actually boot up... then it was the hard drive making high pitched sounds and spinning had to be restarted manually  and on screen the cursor was just blinking ...and wasn't able to get it to boot up   now I'm REALLY SCREWED cause  it ain't even powering up now.   SOMEONE HELP PLEASSE


Charliec66,You will need to contact Dell Support for troubleshooting the issue. The number to call is listed in the link below.Dell Support Phone Numbers
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The USB ports on my dell studio xps 8000 keep dying. the light on the mouse stops working, unplug it and plugging it back in usually fixes it. there's also the sound its makes when you unplug from usb then plug in. sometimes I only get the sound which freezes the cursor then it working again. other time mouse is completely dead (no light) passes dell full tests says nothing wrong
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see second post.

I have a 3TB drive D: for data formatted with GPT.

Had BIOS OnChip SATA Type set as "RAID" "As SATA Type" from back in the day. When I took out the RAID, I forgot to change this to AHCI when I reformatted and got rid of RAID drives!

Changing to "AHCI" "As SATA Type" as shown in image in second post, causes Windows 7 x64 to lose / not see the GPT on my drive D: and it wants to "initialize" it as MBR or GPT-- no way!!

A:cloned C:, installed AHCI drivers, changed BIOS to AHCI, D:'s GPT gone

ok, returning to BIOS and setting back to RAID, as AHCI typeenabled me to view the drive D: again
C: drive seems to be running much more slowly again.
these drives are plugged into the OnChip SATAWith AHCI as SATA typeno drive D:

With RAID as SATA typehave drive D:
but C: definitely dog-tired-slow
I really should not have fiddled with this at 3AM on a Sunday morning!!! Bah, I'm a pro, what could go wrong???

I'm not sure why changing to AHCI causes windows to miss the GPT on the D: drive.
Can I back this GPT up and restore it? Detect it after changing to AHCI? this is my only large drive, I can't back up the entire fricking thing.

The other question this makes me ask is how do I keep my GPT when I move to another motherboard? I don't trust the GPT like I do MBR hm....

edit: changing back again, it does not seem any faster. Doing more reading, it's ok to leave it as RAID because AHCI functions are still available no? So I really shouldn't gain/lose any performance?
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I bought a brand new SSD, installed it in Windows 7, and there is no option in my BIOS for the SATA controller (to switch between IDE and AHCI Mode). How do I determine whether my computer's sata controller is using IDE or AHCI?

I want to make sure that my AHCI controller is enabled and not IDE when using TRIM.

If anyone can look at the picture below and determine whether my computer is default in IDE or AHCI, then I will mark this as Solved.


A:No AHCI option in BIOS, is my computer default in AHCI or IDE?

Run this tool and see what it says,

AS SSD Benchmark 1.7.4739.38088 Download - TechSpot

It will show you what mode it's running in.
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hi, my computer don,t show any video, no Dell logo and is beeping constantly.
please follow this link to see my problem.
I appreciate some help!Ar4ULlMGVF_tgZNJ-IVIp1YYW2EHxA

<iframe src="" width="180" height="320" frameborder="0" scrolling="no" allowfullscreen></iframe>

A:Dell Studio xps 8000 beeping constantly

Hi Turosky
Thanks for writing to us.
Do provide us your system tag#, email address and name via private message,by clicking on my name in blue and then select send a private message
Any idea where is the noise coming from? Please disconnect the power cable and hold down the power button for 15 secs, then put back the cable and power on, observe for any changes.
Also disconnect all memory modules, hard drive, optical drive and power up the machine if there is no sound, then put back the parts one by one starting with memory module and observe .
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Hi I have a Dell Studio XPS OEM Windows -bit installed my GPU is an nvidia geforce gt Sometimes Windows completely freezes even the mouse pointer and automatically shuts down after Freezes 8000, Windows 7 Studio Dell x64 XPS some minutes It started happening in January and happens from to times a day On the next windows start this message is shown sorry Dell Studio XPS 8000, Windows 7 x64 Freezes it's in Italian Quote Firma problema Nome evento problema BlueScreen Versione SO ID impostazioni locali Ulteriori informazioni sul problema BCCode BCP FFFFFA AB E BCP FFFFF D NOTE last digits always change BCP FFFFFFFFC A BCP OS Version Service Pack Product File che contribuiscono alla descrizione del problema C WINDOWS Minidump - - dmp D Users Enrico AppData Local Temp WER- - sysdata Dell Studio XPS 8000, Windows 7 x64 Freezes xml Seems like a BSoD happened but I didn't see any blue screen Every Dell's diagnostics utility say everything is working alright After a Windows clean install it seemed to stop happening for some days I did a google search on this error and it seems related to the GPU I did better testing on it I tried different nvidia drivers and but nothing resolved Sometimes it happens when I'm booting up my PC but it mostly happens while I'm actively using it GPU is not overclocked and the freeze happens even when its temperature is really low It didn't happen during the furmark benchmark EDIT When I link the monitor via VGA instead of HDMI I can see a BSoD after the freeze happens The system is still in warranty so I if I bring it back to the shop I will have it repaired for free but I'd like to try solving the problem without having to wait several weeks Thanks in advance for any input

A:Dell Studio XPS 8000, Windows 7 x64 Freezes

Quote: Originally Posted by Instabile

Hi, I have a Dell Studio XPS 8000, OEM Windows 7 64-bit installed, my GPU is an nvidia geforce gt 220.
Sometimes Windows completely freezes (even the mouse pointer), and automatically shuts down after some minutes.
It started happening in January 2011, and happens from 0 to 6 times a day.
On the next windows start, this message is shown (sorry, it's in Italian):

Firma problema:
Nome evento problema: BlueScreen
Versione SO: 6.1.7600.
ID impostazioni locali: 1040

Ulteriori informazioni sul problema:
BCCode: 116
BCP2: FFFFF88004D64428 // NOTE: last 8 digits always change
BCP4: 0000000000000004
OS Version: 6_1_7600
Service Pack: 0_0
Product: 768_1

File che contribuiscono alla descrizione del problema:

Seems like a BSoD happened, but I didn't see any blue screen.
Every Dell's diagnostics utility say everything is working alright.
After a Windows clean install, it seemed to stop happening for some days.

I did a google search on this error, and it seems related to the GPU, I did better testing on it.
I tried different nvidia drivers (266.58 and 263.11), but nothing resolved.
Sometimes it happens when I'm booting up my PC, but it mostly happens while I'm actively using it.
GPU is not overclocked and the freeze happens even when its temperature is really low. It didn't happen during the furmark benchmark.

The following details are not confirmed, since I'm currently testing them:
It doesn't seem to happen while I use the PC without video driver, or when I link the PC to the screen using a VGA cable.
It only seems to happen when I link my monitor (Samsung SyncMaster T220HD) with an HDMI cable.

The system is still in warranty, so I if I bring it back to the shop I will have it repaired for free, but I'd like to try solving the problem without having to wait several weeks...

Thanks in advance for any input!

You have 5 different Bug Check codes and that is usually hardware. Since 2-3 of them are video related I share your suspicion that is it video driver, or card.

I would re-install the driver this way

When upgrading your graphic driver you MUST remove all traces of the current driver. In order to do that we recommend using Guru3D - Driver Sweeper

When it is removed then download and install the fresh copy.

I would also run a system file check to verify and repair system files. Neither should void your warranty.

If these both come back clean there are a few other things we can try
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Not a question just an informational post Recently bought Power Studio Supply XPS Dell Upgrade 8000 a Dell Studio XPS from Best Buy Love the computer works great but I ve already added a hard drive will be adding a Blu-Ray burner as a second optical and may add a TV tuner card The stock W supply just seemed a bit puny so I swapped in a Corsair TX W supply It works fine I know that s overkill but Fry s had it on sale for bucks cheaper than the I was going to buy Issues The stock power supply is mm deep this one is mm deep Made for a tight fit but nothing had to be forced Don t go larger than that though The Corsair has PCI-E connectors only one is needed in this PC so you have three extra cables to stash none of the cables are detachable There are two SATA cables with four connectors each Two hard drives and two optical drives can be run off one Dell Studio XPS 8000 Power Supply Upgrade cable Sweet Leaves an extra cable to stash There are eight old style -pin connectors on two cables so two more cables to stash The -pin EPS connector splits in two so it works for the -pin EPS on the mainboard Very quiet I like it but if I had to do it over again I d likely go with something with detachable cables The bundle of unused cables is large but fits in the space available where horizontally-mounted hard drives would normally be the Dell has them mounted vertically nbsp

A:Dell Studio XPS 8000 Power Supply Upgrade

Just bought the 650TX after reading this, any tips you learned while swapping the power supply out?
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I have the same problem - not as savvy as you. when you wrote From MSDN what do the dots mean?
I have new studio xps 8000 Dell desktop, windows 7, with 8GB or memory and 750GB of harddrive. I don't have much on it. Someone said it might be my internet explorer is corrupted. Totally confused. Any help appreciated. 4hal

A:Stack Overflow line 0 - Dell Studio XPS 8000

Hi -

Referenced thread -->

The dots in the MSDN URL? It is the way the system presents an elongated URL.

I would suggest the same as I posted in the other thread - Driver Verifier -

Regards. . .


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I am new here I would like to thank anyone in advance that could help me
with a master password #DC9NM01-595B Thanks again !

[email protected]

A:Dell 8000 bios password help please

DO NOT post your email in a public forum unless you like spam.
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I searched in this forum for a solution to update the BIOS without a floppy drive. The only one i found was this thread [] , but there is no .iso file for the tecra 8000 series.
is there any solution to get the new bios installed on my tecra 8000 without any floppy drive ?

A:BIOS Update for Tecra 8000 without Floppy Disk

I have checked Toshiba BIOS download page on and TRAD BIOS version is offered. This old Tecra is maybe 10 years old and at this time Toshiba has offered traditional BIOS update only.

Win versions are offered later with newer Tecra 9000/9100.

