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If my RAM is DDR2, will any DDR2 work?

Q: If my RAM is DDR2, will any DDR2 work?

My current ram is DDR2 so will any DDR2 work?

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Preferred Solution: If my RAM is DDR2, will any DDR2 work?

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A: If my RAM is DDR2, will any DDR2 work?

Its best to match the speed at which you know your motherboard will operate.

Which motherboard (computer model number would suffice) do you have?
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Hi all,

I have Intel's D-915 processor, D102GCC2 Mob, 512 MB 533 Mhz DDR2 (UMAX)

I want to put another 1GB of DDR2 RAM in other slot. Can both work together well.

Also if I will go for 1Gb 667Mhz DDR2.. then ? Any problem..

Plz Suggest..


A:can a 533MHz DDR2 RAM and 800 Mhz DDR2 RAM work together ?

If your motherboard is limited to 533 mhz then a 667mhz memory stick will be automatically underclocked to 533mhz, defeating the object of buying the faster ram. As for if 2 sticks of 512mb and 1gb work together side by side, I've never tried it but suspect it would work. If you get any problems, make sure you put the 1gb stick into the 1st memory slot (the slot your 512Mb stick is in at the moment) and put your old 512mb stick into the second slot. I remember reading that the CPU is happier running a bigger memory stick in the 1st slot. It may be an old wives talke, but its worth trying if you get problems.
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Is this considered value RAM? I bought 2gigs of it for $50, installed it and it is defaulting to DDR-667. Seemed like a steal at the time

I had to manually go into BIOS and up the voltage and increase the clock - It is now at DDR-800
And while were at it, advertises this
as SLI ready, but I do NOT see where you would hook up the SLI cable. Anybody?
Just a few kinks with the new build

A:Kingston HyperX 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel De

From the newegg comments:

I feel as like I should clear up the confusion about this memory. This ram is programed to default to DDR2-667 at 1.8volts instead of the DDR2-800 at 2volts. This is because most motherboards default to 1.8v, and it would suck if you were trying to build a new computer and you couldn't boot because your memory only ran at 2v. That's why kingston made it so you can run it at 1.8v(although at a slower speed) and change it to 2v later. YOU NEED TO MANUALLY SET THE VOLTAGE TO 2VOLTS AND SPEED TO DDR2 800 @ 4-4-4-12 IN THE BIOS. If you don't do this then you are wasting good memory. If you don't believe me then read the data sheet here: to expand...

So that makes sense...

Also I think your 2nd link is the same as your first
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...can it be replaced with PC2 5300 DDR2 CL5 DDR2 SODIMM. Will my computer explode if I use it? It's a IBM Lenovo 3000, 1.5ghz, w/Intel Celeron M. Thank you

A:My system uses PC2 4200 DDR2 CL4 NP DDR2 SODIMM

Go here and on the right,.. click Scan My System
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A friend of mine is upgrading his computer. He has an XFX 680i lt sli motherboard. What is better in RAM: 2gb at 800mhz or 4gb at 667mhz? He has XP. Also, should he get ECC ram, buffered ram, or normal ram? He wants to play games such as WoW, DIablo II, and maybe Crysis.

A:Ram question: ddr2 4gb at 667mhz or ddr2 2gb at 800mhz?

Four. You definitely notice a 100% difference in amount over 25% in memory speed - which isn't really noticeable anyway.

That mainboard uses normal DDR2 memory.
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Im throwing together a machine for my GF.. I have a processor but need to get a socket 478 mobo.. The one I was looking at uses DDR2-400 memory and I have some DDR2-800 memory sticks laying around..

Will it work ok to use the DDR2-800 sticks on a mobo that accepts DDR2-400 memory?

A:Ok to put DDR2-800 memory on a DDR2-400 mobo?

"Typically" you can run faster memory in a machine rated for slower memory - the memory simply runs ate the mobo spec. That said, memory issues are always subjective to the varying tolerances of the memory itself and the motherboard.

I just combined 333 and 266 rated memory in a laptop that's spec'd at 266 - it flies with no issues.

I think you'll have no problems.

Just make double-sure that all the other specs are identical such as voltage, both unbuffered, both unregistered, same latency/speed specs e.g. 2-5-5-5, hopefully both with or both without SPD (or maybe all memory come with an SPD these days?).