Maybe stupid question now but why do you need BIOS update?
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Hello everyone First i posted here because i m not sure if the http www techspot com vb topic html thread is being read any longer if please password, help shorting work, 8000 Inspiron wont Dell bios i did wrong i apologize for it i won t do this again I m just a Dell Inspiron 8000 bios password, shorting wont work, please help little desperate with this problem Ok my problem My aunt bought me a dell inspiron for my birthday she doesn t know anything about computers but she s a great lady i really apreciate this gift She gave it to me and as i powered it on i saw the bios password screen I started reading across this site about this password thing and decided to try that shorting method I located the Dell Inspiron 8000 bios password, shorting wont work, please help chip labeled WC J on Dell Inspiron 8000 bios password, shorting wont work, please help the board and proceeded to short rd and th pins nothing when i short and power on laptop goes off right after powering on If i do the shorting pin by pin on rd and th using the paragon shorter with the rd pin it powers on but still that pass screen with the th pin it goes off just after powering on Maybe there s some trick on the th leg as far as i know th is the clock pin for the chip and rd is the A pin i guess is an input So i guess the shorting method won t work for me I visited IdidMyC and the paragon site and also read the descriptive pdf at this sites also took a look at the pictures and stuff at this sites but i guess this thing wont work with the shorting methods So i was wondering if rustam could help me out man i know you are really busy out there but if you just got a minute for me i d really apreciate it the service tag for this laptop is ZNHC - B Also i looked down the laptop and service tag and express labels have been teared off so i dont know the express code i just got this service tag from that bios password screen I just want to use this laptop for my school subjects i can t afford a new one and i just really need to use this one it is in such good shape please Rustam if you could have a minute nbsp
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I have SSD as primary system drive and 2x512GB HDDs as RAID 1 for storage.

In bios i have options to set them as AHCI, IDE and one more that i forgot...

What is the proper way to set them?

A:How to set SSD and HDD in the bios (AHCI, IDE...)


Just be advised if you change the settings at all you may lose access to all the data, especially the RAID, if you're not very aware what you are doing then it's best left as is.

The tutorial linked below will give you some of the basics, but you have been warned.
AHCI : Enable in Windows 7 / Vista
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I understand that if I wanted to get a SSD (such as the Vertex 2), I would need to enable AHCI in the BIOS.

However, I have pullout chasses in my PC which allow me to swap in and out about 7 different hard drives that I use for various data storage. I also have one hard drive which is an XP boot and another which is a Windows 7 boot. I am currently using plain old SATA in the BIOS.

Can anyone please explain what effect turning on AHCI would have to my system? Would I still be able to access the data disks? Would I still be able to boot off the bootable disks?



It would be best to start the Advanced Host Controller Interface (AHCI) with a fresh install of Windows. All 3 of my drives are SATA and configured in a 1TB striped RAID. ACHI is automatically enabled when using a RAID array. The data on all your drives may disappear when they are connected when you enable ACHI
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Good day I recently installed a Samsung EVO SSD drive to my old Gateway GT OS Windows Home premium bit SP CPU AMD Phenom Quad Core GHz Motherboard R - Foxconn Bengal RS in Not found AHCI Bios Motherboard Memory GB of DDR Graphics Card s Integrated ATI Radeon HD video Sapphire Radeon HD Sound Card Integrated ALC S HD codec Monitor quot Samsung SyncMaster Hard Drives One Internal Samsung SSD EVO One Internal GB RPM AHCI Not found in Bios SATA II hard drive PSU Ultra LSP W Case Gateway -Bay uATX Computer Case Cooling CPU - Arctic Cooler Freezer Keyboard HP Mouse Logitech Laser Before Installing Windows HP and wanting AHCI Not found in Bios to take advantage of the drives quot Trim quot function I checked the bios settings in quot Integrated Peripherals quot I was hoping to change the on-board sata mode to AHCI I couldn't find the AHCI setting anywhere This board is SATA II only Would this board foxconn bengal rs Rev be to old to be able to select the AHCI mode The drive did come with software which I did not install Thanks N

A:AHCI Not found in Bios

I doubt it has it
I would imagine an old computer would have old legacy bios.

Why do you need it ahci ?
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When I turn on my Dell XPS 410 I can't get by a screen that says:

Serial ATA AHCI BIOS Version iSrc 1.02.22 07062006
Copyright © 2003-2006 Intel Corporation
**this version supports only hard disk and CDROM drives**

Controller bus#00, device#1f, function#02: 02 ports, 02 devices
Port--00: hard disk, wdc wd2500js-75ncb3
(this drive is controlled by the RAID BIOS)
Port--01: CDROM, nec DVD+/-rw nd--3650A
AHCI BIOS installed
Intel® matrix storage manager option rom v6.0.0.1022 ICH8R
Copyright© 2003-2006 intel corporation. All rights reserved.

I have no idea what to do. Please help.

Thank you


Can you boot into safe mode?

Any onscreen error messages?

The lines you list...are from the BIOS, which is part of the normal boot process.

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I have a SSD drive amp want SSD? Setup for Bios AHCI to use the AHCI Mode amp Native Command Quening from W Pro X I performed the Regedit by setting the START paramater in the registry key HKEY LOCAL MACHINE SYSTEM CurrentControlSet services msahci from quot quot to quot quot - and then making the switch in the BIOS from IDE to AHCI Windows still would not load The Bios screen would not load W I have a Gigabyte GA-EP -UD R Board that has a Intel P Chipset amp I installed the latest Intel Sata drivers before I tried the change I had to use my Acronis True Image program to get W back up amp running My Board has Intel Sata ports amp two Gigabyte ports on the board I don't use the Gigabyte ports amp they were left in the IDE AHCI Bios Setup for SSD? mode in the Bios when it failed The Bios AHCI Bios Setup for SSD? screen loaded differently but failed as I said to load W Can I fix it without doing a clean install Did i do something wrong I also saw a MS Fixit for this change If I perform a clean install will W load amp install in the AHCI Native modes with the bios setting to AHCI amp not IDE I have the SSD for programs amp a TB HDD for storage amp backup Thanks I

A:AHCI Bios Setup for SSD?

It is possible that the registry setting that you changed only supports the Microsoft AHCI drivers, not the Intel ones.

I don't know whether it'd be practical to uninstall the Intel drivers.

If all else fails, a re-install of Windows with the SATA controller set to AHCI in the BIOS should work fine. You should not need to install any third-party driver to install Windows on a drive that uses one of the Intel SATA ports.
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A:AHCI BIOS Not Installed

Look at this helpful Thread that relates a little to your issue.

Seem that error is the raid bios, according to that thread you need to go into Bios and find the SATA operation and turn it from "Raid Autodetect AHCI" to combination. At least that is what that thread says, I have no personal experience with this but if you are not using raid why leave it on to cause issues.

Hopefully that helps.
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Hello people, i'm new in this forum so i'm sorry if i shouldn't post in this section
so i just bought a new SSD (850 evo 250gb) And it says on it's software i should enable AHCI mode on my bios
to get it faster. also the tests results show 250 when it was supposed to hit 520-540, and i think it's due to not having
AHCI mode, but i tried to change it in my BIOS, but i only have these 3 options:

- S-ATA (which is the one i'm using now)

Isn't there any other way to change it to AHCI mode?
thank you.
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My current computer is a inspiron 530s running Windows 7 (of course) and in it there isn't an option in the BIOS for AHCI mode. I have the newest version of the BIOS and was wondering if there might be something else I might could update or change to make the option available. Thank you for your time and i'm sorry if this isn't the best place to post this thread on the forum.

A:No AHCI mode in BIOS?

Welcome to SF. You will want to visit the Dell site to see if a newer bios version doesn't address this very issue. If it does then you will want to back up all data and research in the Dell manual the proper way to do a bios update as any false move can brick your rig. This isn't to say that it's not straight forward but you must adhere to the procedure.
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Hey everyone First today I wanted to enable AHCI with my GA-EP -DS amp Samsung HD LD C System Drive with Vista BIOS & problem AHCI x amp HD LJ D Tools Media Games After rebooting twice D didn t show up after first reboot driver install I guess former AHCI & BIOS problem drive D is now there as drive F I can t start anything that s installed on it obviously I wanted to update my Bios but I don t have a USB-Stick at hand and the ONLY disks I have found are those of Linux SUSE which I seem to not be able to format Anybody know why this is I don t really trust the Gigabyte Windows BIOS flash Any help appreciated Best regards JD PS BTW to test the change after enabling AHCI I copied GB from D to C with the standard IDE setting and then with ACPI enabled quot SATA RAID AHCI Mode quot and quot Onboard SATA IDE Ctrl Mode quot During both tests I had Opera running and started a wmv file with WMP about secs into the copy process With the standard setting it set in with about - MB sec there was no halt or slowdown when I started the media file and it took m s until completition With AHCI enabled the copy process started with - MB sec then when I wanted to start the media file it took about secs until WMP started playing the file the transfer rate dropped to - MB sec and never recovered This time the process took nearly m to complete Is this normal behavior Am I missing something PS I just wanted to make another run with AHCI which I did but I couldn t expand the copy window to see the info on transfer rate etc Anyway time until completition was almost m flat this is without starting any media file I don t really know what to think do nbsp

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A little while ago I noticed that my motherboard's BIOS was configured to use IDE instead of AHCI I don't know if I installed Windows while it was in IDE mode and didn't realize it or if the BIOS just switched it by itself can it do that I've BIOS Issues and AHCI read there's a way to switch it back to AHCI mode without requiring a reinstall by going into the registry and modifying the values for msahci and pciide before restarting and switching to AHCI That doesn't work for me though BIOS and AHCI Issues What ends up happening is that in the POST screen the motherboard will detect the DVD drive fine but when it tries to detect the hard drives it'll say something along the lines of quot Auto detecting SATA quot and then just stay there I don't know BIOS and AHCI Issues if it actually progresses after that since I didn't have the patience to wait but the point is that it shouldn't be taking that long It doesn't even boot into Windows My real question is this Is there something wrong with my motherboard My computer is getting a bit old years and I have noticed that the motherboard is taking longer to detect devices Before the computer would show the motherboard splash screen immediately but now it displays quot Loading ASUS Express Gate quot for a few seconds before doing so Afterwards it also tells me that it can't detect a hard disk for a split second before booting into Windows I think all of this started happening after I unplugged everything to clean out the computer I might've rearranged some SATA plugs too and then plugged everything back in If this isn't a problem with Windows is it possible that the motherboard's AHCI or SATA controllers failed Or maybe it's a problem with my hard drives' SATA controllers I can boot in IDE mode but not AHCI mode

A:BIOS and AHCI Issues

This is the tutorial for how to switch to AHCI if W7 was installed in IDE mode:
AHCI : Enable in Windows 7 / Vista

As for your boot problem, it sounds like the BIOS setting reverted to default and Asus ExpressGate was enabled afterward. The BIOS can reset if you removed the 3v battery from the motherboard, but it can also reset if you caused a short circuit while removing parts, even for a brief second.