Try to run it with the memory, it won't cause any damage. If you start getting errors/crashes, you know it doesn't work.
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i have an old laptop which has 4 gigs DDR2 using 2 channels, is there any adapter or linker which would allow me to connect my laptop memory to my desktop sized slot

A:DDR2 Laptop to Desktop DDR2

Yes. See Adapter / Tester : Laptop DDR2 200 pin SODIMM RAM to desktop DDR2 240 pin DIMM RAM: Computers & Accessories
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I'm looking to upgrade replace my current 2x2GB DDR2-667 modules with 2x2GB DDR2-1066 modules in a couple days but I'm wondering if I really need that!

I mainly write software and run linux on virtualbox on that particular machine and so far everything works really well but I'm looking forward to game a little on it as well, after a video card upgrade of course!

So, would I get like a reasonable performance increase with those ddr2-1066 modules or should I just forget about them and keep my current setup?

A:DDR2-667 to DDR2-1066 performance?

Does your motherboard support the DDR2-1066?
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are they interchangeable?

if my board has DDR2, can i use the ddr2 dual channel?

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I just purchased 4GB G.Skill DDR2 1066 MHZ RAM and installed it into my motherboard (Gigabyte GA-MA78GM-S2H). I have tried fixing the problem by readjusting the vdimm voltage to 2.1 volts after reading on the G.Skill website that 2.1v is compatible with most motherboards. After doing so, I tried to change the settings in my BIOS to manual so i could reconfigure the RAM to a 1066 mhz option but the max still only shows as 800. Please help me out if you know any way i can change the frequency to the 1066 mhz my ram is actually supposed to be .

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I have a 1GB stick of pc4200 (533mhz) ram in my comp at the moment, which is an AMD dual core w/ a 2000mhz MT FSB, in an AMD M2N4-SLI motherboard. Im wondering whether it would be better to start off by buying pc6400 (800mhz) RAM or sticking with what i have, the question is would 4 sticks of RAM running at 533mhz which adds up to 2132mhz total (533mhz x 4sticks) be the same as 4x sticks of pc6400 since the FSB would handle them running the same speed (3200mhz total, much greater than the fastest the FSB can run which is 2000) is having the more powerful ram better if i have so much that the FSB cant handle the speed? Im not really knowledgable in this field so i thought id ask the pros.

heres a link to the motherboard:

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Why is it that my cpu can only read 2gb?do i need to overclock/underclock the other ram?

A:Mixing ram 1gb ddr2 667 and 2gb ddr2 800

Since you did provide computer specs, I assume 1GB is allocated to onboard video memory.
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Hi I am new here long time reader and follower This is 667 Confusion and for DDR2 WEI - 800 DDR2 Same my WEI Same for DDR2 800 and DDR2 667 - Confusion first post and you lot seem mighty helpful I just installed Win RTM x - I had GB DDR RAM as follows GB DDR GB WEI Same for DDR2 800 and DDR2 667 - Confusion DDR GB DDR GB DDR My WEI was for RAM My chipset is INTEL DG WH - latest BIOS Drivers Etc My board supports dual channel DDR RAM upto and has DIMM I purchased x GB DDR and removed the - totaling up to GB GB DDR GB DDR GB DDR GB DDR And guess what my WEI is still for RAM I read my mobo manual and it said that RAM must match in speed and size So I tried as follows Channel GB DDR Channel Empty Channel GB DDR Channel Empty and Channel GB DDR Channel GB DDR Channel Empty Channel Empty My WEI still reads as - My memory timing according to everest is - - - I set the speed to manual is BIOS but am now confused as to why it is still reading as when many users are reporting 's with GB DDR At least it should improve over - please help

A:WEI Same for DDR2 800 and DDR2 667 - Confusion

Did you re-run the assessment?
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Hi all

I am building my new computer soon and i am juggling between going with 4GB of DDR2-1066 ram or DDR2-800.

My question is this. Is DDR2-1066 worth paying extra for? How much of a performance gain is there?

Either way, i will be going with 4GB of Corsair XMS2 memory.

Thanks, Nissanman

A:DDR2-800 vs DDR2-1066

Actually selecting between 800 and 1066 RAM in the same brand doesn't present to terrible price penalty.

For 5 bucks more I'd go with the DDR2 1066. That's whether I could tell the difference or not.

Truth is, DDR2 10666 generally runs @ 2.0 volts or better, if you set the BIOS @ 1.8 (the generic DDR2 voltage), it's liable to default to 800Mhz anyway.
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I just realized I have some extra ram laying around. Here is the question. I was wondering if [email protected] with my AMD 9950 Black Edition OC'ed to 3ghz would be better than [email protected] with my CPU stock at 2.6ghz. I play things like WoW and Battlefield: Bad Company 2. Mostly new stuff.

A:4gb DDR2 1066 or 8gb DDR2 800

Definitely better off with just 4Gb, and having your CPU OCed than to have 8Gb, and running stock.

The difference probably is minimal anyway.

This is a different scenario if you do alot of photoshopping or RAM intensive stuff, those games won't take up gobs of RAM.
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I have had a DDR2-533 512mb stick for a while and its been using up the first slot for quite a while. I just got 2 DDR2-800 1gb sticks for a gift and was wondering if i should rearrange them in the slots or what? I have 4 slots, 2 orange and 2 green. Any help would be great.

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Hi I just bought seperate parts for my computer from newegg and I realized that when i changed my board, i forgot to make the ram match! I have ddr2 533 memory but my mobo supports ddr2 800, could the 533s still work?

A:DDR2 533 fit in a DDR2 800 slot?

Yes, they are physically the same but you may decrease the performance depending on what processor you have.
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yep as the title says, can ddr2 rams wif different mhz (eg. 667mhz and 800mhz) work on the same motherbaord simultaneously? thanks for the reply ^__^

A:Can ddr2 ram wif different mhz work on the same motherboard?


If it does it all the RAM will run at the speed of the slowest. We just had a big discussion about this here:

Post in that thread if you still have concerns after reading it. I'm going to close this to reduce (well prevent) crosstalk.
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Will SDRAM work on a DDR2 Plug?

A:Will SDRAM work on a DDR2 Plug?

In a word no. Both use different dimm slots and are not compatible with each other.

Regards Howard
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Will DDR 400 RAM work in a DDR2 800 standard motherboard?
Just curious if those new DD2 motherboard are backwards compatible for that older type of memory.


A:Will DDR 400 RAM work in a DDR2 800 standard motherboard?

Welcome to Techspot!

It won't work @ all, because DDR400 RAM has 184 pins, and DDR2 RAM has 240 pins, and uses less voltage than DDR.

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I had to put my DDR3 memory in for warranty due to errors and I don't have memory for my main PC and I am just wondering my old PC has DDR2 memory and I was just wondering if the would work in my Gigabyte X58A-UD3R board which has DDR3 slots?

Also I was wondering can Windows 7 64bit run will less than 4GB of memory (2GB to be exact)? Because I know that if you have over 4GB of memory u need 64bit to enable all of it, but with less will it work?

A:Solved: DDR2 work in DDR3 slots?

I don't think you can because DDR2 and DDR3 uses different slow configuration. I think ddr2 has the little cut out in the middle and ddr3 has it slight forward but i'm not totally sure
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hi, im looking to buy a new grpahics card for my comp. i was wondering will a nvidia ddr2 graphics card work on a motherboard that only hold ddr1 ram

thank you in advance,

A:DDR2 graphics card on ddr motherboard will it work?

Yep. Graphics RAM has absolutely nothing to do with System RAM.
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I'm thinking of upgrading my computer's memory and video card.
My motherboard is ASUS A7V8X-X and I have 512 DDR RAM. The motherboard doesn't support DDR2 RAM (I'm buying 2x512 MB DDR), but the video card I want to buy (ATi Radeon X1550) has 256MB DDR2. Will this be a problem because it is DDR2? Does it matter what processor (AMD Athlon 64 XP 2400+) I have?
Pls answer, before I waste money -_-
Thank you!