You can disable ExpressGate in BIOS. That 'feature' will slow down boot time. Also enable 'Quick Boot' and disable 'Full Screen Logo'.

If you moved things around in the PCI slots it is always a good idea to perform a ClearCMOS (CLRTC) procedure afterward. This forces the system to re-recognize all devices and it resets the BIOS defaults too. It may also clear up any configuration errors that are delaying boot.
The procedure is in your motherboard manual, or ask here.
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dell inspiron 530 with xp on it, i notice that during the black screens on startup it says AHCI Bios not intsalled, it seems everything is running ok, but this has me worried as I haven't seen it before, I reinstalled setup disk and went to repair, it went to cmd prompt, I then tried to do CHKDSK/R" command is not recognized

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Hi this might not be the correct forum but I thought i'd try anyway.

Basically i've bought a new pc and the BIOS 'American Megatrends' seems to be very difficult to try and find how to change to AHCI mode. I need to change it as im going to be installing a mac os distro.

If anyone has any experience with the BIOS software then please let me know!

Oh and here are my specs if u need them:

AMD Phenom II X4 955 (AM3, 3.20 GHz, 8MB Total Cache),
Standard Heatsink & CPU Fan,
1000GB S-ATA 7200RPM Hard Drive,
802.11G 54mbps PCI Wireless Network Card

Kind Regards,


A:Changing to AHCI in BIOS

Check page 45 in your manual, download from here:
ASUSTeK Computer Inc. - Motherboards- ASUS M4N68T-M
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Hello nbsp My question about my HP computer's BIOS is two-fold this is the second part first part has already been answered nbsp The computer is a -bit HP Pavilion Media Center TV m uk model RE AA ABU with ASUS motherboard P BW-LA Rev Basswood nbsp with Intel P chipset I D socket LGA Core Duo CPU E GHz with GB DDR RAM and BIOS by Phoenix Technologies dated Core Version and Win -bit Ultimate SP nbsp Due to its age the original HDD has been imaged over onto an SSD Samsung EVO nbsp MZ- E T B following Samsung's guidelines religiously I have performed this with my laptop a few years younger than the desktop and everything works as it should The desktop has the following issue nbsp Upon restart after imaging the original HDD over onto the SSD one must enter BIOS and change the settings to AHCI other options being IDE and RAID in the Advanced Menu But alas Windows OS fails to start and an error message is produced immensely briefly all relevant images have been posted on my profile but I do not know if they can be viewed as I am new on this forum nbsp When starting my HP desktop computer it informs me that SATA AHCI BIOS is installed but that This version supports only Hard Disk and CDROM drives nbsp I have researched the error and it appears that because this was not a fresh installation of an OS the AHCI driver needs to be manually switched on in the registry I am guessing here but I have found instructions from Microsoft and I have nbsp tried this option -- support dot microsoft dot com en-us kb of changing the value in that registry key after making its back-up and then restarting and changing the BIOS configuration from - AHCI using an BIOS SSD) (when issue RAID to AHCI but when I exit BIOS and it starts loading the OS exactly the same error message comes up nbsp The system will only work in RAID which it has originally been set to by HP Apparently for the correct and most effective functioning of an SSD e g TRIM etc BIOS needs to be set in native AHCI nbsp Nevertheless I have attached another Samsung SSD EVO to see if the motherboard will allow me to install Win when the BIOS - AHCI issue (when using an SSD) AHCI setting in BIOS has been chosen this is recommended for fresh installs of an OS anyway Even though the same message has come up that SATA AHCI BIOS is installed but that This version supports only Hard Disk and CDROM drives the error message has no longer showed up and Windows has loaded and opened fine nbsp This leads me to believe that there is an issue with the msahci and iaStorV drivers specifically with their registry keys which must have the wrong values preventing the OS to start with the AHCI setting I have taken screenshots of the existing SSD's registry values for those keys images available on my profile and have named them all OLD and then I have taken screenshots of the other SSD's registry values for those two keys the freshly installed Win OS and have named them all NEW to easily identify them nbsp My observation so far is that the OLD iaStorV key value Enum is almost identical to the NEW msahci apart from one digit in the PCI VEN Data value and that the NEW iaStorV has the start value at instead of i e it is disabled if I understand this correctly nbsp nbsp Therefore I need to know how I must change the registry values to enable the computer to load the OS with the BIOS setting in AHCI because in RAID the software cannot even see whether the SSD is connected via SATA or not Would simply putting in Start in iaStorV help with msahci having in Start The problem I can see with this is that the old msahci has under Enum in the Data Root LEGACY MSAHCI As I do not know anything about how to correctly edit the registry this probably comes across very simplistic nbsp Another scenario has also occured to me and that is copying over the NEW registry keys to the old system same rig same OS But I am concerned that after that if it goes wrong the system might not be able to start in either AHCI or RAID nbsp nbsp In ... Read more
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A:How do i install a 128 MB RAM chip into a Toshiba Tecra 8000?

I must have added 128mb of ram to mine, because I now have 192mb.

I bought the ram chip from Toshiba.

It was pretty simple to install, I belive I just put the 128 chip in the second slot.
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A:ahci modes in biostar ami bios


Your manual should explain the difference. Unless you are using a RAID configuration, and your Motherboard can handle it, select AHCI.

You may need to install its drivers.
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A:HD not recognized at all if AHCI enabled in bios - please help -

There are 6 SATA ports on the "South Bridge" controller (Orange ports). There are 2 SATA ports on the "Gigabyte SATA 2 Chip" controller (Purple ports). The orange ports use the generic Intel SATA/RAID drivers.

Which port do you have the hard drive connected to? Have you tried it in one of the the other ports?

That motherboard has a higher than normal number of complaints on Newegg. It could be defective.
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Do I need to update the BIOS? Where do I get the update and how do I update it?

A:No AHCI in BIOS in Satellite Pro A200

As far as I know BIOS update doesn't offer some additional options. Please check BIOS settings again. In advanced BIOS options there should be SATA option and there you can change between compatibility and AHCI mode.

I have it on my P200. It is almost identical machine but 17? and your is 15? model.
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Serial ATA AHCI BIOS, version UPSD Source 08-24-2007
Copyright (c0 2003-2007 Intel Corporation
** This version supports only Hard Disk and CDROM drives**
Please wait. This will take few seconds.

Controller Bus#0 Device#1F, Function#2: 06 ports, 01 Devices
Port-01: No Device Connected
Port-02: No Device Connected
Port-03: No Device Connected
Port-04: No Device Connected
Port-05: No Device Connected
AHCI BIOS not installed

A:Getting AHCI BIOS not installed message

go into your bios and turn off AHCI mode
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I have the same Problem, please could anbody help. I Did not find any possibilty in BIOS to activate ACHI
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I would appreciate any help - this is urgent!

Thank you!

A:AHCI mode not in BIOS - URGENT

Are you sure, how old is this pc ?

Usually under the Advanced tab you`ll see a bunch of options, one says sata configuration, if you click on that it may pop up a sub menu.

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I'm purchasing a new SSD next week. I've been reading up on it and it looks like I need to enable AHCI in my BIOS. I can't find any option for AHCI though.

I currently have my System setup as RAID0. This was how it was set up in the factory and I haven't changed it.

The only option I have is under SATA operation and I can either set it to "RAID Autodetect/ATA" or "RAID ON".

Is there anyway I can check to see whether AHCI is already enabled? If not will one of the above options enable it?

A:How to Enable AHCI - No option in BIOS.

Some motherboards incorporate AHCI SATA automatically. In the early days of SATA there was a lot of confusion in terminology. "RAID" - "AHCI" - all the same thing.

For your motherboard it looks like you want to choose "RAID Autodetect/ATA" to use a non-RAID setup with AHCI.
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It is already set to ahci and could not be changed to anything other than that. What makes you think it is other than ahci?
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A:2nd HDD not working after swapping bios to AHCI

Welcome to the forum Ghozt.
Our experts will need to see some more information. Please read and use this tutorial by Golden and post the picture.

Disk Management - Post a Screen Capture Image
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A:Cannot select AHCI option in BIOS for SSD

Hi: Please read this related thread.  You don't need to (and can't) enable AHCI on your notebook. SSD TRIM support is supported in RAID mode for your model notebook as long as you have the Intel RST driver installed.
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A:SSD seems to be running in AHCI but BIOS not detecting?

Same is happening with my MB (check my sig), it doesn't show in boot menu but it's there when choosing default boot drive. My guess is that they were not ready for SSDs at the time. I scared me first time I put SSD in, thought it was DOA. It does show properly when in IDE mode but that's not good for SSD.
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Should I just reinstall windows in AHCI mode. I have not installed much at all except for drivers no biggie I'd like to stomp this early. but I'm worried about re-installing will just cause system to go back into rebooting like crazy.
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A:No AHCI BIOS error when loading XP

CYAN S2696 you mean tyan
go to the MB website get manual re-set bios
set hard drive mode to ide
google no CYAN MB's
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Hi all
It will mean a fresh CLEAN install of Windows I'm afraid but if you have decent SATA disks change the default setting in the BIOS from IDE to AHCI.

It really WILL improve system performance --one of my big bugbears on any discussion on performance is how the I/O subsytem (generally Disks) is forgotten - yet on most home computers the I/O subsystem is often the real cause of dreadful performance.

You'll have to do a windows CLEAN install as the system will BSOD if you just change the BIOS so you won't be able to run the installer from within Windows itself. (If you can you are very lucky).

It won't effect any Virtual machines you may have however (apart from improving disk performance).


A:Change IDE to AHCI in BIOS - Much better performance

I went back and forth between AHCI being on and being off on my new box that I built in July. Honestly, with almost ever task I did and with any benchmarking tool, I didn't see any real performance gain with AHCI enabled.

Unfortuantely, with AHCI on, I do have about an 8 second delay on each boot as the storage controller initializes. And since I do boot daily, and it was costing me 8 seconds which I didn't pick back up elsewhere, I just run with AHCI disabled.
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A:Build 7229 hangs in Bios on AHCI

This happened to me a few builds back and a common problem i think. i just leave mine on IDE. I think it happens with an upgrade but not sure.
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I think I can pull the SSD from the SOLO adapter and connect it directly to the SATA cables and install from there, setting AHCI off in BIOS, then setting it back on again in BIOS & windows after the install.

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A:reinstall win7 from CD AFTER setting AHCI in BIOS

You most likely need the pre-install drivers. But I can't see such a link on Apricorn website. Perhaps you have a CD that came with it?

- Anyway you should be able to install Windows by removing the SOLO-X2 (and the SSD) and attaching the SSD to a SATA port.
- After the installation reinsert SOLO-X2 to PCIe port (keep SSD connected to SATA port).
- Log into Windows, drivers will install automatically.
- Shut down PC, put SSD in SOLO-X2
- During boot up, enter the BIOS of your computer and assign the SSD on the Velocity Solo as your boot device.
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A:SSD hard drive do i use Sata as IDE or AHCI in Bios

See this tutorial: AHCI : Enable in Windows 7 / Vista
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A:Help! Cannot Choose "AHCI" in BIOS/SATA Operation

I "can't" go through a process that reinstalls Windows XP from scratch -- the "professional" lost my reinstall disks and I have so many problems getting and installing drivers from Dell.I can't understand whyAs long as you registered it and you're the owner, they're free
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Does anyone have any suggestions?
Thanks in advance for any suggestions :>
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A:Latitude D820 BIOS | SATA AHCI Mode

The answer is that this system is long since end of life - it will not see any further BIOS updates.
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A:Can't find AHCI setting option in BIOS HP pavilion dv7

Help us to help you by posting the following information. 1.  The complete Model Name. or Product Number. of the notebook - see This HP web document if you don't how to locate the model number and\or product number.
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Serial ATA AHCI BIOS Version iSrc 1.02.22 07062006
Copyright © 2003-2006 Intel Corporation
**this version supports only hard disk and CDROM drives**

Controller bus#00, device#1f, function#02: 02 ports, 02 devices
Port--00: hard disk, wdc wd2500js-75ncb3
(this drive is controlled by the RAID BIOS)
Port--01: CDROM, nec DVD+/-rw nd--3650A
AHCI BIOS installed
Intel® matrix storage manager option rom v6.0.0.1022 ICH8R
Copyright© 2003-2006 intel corporation. All rights reserved.
I can't get past this screen and I can't reboot into safe mode. Any ideas what this could be?

Thanks for your help

A:Serial ATA AHCI BIOS Version iSrc 1.02.22 07062006

Hello and welcome to Bleeping Computer! I am HelpBot: an automated program designed to help the Bleeping Computer Staff better assist you! This message contains very important information, so please read through all of it before doing anything. We apologize for the delay in responding to your request for help. Here at Bleeping Computer we get overwhelmed at times, and we are trying our best to keep up. Please note that your topic was not intentionally overlooked. Our mission is to help everyone in need, but sometimes it takes just a little longer to get to every request for help. No one is ignored here. To help Bleeping Computer better assist you please perform the following steps:*************************************************** In order to continue receiving help at, YOU MUST tell me if you still need help or if your issue has already been resolved on your own or through another resource! To tell me this, please click on the following link and follow the instructions there.CLICK THIS LINK >>> <<< CLICK THIS LINK If you no longer need help, then all you needed to do was the previous instructions of telling me so. You can skip the rest of this post. If you do need help please continue with Step 2 below.*************************************************** If you still need help, I would like you to post a Reply to this topic (click the "Add Reply" button in the lower right hand of this page). In that reply, please include the following information:If you have not done so already, include a clear description of the problems you're having, along with any steps you may have performed so far.A new DDS and GMER log. For your convenience, you will find the instructions for generating these logs repeated at the bottom of this post.
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W BG CGE had BIOS and RAID AHCI) Option (RAID gone SATA or after BIOS W540 up... with two Samsung EVO TB working fine under Windows - x Did a by lenovo update tool recommended BIOS Update with the bios update manager to Update ran fine After Rebooting and loading defaults disabling Intel Rapid Start Changing BIOS boot option to legacy first I W540 SATA Option (RAID or AHCI) gone after BIOS up... recognized SATA Option AHCI or RAID in BIOS is gone At boot Intel Matrix Storage Configuration doesnot appear anymore where you can build RAID etc nbsp Boot then brings up message missing operating system nbsp Downgrade to BIOS impossible due to ISO File on www lenovo com support is not W540 SATA Option (RAID or AHCI) gone after BIOS up... system compatible message Lenovo Group Limited - Invalid system disk Replace te disk and then W540 SATA Option (RAID or AHCI) gone after BIOS up... press any key The link to the ISO File version at the bottom of this page links a non bootable ISO imagehttp support lenovo com en US downloads detail page DocID DS Also the downgrade to BIOS version found here http www notebook-driver com detail thinkpad-driver-id- doesnot work CD also messages Lenovo Group Limited - Invalid system disk - Replace nbsp Rewriting BIOS version GNET WW doesnot work says BIOS update not necessary nbsp Embedded Controller Version GMHT WW ME Firmware Version nbsp Anyone has a suggestion what to try next Anybody has a hint how to get back my RAID controller thanks and have fun Solved Go to Solution

A:W540 SATA Option (RAID or AHCI) gone after BIOS up...

Did you order your system as RAID model?  W540 does not come with RAID by default.  Lenovo has to license RAID option ROM (costs $) so it is only provided if you order RAID model from Lenovo.  As far I as I know, the only RAID model in Europe is 20BG001Sxx.  And your 20BG001Cxx model came with only 1 disk.  If I am wrong about this, please let me know.
I believe there was a bug in 1.05 that mistakenly enabled RAID on some non-RAID models.  The bug was fixed in 2.05, so unless you really have a RAID model W540, then RAID would become properly disabled on your system.
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I wanted to be able to hot swap drives, on a Gigabyte GA-Z97-GAMING 3 M/B. Seems the Gigagbyte BIOS has 3 SATA MODE SELECTION options:
IDE, AHCI and RAID. It was set to RAID, which makes sense as the D drive is a pair of matched SATA III drives in a BIOS (software) RAID 1 pairing. C drive is an SSD with the OS on it. However this option doesn't seem to allow hot swapping, even though all drives are set in the BIOS with hot swapping enabled.
Setting the SATA MODE SELECTION parameter to AHCI doesn't allow booting, and I am afraid of enabling AHCI in the registry in case "something bad happens" to the RAID. What will happen if I both set AHCI in the BIOS and set the Win 7 64 bit registry for AHCI? Will the RAID1 Intel Rapid Storage Technology software RAID 1 pairing still work, and will I then have hot swappable drives? Thanks.

A:BIOS, RAID 1 and AHCI hot swappable drives question

Edit: Putting the edit in the beginning, but do read till the end please. You have a separate controller named Marvell? 88SE9172 chip, try setting this as AHCI in BIOS and attach the drives you want to hot-swap to GSATA3 ports 6-7(grey ports?), see if it works. Maybe you wont have to change to AHCI on your Intel chipset after all.

Hey, I have an older AMD Gigabyte board but things may be similar. I will share my experience.

First of all, in BIOS I have 3 different sets of options for IDE/RAID/AHCI. Namely, E-Sata ports (x2 SATAII), GSata (x2,SATAII) and OnChip SATA (this is the SB850 SATA ports,x6 SATAIII). E-Sata and GSata are both controlled by Jmicron chipset.

When I installed current OS a month ago on my new SSD, I installed with OnChip SATA mode set as RAID as I had 2x1TB BIOS raid0 and 2x640GB BIOS raid0 that I didn't want to break. The RAID option in theory is just a subset of AHCI and should have the same functionality. However, Samsung Magician program for the SSD had problems recognizing the SSD properly. So I had to change to AHCI.

You can definitely change the registry to load msahci(and IAStorV on intel?) on startup, it is just another driver to be loaded, OS will continue to use RAID drivers as long as BIOS is set to RAID. However, you will lose your BIOS raid once you switch to AHCI in BIOS, they will be back if you change back to RAID once again (just don't do anything to them in windows ). I backed up my data and set-up a new windows raid0 in disk management and it is working alright atm. So losing your BIOS software raid is not that much of a problem imho.

Now the interesting part is, although OnChip SATA ports are set for AHCI, non of the drives attached to these ports are hot-pluggable. They simply don't show in Safely Remove Hardware. Not that I want these show as removable mind you.

For hot-plug ability, I use E-Sata ports which are set to AHCI as well and had to install the corresponding JMicron drivers. The HD I use for backup purposes is connected to the PC with a SATA-to-ESata data cable and I have an adaptor that can supply 12V+5V 2Amps that has a molex ending, which in turn has a molex to sata power converter. I can hot-plug this disk and just use safely remove hardware like any usb stick/hdd. Now, this may not be what you are looking for, I just wanted to show you even though both chips are AHCI one of them doesn't list drives as hot-pluggable and the other one is.