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Ok so, I fried my motherboard a while back and am just now getting an Abit barebone kit with a brand new motherboard and was wondering whether my DDR RDIMM will work in the new DDR2 RIMM memory expansion slots?
Abit Barbone Kit tech Info:

Diablo Black and Silver ATX Mid-Tower Case with 400 Watt Power Supply
Abit LG-95Z Intel Socket 775 MicroATX Motherboard
Intel Celeron D 360 3.46GHz OEM Processor

Here is a link to the barebone kit at

A:will DDR DRIMM work in DDR2 DIMM expansion slot?

No. You need ddr2 memory.
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OK... I know this has come up a lot, but I can't seem to find what the answer I am looking for.
I am trying to figure out if my motherboard: MSI K8N Neo2 Platinum MS-7025 Motherboard Link for motherboard
Can run this graphics card:

I have searched in Google, and asked my friends and they could not tell me.
Please and Thank You

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I have been working with apacer ddr2 800 mhz for awhile without any problems. I just wanted to have something faster so i bought a 4GB kit consisting of 2x 2GB corsair dominator that are suppost to work at 1066mhz at 5-6-6-18. But when i try setting it in bios to 1066 it shows me 1067.If i try that speed my latency jumps above the posted spec to 5-7-7-23. Are there any suggestions to what i should do?

A:Corsair ddr2 dominator 1066mhz won't work at the posted specs on my asus m3a79-t

what happens if you set the timings to auto? it all depends on the motherboard really... and since you were using ddr2 800 before, i would set the timings to auto and see what each module reads using CPU-Z. also, have you tried just setting it to 1065... just for kicks?
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I have 2 gigs pc3200 ddr 400 on my mobo and I'm looking to up grade my ATI 9550 256mb AGP card, which has DDR mem.

My question is will an AGP card with DDR2 memory be compatable with the DDR on my mobo?

If not what AGP card would be a better upgrade?

A:DDR and DDR2

No problem. Memory on a video card does not have to match your MB memory.
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I was wondering if i get a new motherboard with ddr2 slots, could i still use my DDR ram in there because i have about 2.5 gigs of it and i dont wanna get DDR 2 chips, and i ndesperately need a new motherabord. any suggestions as to what board i could get, i need one with a good sound attachment, sata, . right now i have a gateway 702ge system and im looking for something similar with a little more pep to its step.

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is it advisable to combine ddr with ddr2? what's the difference between the two? thanks

A:ddr and ddr2?

NO. and you can't. Please bother to read the FAQs and the guides regarding ram.
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What does the following mean:

Cas Latency

and what areas will make it more faster (example will Cas Latency 4 be faster then Cas Lantency 3; ECC vs Non-ECC)? Is higher the voltage better?


A:Ddr2 Ram

You'll want to match RAM voltage to your MOBO, 184pin 1.7v for example.
Lower Cas letency is faster, you can find 2, 2.5 and 3 usually, but the lower the latency the less stable the RAM is. Usually if you find a 3 it is Buffered and/or ECC for stablity.
ECC is error correcting code, it detects when your RAM has errors, which is nice, and can even fix single bit errors. Usually ECC is used in servers and isn't of HUGE importance in most home PCs, registered RAM is recommended if you plan on breaking the gigbyte barrier with ram though.
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What would be better from these two??


one of them is DDR and the other DDR2.....and how come the DDR2 is cheaper???

Thanks for your help!

PS: can i use a SATA drive drive to boot up a computer? or does it have to be IDE?

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i currently have installed ddr2 ram 533 mhz ,i now want to install a ddr2 ram 667 mhz can i operate both of them together?

A:different fsb of ddr2 ram

Hello and welcome to Techspot.

It`s not considered to be a good idea to mix ram speeds, as it can cause stability issues on some systems. However, there`s nothing to stop you from trying. Please be aware that the faster ram will automatically be downclocked to the speed of the slower ram.

Regards Howard :wave: :wave:
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hi guys i have just been given a nvidia 8500gt 512mb videocard.the specs say it is a ddr2 pc has ddr1 ram.will it work with my pc?.p.s.sorry about lack of info .xp sp2.


Memory on the video card has nothing to do with memory on the computer.