The above setup is working alright for me so I have not looked into it further but there may be one other option that you can try. 2 weeks ago I had to work on a friend's laptop and his internal drive was showing as removable and I had to do a registry edit to mark it as internal. Perhaps the reverse can also be done?

My internal SATA device appears in Devices and Printers and in the - Microsoft Community

Also, keep in mind that when 2 drives are connected to the same power cable, if you hot-swap one drive it may kill the power to the other drive that is supposed to be keep working.

By the way, you didn't mention why you want hot-swap. Do you have some other drives for backup? You can't hot swap the OS or raid drives anyway.

Hopefully someone more knowledgable with your board will come along and answer proper.
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When to use RAID, AHCI or IDE options in BIOS during windows installation?

A:When to use RAID, AHCI or IDE options in BIOS during windows installation?

More than likely you won't be using raid. Which of the other ones you use depends upon your hard drive type. You use AHCI for SATE and IDE for IDE. Have you tried google?
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Hi I am having difficulty updating BIOS for a Toshiba Tecra A - i laptop using latest update from the official toshiba european site after running the bios launcher version I get working not update A9-11i: AHCI Bios and Tecra problem the following message ' this computer is not supported quot The current installed bios version is date also if i may add a couple of further issues the function buttons tdon't appear to be working the led light for the 'FN' key lights Tecra A9-11i: Bios update problem and AHCI not working up when key is pressed so assume FN key works Tecra A9-11i: Bios update problem and AHCI not working but there's no response when pressing the ''FN' key and one of the f number keys - i installed the command module software as have been advised but this hasn't solved it I also having difficulty getting AHCi' mode to work in Windows XP Pro SP I have intel chipset m ICH M the Intel ICH M serial ata storage controller- shows in device manager- the matrix storage manager won't run so i copied the file iastor sys from the matrix manager folder into C Windows Driver system and edited the registry as read elsewhere on the forum but have had no joy any advice would be greatly appreciated many thanks

A:Tecra A9-11i: Bios update problem and AHCI not working

> I am having difficulty updating BIOS for a Toshiba Tecra A9 -11i laptop, (using latest update from the official toshiba european site); after running the bios launcher (version 3.2.8)
I get the following message ' this computer is not supported"? The current installed bios version is 1.5 , date 7/5/2007

This error message appears if you want to update a BIOS which is not compatible with your notebook model.
Toshiba European driver page provides the 2.10Win BIOS for this notebook model.
So you used definitely wrong BIOS.

> there's no response when pressing the ''FN' key and one of the f number keys
Common modules controls the FN buttons.
So the issue should be solved installing Common Modules v 6.06.00, Utilities 4.30.15
Note; You have to press FN + 1, 2, 3 etc? DON?T press FN + F1 etc?.

> I also having difficulty getting AHCi' mode to work in Windows XP Pro SP3; I have intel chipset 965m +ICH8M, the Intel ICH8M serial ata storage controller-2828 shows in device manager- the matrix storage manager won't run so i copied the file iastor.sys from the matrix manager folder into C:/Windows/Driver/system32 and edited the registry as read elsewhere on the forum but have had no joy.

Firstly be sure that AHCI is enabled in BIOS!!!
Furthermore the Intel Storage Manager controls the AHCI so you should slipstream the AHCI driver to the Win XP CD as described here:
or here
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Today I used the AMD CCC overdrive utility and found my processor clocked at 4 GHz from the standard 3.6 GHz...very unstable. I reset the BIOS to default and lost my SATA controller setting of AHCI. When I set the BIOS to AHCI windows crashes with "can't find device error".
The registry setting for msahci is still at the value zero.
The system was rock solid with a Samsung 840 EVO. Samsung Magician indicates it is unable to detect SATA interface details.
Gigabyte GA970A-D3
AMD FX4100 3.6 Ghz
8GB generic memory 1600  
Gigabyte 7750 graphics card
Win 7 home premium

A:BIOS reset to default so AHCI setting lost to IDE

First of all - welcome to BC !
The Gigabyte manual should be able to provide the info to solve this problem. If you don't have a copy you can download one (pdf) from here :-
I can usually fix BIOS problems, but I can't do it from memory, and I can't cycle through my own BIOS and use the web at the same time !
Chris Cosgrove
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After a Windows 7 update today my computer turns on, goes past the welcome screen, then shows up with an error reading "AHCI BIOS not installed" and something about clicking on CTRL+S to enter setup and then restarts. This keeps on going continuously until I shut it down. I've read suggestions on forums to run chkdsk but I can't get as far as the Advanced Boot Menu; I can get to the setup and regular boot menu and when I boot from my hard drive the computer restarts.

Any suggestions?

I partitioned my hard drive a week ago and installed Ubuntu on it. However, I think the error is due to my update today.

A:AHCI BIOS not installed & Continuous restart loop - Windows 7

AHCI is an advanced controller interface for sata drives and it
is usually a setting for the raid controller.
If you are not using it,might want to disable it in the bios setup.
If you are using it,I can try to find the registry hack that enables
it in windows without reinstalling,but you still need to see if you
can disable it and get into windows first.
Set it to sata or ide,whichever is available.
Not raid or ahci.
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Win - Home Premium SP mobo Gigabyte EX -UD R latest possible Firmware hard drives physical GB WD AAKS for C and D physical TB WD split into two partitions physical GB WD drive G for storage physical GB WD AAKS drive K for steam games physical TB WD green in an external dock Thermaltake BlacX soon Crucial M GB SSD I have a new GB SSD on order and I've two switching Problems drives to my AHCI; settings BIOS when of vanish been reading that I need to enable AHCI in the BIOS to get the most out of it - if not to get it to work at all my buddy said his wouldn't work until AHCI was enabled So I did the registry edit MS published that lets you enable AHCI on an existing windows installation Then I go to the BIOS and changed two settings to AHCI Here are the screens of my BIOS and what I see imgur the simple image sharer One entry is quot ICH SATA control mode quot and the other is quot Onboard SATA IDE control mode quot Both have options to change to AHCI I have no idea why there are two different ones or what either means I changed both I rebooted and the PC goes through an AHCI search function Problems when switching BIOS settings to AHCI; two of my drives vanish during the boot It gets to windows and windows goes through a lengthy process of installing drivers which seemed to be successful but the problem is that when I now go into Device Mgr I get errors on two of my ATA channels under quot IDE ATA ATAPI controllers quot -- I get Problems when switching BIOS settings to AHCI; two of my drives vanish exclamation points by two of the ATA channels And sure enough two of my physical drives have vanished from Windows Explorer -- always physical drives and drives G and K When I get the SSD is it best just to install Windows clean I'd prefer to clone my existing C to it but if I install clean - should that resolve the AHCI issue Or is there something I can do now to resolve it or should I just forget about AHCI and go back to IDE in the BIOS Thanks a bunch for reading this and for any help

A:Problems when switching BIOS settings to AHCI; two of my drives vanish

Are all of your drives SATA drives?

What happens if you change the "Onboard SATA/IDE Control Mode" only?
What happens is you change the "ICH SATA Control Mode" only?
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Hi all,

I installed the x64 version of Win 7. After that I changed the registery and then changed the SATA selection mode to AHCI (which was in IDE mode before) in BIOS.


1- One excessive icon has been appeared in bottom right-hand corner (as is in below image). When I click on it, a small window appears that says:

Open devices and printers
Eject ST500DM002-1BC142 ATA Device (this is my HDD!)
- ...(C)

I think it belongs to the HDD. How to get rid of it?

2- Should the settings of the BIOS (SATA selection mode) always be in AHCI and don't I need to return it to IDE even if I want to re-install the (x64 or x86) OS?

A:One excessive icon (Safely remove...) after changing the BIOS to AHCI

Isn't there any way!?
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Did anybody reading this find where to change AHCI to RAID in the BIOS of a Asus p8z77 v pro motherboard?

A:Solved: AHCI to RAID in the BIOS of an Asus p8z77 v pro motherboard.

Assuming that board supports RAID, it should be in the SATA controller options.
EDIT: User Manual, page 4-23
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Hi everyone,

I have a Dell Inspiron 530s. It has a 2.53Ghz Core 2 Duo, 3GB RAM, 320GB HDD.

The last two times I started up the computer, it started up MUCH SLOWER than before. It took forever to get through the Dell splash screen. It used to take 10 seconds to get through it, but now it takes more like three to five minutes. After I get past the flash screen, it flashed "AHCI BIOS not installed"

This is the first time I've seen it, and I haven't touched the inside of the computer or changed any settings. The only thing I've done is upgraded to Windows 7 Professional.

Does anyone know how to get this to go away? I hardly shut down my computer now so I can avoid the extremely long startup process.

Thanks in advance!


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So after I changed to SATA AHCI mode in the BIOS the main boot internal hard drive shows as a removable device in system tray So how do I fix this issue and I did follow the instructions in the Microsoft Knowledge Base article http support microsoft com kb to enable the sata driver first before I changed the BIOS setting However in the Vista on the same hard drive in the same removable shows SATA BIOS drive AHCI to in after mode the change computer after change to SATA AHCI mode in BIOS the drive shows removable with the same SATA AHCI fix done to enable the needed drivers the internal hard drive does not show in the system tray as removable So possibly if I install the Intel Matrix Storage Manager from their site for this ASUS P QL Pro motherboard with a Intel P express chip set known as ICH then after a re-boot it may no longer show as removable This computer is a store built desktop that has only one GB SATA hard drive installed I had it set in the IDE compatible mode so that I could mult-boot with XP Vista and Ubuntu Linux

A:after change to SATA AHCI mode in BIOS the drive shows removable

That's not an issue at all, and it's perfectly normal. AHCI offers, on some boards, hot swap capabilities. It's nothing to worry about.
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I have an issue with the SATA BIOS settings which have options for configure as IDE or set it to as AHCI So now I can only boot Vista when it is set to AHCI and only boot the XP when the BIOS SATA is set to configure as IDE and if not it gives a stop code error B And I did search for a ASUS P QL Pro motherboard BIOS update and I have the lattest version apparently AHCI BIOS Vista motherboard only can settings ASUS Solved: boot Also I did look in each one s Device Manager to check for driver updates such as for the serial ATA controllers So how can I boot both without changing the BIOS setting each time I dual boot with the Vista boot Solved: ASUS motherboard BIOS AHCI settings can only boot Vista manager and in my motherboard manual it does say quot Due to Intel chipset driver support regulation the AHCI mode is not supported in Windows XP environment and is only supported by Vista with OS built Solved: ASUS motherboard BIOS AHCI settings can only boot Vista in driver If I try to boot either XP or Vista without changing the SATA BIOS settings it gives stop code B nbsp

A:Solved: ASUS motherboard BIOS AHCI settings can only boot Vista

Fixed by changing the BIOS SATA configuration settings from that AHCI to IDE, enhanced. And then reinstalled Vista so that both XP and Vista use that same BIOS setting.
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I just changed my disk setup from SATA HDD Primary OS Disk x SATA HDD Backup Disks in RAID TO SATA SSD Primary OS Disk SATA HDD Backup Disk No RAID Windows Start RAID/AHCI at SATA BSOD setting BIOS Switching causes Everything worked great no problem So since I don't have a RAID array anymore I decided that I could change my BIOS setting to AHCI instead of RAID I have a Gigabyte GA-P -DS R v mobo These are my steps Settings gt Integrated Peripherals gt quot SATA RAID AHCI Mode quot RAID -- gt Changed this setting to AHCI Reboot Windows Start screen shows up but as the color orbs are spinning into focus BSOD and immediate restart Repeated reboot several times same outcome Next Switching BIOS SATA RAID/AHCI setting causes BSOD at Windows Start Step Launch BIOS settings Integrated Peripherals gt quot Onboard SATA IDE Ctrl Mode quot RAID -- gt Changed this setting to AHCI Reboot Windows Start screen shows up but as the color orbs are spinning into focus BSOD and immediate restart Repeated reboot several times same outcome Switch both settings back to RAID reboot and Windows starts up just fine no issues What am I missing Why can't I set it to AHCI mode without BSODs

A:Switching BIOS SATA RAID/AHCI setting causes BSOD at Windows Start

This is a hard one. As I'm sure you know, there should be no difference (to Windows) for RAID vs AHCI. It is normally the same driver, and the same registry setting.

So here is my WAG: maybe you need to have all 3 hard drives connected to break the RAID and change to AHCI.

Once completed, you would then remove the extra drive. Hopefully you have not formatted or changed that drive at all.
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Hello i own a vostro Notebook i GB GB msata nbsp and i replaced the HD by a Samsung Pro SSD Gb Both ssds have been formated - i did not want to use the Intel rapid storage start technology rapid only 3650 Vostro in storage bluescreen with bios intel works - option ahci under The problem now is the following When i nbsp install Win Vostro 3650 works only under intel rapid storage option in bios - bluescreen with ahci bit this nbsp only works in the quot Intel rapid storage quot mode bios-option If i Vostro 3650 works only under intel rapid storage option in bios - bluescreen with ahci try it with ata or ahci the instalation hangs up Vostro 3650 works only under intel rapid storage option in bios - bluescreen with ahci after the first reboot at that point the four windows- colours come together There appears no bluescreen - the system only stopps I tried to renew the bios or changed it to version and then back to V - but no sucess After i installed win in this mode I tried the regestry trick with the instead of the to load the ahci driver I renewed nbsp the ahci-Driver manualy and after that i played with the ata driver in the same way There always is the same result the system freezes while booting when the colours come together Now with nbsp a blue-screen - The system only works when in bios the irs-Option instead ahci is set Any ideas and sorry for my english - Regards Joachim
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I recently bought a computer in december last year Dell Intel R Xeon R CPU GHz GHz GB of RAM Running on Windows XP professional and with blue restarting devices No screen BIOS and AHCI not problems issues installed, found, an ASUS EAH silent GB graphics card and yes all drivers are installed and up No devices found, AHCI BIOS not installed, blue screen issues and problems restarting to date The problem i have is that when i turn my computer on it says no devices found and that AHCI BIOS is not installed and when i am on my computer mostly when playing games No devices found, AHCI BIOS not installed, blue screen issues and problems restarting my screen which is an Akura quot LCD TV DVD combi goes to blue screen and says no signal and any music that was playing becomes a loud repeated thumping like when a cd gets stuck The only option i have is to turn the computer off via the on off button by holding it in until it turns off After this my computer wont restart for - tries and instead when i press the on button a small lights up on the front and it makes a second buzzing noise repeated with a second inbetween and does not load up so i have to turn it off via the button Any ideas whats wrong and what does AHCI BIOS not installed actually mean nbsp

A:No devices found, AHCI BIOS not installed, blue screen issues and problems restarting

Do you have a single drive or multiple drives setup in a RAID configuration? The message you are seeing is fine (and normal) if you have no RAID. It usually will just pass it so quickly that you didn't notice it was there. How long have you let the pc set at that error message?
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I am using the latest extracted Intel Matrix and INF install drivers and no matter what I try Windows 7 Ultimate (x64) will not load the AHCI drivers during install. It will not even recognize the HDD if I enable AHCI in the BIOS.
I have to wait until after the install is finshed in IDE mode, then, apply the reg hacks and copy iastor.sys to the drivers folder, reboot into BIOS setup and enable AHCI mode for AHCI to load.
I've run out of ideas.

A:AHCI will not load during install

Have had similar problems...

ACHI driver issue W7x64

Am trying to find the time to reinstall, but there are a number of links and ideas already in the thread url above...
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Ok so have been searching google for a while and came across a few things but still doesnt answer my main question, so i bought a bunch of new hardware including a new mobo and ssd, now the problem im having is trying to decide whether to run IDE or ACHI as there are mixed responses as to whether it will work.

My current setup is 2 intel ssd's and 3 mech hdds with 1 optical drive, so will ahci work?

My board is a Gigabyte 990FXA-UD3 with 6 sata 3 ports, it does have marvell controller but that powers 2 esata so thats out of the question, but basically everything is going to be plugged into the gigabyte sata3 ports will this cause compatibility issues or run just fine?

Am going to fresh install win7 anyway as i need it installed on my new intel ssd but will install under IDE until i can get a definitive answer.

Thanks in advance.

A:SSD & HDD w/ AHCI Fresh Install

We deal with this every day here. Try in AHCI mode first as it confers a slight advantage and is more modern. If it fails then use IDE mode.
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So I switched over to the SATA setup via BIOS in attempt to improve my SSD performance. I knew I had to reinstall on the SSD but my I am not able to read or even format my second HDD that was also in AHCI. Is there any way to (would be awesome if) read, or at least format my drive so I can use it again? I tried disk management and other options within the OS and couldn't format.

it's an MSI 990xa gd-55 mobo. Which I am ashamed to even own because it sucks.
MSI USA ? Motherboard - 990XA-GD55

A:Is there any way to read an AHCI HDD from ATA install?

You could try booting with a recovery disc which should get you into an off-line mode where you might be able to use the "diskpart" command. Just be careful:
DiskPart Command-Line Options
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I have a Dell Studio 1555 laptop. I installed XP SP3 fresh from scratch, and I had to set AHCI to IDE in the BIOS in order for the install to complete. I finished the XP install and installed Dell drivers for video, wireless & LAN. When I go into BIOS again and re-enable AHCI, Windows does not boot up. I get a few lines that flash on the screen that I can't read and it reboots. If I turn AHCI back to IDE it boots up normally. How can I get AHCI turned back on after having installed XP?


A:Cannot re-enable AHCI after install of XP SP3

You cant if you want to stay with xp. to run windows xp correctly it has to be in the IDE mode. in most cases AHCI is used only for the vista and windows 7 operating systems. if you try to change it back and run xp it will blue screen on you or wont boot at all.unless a computers BIOS only has one setting and theres no other choices listed then and only then can you use the AHCI mode to run xp, vista or windows 7 equally well with no glitches.
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Hi Guys I am hoping someone can help I am having trouble installing the AHCI driver when doing a clean install of vista bit The trouble is that I can get to the point of installing the driver but when I click to the next step two Things happen is that I get a screen saying that the drive may not boot correctly and when it goes back the the screen that shows the hard drive that I was going to install to the drive is no longer present Infact not Driver can install with AHCI there are no drives to choose from I was wondering if anyone may have had the same problem or may know the answer Here are the specs ot the system that I am trying to install to M B Gigabyte GA P DQ H D S Seagate G B Sata x Video Gigbyte GTS I have tried drivers from the M B c d that comes with system and also the driver from the web site Thanks guys and I look forward to hearing from you Darren P S Due to the time difference here in OZ I might not be able can not install with AHCI Driver to reply to you straight away But I will when I get to view them Thanks Again nbsp
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I?m going to reinstall Windows 7 on an SSD (120 MB) I just bought. I know I need to set the bios to AHCI mode for the SSD. I also have a RAID (2 x 250 MB 7200rpm) array I would like to use for data storage. I was going to install windows with only the SSD connected and then connect the RAID array. My problem is I can only set the SATA ports on AHCI or RAID. What do I set the bios on to have both installed? The MB is an Asrock 760GM-GS3.

A:AHCI or RAID for new install?