Please be aware that the 8500 is not a gaming card... unless the games were made before 2004.
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Is there a motherboard that is DDR2 800 compatible and has SLI capabilities???

i have a stick of corsair DDR2 800 and wanted to get an SLI Mobo, if there is no SLI + DDR2 800, should i just go with a Mobo that has DDR2 and forget the SLI or vice versa...this is a gaming PC so i wanted to get the most performance i can get. thanks
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which one should i go for with my P5Q pro mobo + E8400

OCZ Reaper 2x2GB 1066 MHz
G.Skill 2x2GB 1000 MHz PQ or
Kingston Hyperx 1066 MHz

with these can i run [email protected]

A:Which DDR2 Ram

I think its much of a muchness but heres the qualified vendors list from Asus P5Q-PRO-QVL.pdf

anything not on that list may give issues and need manual setting for timings and voltages but may also give no problem if you carefully match them to the motherboard
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First off I'd like to thank loserOlimbs for his help in my last issue.

OK, it's just a quick question. I have 1 gig of dual channel(512x2) DDRII 667 and I was wondering if it is OK to put it in a DDRII 533 motherboard?

I'm at work, so I don't know when I can respond. Thanks.

A:DDR2 667 to 533?

Yes, it's okay.
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I see 240-pin and 276-pin DDR2 memory available from various sellers.

From what I see, I am guessing all 276-pin memory is ECC. Is that correct?

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Q: Ddr2

I have 2x2 Gb DDR2 memory, but I would like to have a total of 8Gb, is it possible?


Hello Stefi,

Yes, it sure is. Looking at your Asus P5QLD PRO motherboard specs at the link below, you could just add another set of 2x2 GB DDR2 RAM modules of the same MHz timing to have a total of 8 GB.

Motherboards - P5QLD PRO

If you are not sure of what your RAM timings are, then the free program Speccy can help show what they are.
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I'm pondering upgrading to a Socket 939 MB that supports my older DDR Ram.

I'm curious if I should just hold out and save up for a MB that supports DDR2 ?

I'm not a gamer but I do ALOT of multi-tasking and surfing.

Would DDR2 really help my application ?

A:How much better is DDR2 over DDR ??

Anybody ??
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Will my DDR2 533 work with this MOBO? I ask because I know AM2 has some issues with compatibility.
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what exactly is the difference between ddr and ddr2?

is it that ddr2 has 2x the bandwith?

and which one is better/faster?

A:ddr vs ddr2?

Hi. Here is something to read that will explain it better than I can.
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I'm buying 1 GB of RAM, and my motherboars supports both DDR2 and regular DDR. My question is, DDR2 is better yes, but how much better? Is it worth spending more money on? And is there a noticeable difference?


Short answer,yes it is faster but is it worth it to you.What do you use the computer for?
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I have a 6GB mix of OCZ Reaper 8500 DDR2 and 9200 DDR2 running at 857mhz, 4-3-3-5-2T in my system and it's great. I also happen to have a 2x 2GB kit of G.skill around here.

I am contemplating swapping the 2gb of 9200 in my system for the 4gb of G.skill giving me 8GB instead of 6GB. I'm mainly just curious if I can make it work more than anything, but curious if there is any real point of 8GB vs 6GB of DDR2.


A:8GB vs 6GB DDR2

If its just an experiment go for it and have fun, but unless you really need the extra 2gb, I doubt that you're going to see increase in performance...
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Hi guys a quick question, is it possible to have 2 GB DDR2 800mhz and 1 GB DDR2 667 mhz in the same pc?
here's the link to the pc, im thinking about
ASRock > Products > Nettop Series > ION 330

A:800 mhz DDR2 and 667 mhz DDR2 in the same pc?

Yes, but the DDR2 800 will clock down to the DDR2 667 speed, so they will all run on that specified speed of 667mhz, non dual channel.
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i have a motherboard with 2 DDR2 slots, right now each one has 512mb. If i were to remove one off them and insert a 1gb stick, now having 1.5gb installed.

is this possible (Motherboard model on my system specs)

A:1.5gb of DDR2 ram

Yes. The motherboard supports up to 8GB of DDR2 memory.
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to run dual channel do I have to have my sticks in slots 1 and 3? Right now I have my sticks in 1 and 2 right next to each other. They still register as 2 gigs

A:ddr2 ram

In most cases, you need memory in the same-colored slots in order to ensure dual-channel mode. If it's a newer Asus, chances are you have two yellow slots and two black slots. Make sure you have dual-sticks (same size) in the same color slots for dual-channel.