RAID is the same as AHCI but with raid features.
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So after I did change to SATA AHCI mode in the BIOS, the main boot hard drive shows as a removable device in system tray. So how do I fix this issue, and I did follow the instructions in the Microsoft Knowledge Base article 922976, and is found right here;

A:after change to SATA AHCI mode in BIOS, the main boot hard drive shows as removable

There is nothing to fix, SATA drives are hot pluggable so that is all perfectly normal.
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I have an Asus P AD -E premium motherboard AHCI is available in the Bios but I did not need it when I installed WinXP install Enable after AHCI to Need WinXP Pro now I need it to run Need to Enable AHCI after WinXP install my external Sata backup drive I have followed many methods none of which work for me I have an Intel Southbridge ICH R chipset Itel FB I have downloaded and followed the instructions for the Reg files and have the correct Iastor sys in the System drivers folder etc when I reboot I am supposed to enter the Bios enable ACHI reboot and when Windows is trying to install new hardware I am supposed to stop it and run the Intel driver installer in my case iata enu exe I can't ever get Windows to reboot I am in a cycle that starts Windows then shuts down and restarts until I return the Bios to what is was Sata I was hoping someone had information that could help me solve this Thanks Jim

A:Need to Enable AHCI after WinXP install

usually you have to install the drivers at first install of the os but i think i have seen a thread around here were someone suggested to basically do a os repair and just add the ahci drivers, if i recall correctly.
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I have found on different boards if I install in AHCI mode Windows seems to quot find quot the drivers for running in AHCI RAID mode at install If I install in IDE mode it does not and I have no option to switch to AHCI RAID if needed In the past you had to press F or whatever and install them from a floppy I think this is no longer the case with Windows Can anyone confirm this I don't AHCI at Does have 7 Windows drivers install even have a floppy and never will I will install in AHCI so I have the choice in the future Is there any down side to doing this and am I right Also - I know there is a registry quot hack quot you can use to boot into AHCI after installing in IDE but why does everyone not install in Does Windows 7 have AHCI drivers at install AHCI so they have the choice Am I way off here Are you planning to install in AHCI to have this benefit

A:Does Windows 7 have AHCI drivers at install

Quote: Originally Posted by nate42nd

I have found on 4 different boards if I install in AHCI mode, Windows 7 seems to "find" the drivers for running in AHCI/RAID mode at install. If I install in IDE mode, it does not and I have no option to switch to AHCI/RAID if needed. In the past you had to press F6 (or whatever) and install them from a floppy. I think this is no longer the case with Windows 7. Can anyone confirm this. I don't even have a floppy and never will. I will install in AHCI so I have the choice in the future. Is there any down side to doing this and am I right?

Also - I know there is a registry "hack" you can use to boot into AHCI after installing in IDE but why does everyone not install in AHCI so they have the choice? Am I way off here? Are you planning to install in AHCI to have this benefit?

What you are asking in found in the BIOS settings. Read the manual supplied as to how they (manufacture) wants things done.
my MOBO allows (F6) also (F11) and (F12) - (F2) is master access to Bios.

I don't even have a floppy and never will.

then burn to a CD or DVD or USB. your choice. but some manufactures demand that you install there xxxxxx via floppy disc.
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Hi Guys I am hoping someone can help I am having trouble installing the AHCI driver when doing a clean install of vista bit The trouble is that I can get install vista Driver AHCI cant in to the point of installing the driver but when I click to the next step two Things happen is that I get a screen saying that the drive may not boot correctly and when it goes back the the cant install AHCI Driver in vista screen that shows the hard drive that I was going to install to the cant install AHCI Driver in vista drive is no longer present Infact there are no drives to choose from I was wondering if anyone may have had the same problem or may know the answer Here are the specs ot the system that I am trying to install to M B Gigabyte GA P DQ H D S Seagate G B Sata x Video Gigbyte GTS I have tried drivers from the M B c d that comes with system and also the driver from the web site Thanks guys and I look forward to hearing from you Darren nbsp

A:cant install AHCI Driver in vista

Advanced Host Controller Interface (AHCI) mode is a BIOS option in my computer for the SATA hard disk controller. It lets the OS use Native Command Queuing (NCQ/aka SATA mode) to reorder disk read or write requests to make the reading and writing more efficient, particularly if the disk is very busy.

My BIOS has options IDE, RAID, or AHCI mode. RAID includes all of the ACHI features and Intel recommend that you choose the RAID before you install an OS because changing it afterward can be painful (or "unsupported" if you have an Intel motherboard!).

The process in Vista seems to be less painful than in Windows XP because VISTA includes AHCI drivers by default. However, if AHCI mode was not enabled at the time you installed Vista then the new drivers will not be loaded, and if you change the BIOS setting then Windows doesn't boot.

Simple solution:

Start with IDE mode selected in the BIOS, and boot Windows Vista.
Exit all Windows-based programs.
Click Start, type regedit in the Start Search box, and then press ENTER.
If you receive the User Account Control dialog box, click Continue.
Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Msahci
In the right pane, right-click Start in the Name column, and then click Modify.
In the Value data box, type 0, and then click OK.
On the File menu, click Exit to close Registry Editor.
Reboot, and change to AHCI mode in the BIOS. Windows will detect some changed hardware (anything connected to a SATA port).
For good measure I downloaded and (re)installed the chipset drivers for my motherboard. I have an my motherboard uses an Intel G33 chipset and I wasn't sure if I needed to install the Intel Matrix Storage Manager, but when I tried it told me that I already had a more recent version of the software installed. I guess part of the chipset driver package overlaps with the Storage Manager software
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i am asking the question for a friend he has only GB hard disk space left so he choose install windows xp not windows seven Opera System Windows Experience Service Pack Mother Board MSI South Bridge Z he followed tutorial to do http forums pcper com showthread php t Only changed the registry Windows Registry Editor Version HKEY LOCAL MACHINE SYSTEM ControlSet Control Cr iticalDeviceDatabase to xp? install in Intel windows AHCI how PCI VEN amp how to install Intel AHCI in windows xp? DEV C amp CC quot Service quot quot iaStor quot quot ClassGUID quot quot D E A-E - CE-BFC - BE quot HKEY LOCAL MACHINE SYSTEM CurrentControlSet Servic es iaStor quot Type quot dword quot Start quot dword quot Group quot quot SCSI miniport quot how to install Intel AHCI in windows xp? quot ErrorControl quot dword quot ImagePath quot quot system drivers iaStor sys quot quot tag quot dword quot DisplayName quot quot Intel AHCI how to install Intel AHCI in windows xp? Controller quot HKEY LOCAL MACHINE SYSTEM CurrentControlSet Servic es iaStor Parameters quot queuePriorityEnable quot dword HKEY LOCAL MACHINE SYSTEM CurrentControlSet Servic es iaStor Enum quot quot quot PCI VEN amp DEV C amp CC amp SUBSYS B amp REV amp c b c amp amp FA quot quot Count quot dword quot NextInstance quot dword i help him edited this registry after enable Intel AHCI in UEFI it give him BLUE SCREEN i not sure he is using EFI or UEFI so please tell me what is wrong nbsp
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I have the GA-EX58-Extreme Board and have just installed the pre release of Win7 7600 64 bit. Normally i have experience to get the BSOD when in staling with AHCI active in bios so i change to IDE mode. Installation went flawless and also the change to AHCI mode on Intel ICH10R controler went normal. As always i got problem to change the J micron controller to AHCI and of cause i got the BSOD again. I installed the latest R1.17.48.16 driver and tryed again but no luck. Can some tell me what i am doing wrong. ? I have a hardisk and a dvd drive attached to the J micron Sata connection.

A:Intel Sata controler ICH10R AHCI + Jmicron AHCI error

You may not be doing anything wrong...or at least, you're doing the same wrong thing that I am. I've never been able to get that jMicron deleted to work in AHCI mode.

So, I hang the optical drive and the port for the e-SATA connection to the external backup drive off it and run it in IDE mode.
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Hello people.
I've just discovered that my BIOS is version A00 that's probably been there since manufacture and would like to update it. The download of the last/latest version would appear to be A11, with the caveat being thus:
Product not tested for Windows 10 upgrade
Dell is not testing or developing Windows 10 drivers for this product. If you choose to upgrade, some features, applications, and connected devices may not work as expected.
As i did upgrade to Windows 10 a while back i'm concerned that this may not work and potentially wreck the laptop.
Has anyone tried this? or will it work?
Many thanks for your assistance.
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I'd like to be able to install just the driver and do it during the installation of Windows rather than after which would just mean upgrading from the default microsoft driver. I can't find the download on Intel's site for just the driver without the whole RST package and I also need information on exactly how to do the install during the Windows installation.

Sorry for my noobness and thanks in advance for any help and information anyone can provide.

A:Installing Intel AHCI driver during a Win 7 64 bit install

What's your motherboard make and model?
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Is there anyone able to help me with changing the SATA Controller mode from RAID to AHCI (in BIOS) after install without having to re-install Windows 8?

I am suspecting Intel RAID controller to be causing some problems with system stability and would like to move to software RAID (storage space) in Windows 8 and give it a try.  When I change the BIOS settings from RAID to AHCI in the SATA controller
mode, Windows 8 wont boot and running a system repair will not do neither.

I found this KB, but it is for Windows 7 and wont run on Windows 8? Anything similar for Windows 8?

A bit of details about the system:

System: Windows 8 pro 64
Primary HD (OS Only + bitlocker): Intel SSD 520 ? 240 Gb
Data HD (user files +bit locker): 2x WD RED 2T running in RAID 1
Motherboard RAID Controller: Intel DP55WB -  latest BIOS and Intel RST 11.6?.1030 driver

Thank you.

A:Changing from RAID to AHCI after windows 8 install

In Win8, the key MSAHCI is renamed to StorAHCI. Look at this key and set the value there."A programmer is just a tool which converts caffeine into code"
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Hi I bought my laptop last year and it came new on on a SSD HP install my Mode ENV... Problem AHCI enabling with these stats Operating System Windows Processor Intel Core i - U with Intel Problem enabling AHCI Mode on a new SSD install on my HP ENV... HD Graphics GHz MB cache cores Processor family Intel Problem enabling AHCI Mode on a new SSD install on my HP ENV... Core i processorMemory GB DDR L- SDRAM x GB Storage TB rpm SATA nbsp I upgraded to Windows straight away Now I realised Problem enabling AHCI Mode on a new SSD install on my HP ENV... the only thing holding my system back was the HDD Last week I bought the Samsung EVO GB It's great but I have one problem Before replacing the hard drive with the SSD in device manager it came up IDE ATA ATAPI gt Standard SATA AHCI Controller Now after doing a clean install of windows it comes up nbsp IDE ATA ATAPI gt Intel R Series Chipset Family SATA AHCI Controller When I open the magician software it comes up in red writing AHCI Mode Deactivated IDE OR RAID and it also says SATA Interface N A beside it See attachment My problem now is I have no idea how to enable AHCI mode and there is no option to do it in the BIOS How do I stop this problem from coming up in Magician I can find no option anywhere to enable AHCI mode Also can someone explain the difference in the two different things under IDE ATA ATAPI in Device Manager Thanks in advance
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I reformatted the HDD on my pre-built Acer Predator G5900 (think that was the model). I had to download the Realtek Lan drivers from the Acer site to get internet access. On the site were two other drivers which I haven't yet installed and am not sure if I need:


I've been running Win7 without these drivers for a couple of weeks now, but I do feel that performance is slightly lower than it was before, though I could be imagining it. Are these safe to install like any other driver (gfx drivers for example), and would they have any benefit?


A:Install Intel AHCI & Chipset drivers?

when u reload windows you always load the drivers from the mfr......... in your case u would load the chipset drivers (your version of win' 7 32 or 64 bit???) then reboot....... then u would load lan,sound and onboard vga drivers .......... reboot between each
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TLDR I'm unable to install an OS without setting drives to IDE and not AHCI and I cannot successfully change it to AHCI retrospectively Hi I've been struggling for days with getting a stable installation of Win Pro bit or Windows Pro Version N bit working on an OCZ Arc gb Backstory I AHCI Unable install to 8.1 with N Windows 64bit help!! Pro bought a new SSD an OCZ Arc GB to replace an existing Plextor GB I Unable to install Windows 8.1 Pro N 64bit with AHCI help!! had had a Windows Pro install running solidly with no problems for a couple of years note though it was not a UEFI setup With the new SSD I tried for days to clone and then create from scratch a new Windows UEFI install but failed constantly and all of the information I found seemed to suggest it was all around a secure boot problem I spoke to OCZ and they asked me to RMA the drive I then got a replacement I then decided to bite the bullet and invest in Windows in the vain hope it would relieve the issue however it turned out to be just as bad and really it was an AHCI problem all along In both the Win and Win installs I had been setting CSM to UEFI Only Secure Boot to UEFI only disabling fast boot but without any success it was only when SATA was set to IDE I could finally complete an install this time on Windows However later setting it back to AHCI would then stop it booting I read various guides on how to change it and switch it to AHCI but everytime I tried to start again it would not start up I concluded there must be some kind of storage driver issue however there doesn't appear to be any SATA AHCI specific drivers for my mobo on the Asus site for so are presumably inlcluded however I even tried similar mobo R Evo and R LE and chipsets and presenting the drivers during install but that came to nothing Getting thoroughly sick of it all I settled for having IDE only and successfully did a clean install of and went about installing all my stuff happy days at last a working PC I would say though that it didn't seem the most stable OS install ever as occasionally it would freeze on the logon screen or freeze randomly during use sometimes it would come alive again and sometimes not That was yesterday but for the majority of the time it was good Current situation Today in the hope of finding an answer to the stability issues I was going through the usual series of driver updates and I updated the Asus bios from to this morning and that set my sata to AHCI I spotted it and set it back however it now won't boot at all and gives me an xc error I've now been round the houses again repairs and recovery disks messing with EFI settings and boot managers like this Qlik Tips Fix a Windows boot issue but nothing seems to work I am sadly resigned to likely having to start again however if I do that I will need to fix this AHCI IDE boot issue once and for all as it's clearly been a problem in all my attempts If I could get into the current OS first it would be a bonus as then I could copy out every download I'd just made to reinstall everything would save me time when I presumably have to rebuild Tech Specs Asus M A R mobo OCZ Arc gb Corsair XMS GB x AMD FX XFX HD X-Fi SB Seagate GB SATA Hitachi GB SATA I've genuinely put days and days into this now I just want it to end and go back to using a PC like normal can anyone help Thanks Mat

A:Unable to install Windows 8.1 Pro N 64bit with AHCI help!!

just to add to this I can currently get in via Macrium Reflect Free so it's all still there. If anyone can direct me as to what might help in getting my files out that would be good. This software can't do it but I imagine there are others that can. If my drives are squiffy as well then let me know. I tried the fix boot problems option in here but when it reboots I still get the 0xc0000034 error.

During other investigations today I have learnt that my XFX HD7850 card is not UEFI compatible so that may be something causing a problem too.
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I installed an Akasa sata front panel Akasa PC Front Panel with SATA Data Power to Gsata only device all other drives on sata connectors including boot drive In the bios Gsata was set for IDE mode I plugged a sata drive into the sata front panel started the machine and all is well the drive is fully functional I would like to be able to hot swap to the Akasa so I changed the Gsata setting in the bios to AHCI and restarted but it seems to still be running in IDE mode Dev Mgr shows ' port Serial ATA storage mode AHCI Install 64 After Vista Verifying controller - A ' Questions How do I verify AHCI mode for the drive plugged into the sata front panel If it is still running in IDE mode how can I force AHCI Is it advantageous to 'force' AHCI for the drives including boot on the other controller sata and would stability issues arise Relevant Specs Vista Ultimate GA-EP N-UD Verifying AHCI mode After Vista 64 Install R mainboard P Q sata controller Seagate sata HDs DVD Gsata controller Akasa Front Panel with sata drive plugged in Thanks James

A:Verifying AHCI mode After Vista 64 Install

An update to the issue:

After doing a little more research, I found this link:

Error message when you start a Windows Vista-based computer after you change the SATA mode of the boot drive&#58; &#34;STOP 0x0000007B INACCESSABLE_BOOT_DEVICE&#34;

It relates to enabling AHCI after Vista is already installed. No need to go through the process for XP, as is demonstrated here:

HOWTO: enable AHCI mode after installing Windows - PC Perspective Forums (for XP, not Vista)

All one needs do in Vista (and only if enabling AHCI for the system drive) is one registry change.

At any rate, I decided to try plugging a sata drive into the Akasa front port with the system running and, lo and behold, auto-play popped right up and offered its options. I opened an explorer window and could see and manipulate the contents of the drive.

So, if anyone wishes to enable AHCI after a Vista install, it's quite simple. Just do it. But remember, if you enable AHCI for the boot drive, you must edit the registry (as in the 1st link) to tell Vista to load the AHCI driver (Msahci.sys) **before** you enable it in the bios.

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I ve been having 9100 of 7/3/2014 update Studio XPS BIOS ongoing stability problems with my Studio XPS Windows Based on information for my system Service Tag lt ADMIN NOTE Service tag removed as per privacy policy gt found on the following page http www dell com support home us en Drivers DriversDetails driverId YDK amp fileId amp osCode W amp productCode studio-xps- amp languageCode EN amp categoryId BIthe BIOS ver A were updated on July and it is quot recommended quot to update them nbsp I downloaded File S -A exe and did the checksum verification all successful HOWEVER after successfully flashing the BIOS or so it seems Windows System Information shows the following BIOS Version Date Dell Computer Corporation A Reviewing the contents of the RAR compressed files reveal that they are exactly the same as the ones I Studio XPS 9100 BIOS update of 7/3/2014 downloaded in Feb with most files dated This is confusing conflicting with the stated information on the page Studio XPS 9100 BIOS update of 7/3/2014 and Studio XPS 9100 BIOS update of 7/3/2014 overall disappointing Does anyone know whether there was an actual update to the BIOS on and if so where the updated file can be found Thank you JF

A:Studio XPS 9100 BIOS update of 7/3/2014

Hi JF,
Did you scroll down to see this part:
Systems: Dell Studio XPS 9100Version: A04Build Date: 10/21/2010
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Here is what I sent through to Dell ------------------------------------------------------------------------------ Description of problem Earlier this week I tried to update the bios of my laptop by downloading the program from the Dell website The flashing program had almost finished when Windows froze entirely I Studio XPS problem BIOS Dell 1645 left the computer for minutes but with still no response I was forced to unplug the Dell Studio XPS 1645 BIOS problem AC and battery Since then the laptop does not respond at all to any input power button AC input etc Description of any troubleshooting steps you have taken I looked online and found this article http forum notebookreview com dell-xps-studio-xps -bricked-xps- -help htmlwhere the second post has instructions for fixing this sort of thing I followed them Dell Studio XPS 1645 BIOS problem but it does not look to have helped I got the BIOS file by running the BIOS program from the Dell website and finding the temporary location it extracted the BIOS WPH file and putting it on the USB To get the laptop Dell Studio XPS 1645 BIOS problem to power on into BIOS recovery mode with the side LEDs turned orange I had to hold down the end key and then release it at the same time as pressing the power button I did this with only AC power I tried the process with USB drives - one of them had an LED access light which flashed for about seconds total once I had pressed the end key power button combo but then no further access I then left the laptop for sometime more than minutes and powered it off and tried to boot it with no luck I then tried a different USB key that does not have an access LED and after about minutes the laptop turned itself off Taking this as a good sign I removed the USB and tried to power the laptop on but again I had no luck I tried many combinations of waiting and powering on and off as well as different BIOS files named as BIOS WPH or BIOS WPH etc but all with no success It seems that the first USB was not working as if I go into the BIOS recovery mode with no USBs it will just sit there indefinitely just like it does when the first USB is plugged in It is only with the second USB it turns off after about minutes ------------------------------------------------------------------------------ Dell have replied and said quot Your motherboard is broken pay us and we ll put a new one in the laptop quot Obviously I do not want to pay this sort of money and I was hoping someone else might have some knowledge about this - it seems so close to working nbsp

A:Dell Studio XPS 1645 BIOS problem

95% of the time when the BIOS flash does not 'flash' your motherboard is fried. Sorry, but Dell is probably correct about this problem.
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computer Bill belongs to me
I accidentally ran this part of
Turkey not enought support
please help how can i disable?

A:Dell Studio Computrace bios enable?How can I fix it ?

You can turn it off in BIOS setup (f2 at powerup).