The best way to tell without opening the case is to download/run CPU-Z and check the "Channels #" for Dual. If it's not Dual, then you can swap your memory around to get this working.
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My computer apparantly has 512mb of DDR2 PC2-4200 533mhz Ram in it.I'm buying more Ram for it and am a little confused regarding the DIMM connection numbers for buying it.It seems that this speed ram is 200 DIMM vs 240 DIMM for faster (or newer)ram.Does this sound right as I don't want to make a mistake with an on-line purchase.I checked out the sites that tell you what ram you need but my model is too new and I can't find the proper reference.Thanks for any input.

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For My PC
I have 1 2gb of 667 mhz ddr2 and 1 2gb ram of 800 mhz ddr2... What is the RAM operating speed ?

Also tell me i need to upgrade to 6gb RAM on my desktop !!!
i wanna buy another 2gb ram ddr2 coz my dg33 fb supports ddr2
which shud i buy ???

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If i get a 2GB DDR2 will it perform any adavantage? I am currently using 4GB DDR2. Will the 2GB be over taken by my 4GB? Im wondering this because one of my games doesnt look as good as i want it plus i want to enhance performance.

EDIT: I have a dv4 1275mx will the DDR2 fit?

A:If i get DDR2...

looking good and performance are two different animals, more so when it comes to laptops.

More memory might be able to yield more FPSs (Frames per Second... speed!) if by that much, better visual of graphics comes from your Video card & CPU and I am thinking that having an Onboard chip as a card, does not do well when playing games.

Now, if you give us a little more feedback of what kind of games and what you use the laptop for, we can perhaps help better?
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hi guys,in my daughters pc,which is a amd athlon 3.06,she has 1 gig of ddr memory,she wants to put in another 1 gig,can she run 1 gig of ddr2 with it or does it have to be 2xddr ??

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Wish to upgrade my memory in my desktop by a further 2 Gb. Currently have 6 Gb of DDR2 800mhz memory in a Advent Centurion cq9204. problem is dunno how many pins the memory sticks have, it aint written anywhere on them.
Any thoughts.

A:Ddr2 ram

you currently have 6gb of ram, what are you doing that you require another 2GB? for majority of people 4GB is enough. So unless your doing some heavy photoshop graphics your probably wasting money on more ram, you may want to use that money toward something else to see more of a performance increase.
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ok this is about to drive me crazy. I already ordered this mobo and some corsair xms 4-4-4-12 ddr2-800 rated at 2.1v. alot of people have been saying the mobo only goes to 1.95v on the ram and therefore alot of memory incompatibilities. but yet a few people said they have got 2.1v ddr2 to work with setting it to 1.95v????

A:M2N-E with DDR2 2.1v??

All you can do is try it for yourself.
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I have a budget emachine T desktop I just bought for my son It has the P HT and has DDR ram with Vista Of course it s slow I d like to max out the Ram to gb I m unsure about the correct ram to buy I see PC - DDR2 Ram and up I also see up to MHZ The PC doesn t DDR2 Ram specify these figures Just don t want to buy better ram than the machine supports Does it still work even if it s better than what s in the machine There s slots with in each that I guess become useless because I hear for DDR to work best matched sticks are preferred I see deals all over the net for gb kits for around any brands to stay away from I saw G Skill gb DDR SDRAM mhz pc - for free shipping at newegg I know it s not a good machine but for including a printer and quot flat CRT I simply couldn t find anything comparable I think it might actually work OK with more ram Any input would be appreciated nbsp

A:DDR2 Ram

RAM will only work at the FSB of the motherboard, or at the speed of any slower RAM fitted. Fitting faster RAM will not make it run faster than the FSB of the motherboard.
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Hi all,
(Don't know how much of this you need to know but...)

I'm about to buy a new machine with an Intel LGA 775 Pentium 4 /D CPU
and a P5RD2-VM motherboard. It's coming with 512MB of DDR2 SD RAM and it says PC4200(?)

I've got 256MB of DDR RAM (PC2100, CL2.5) from my old machine and I was wondering if I can combine them?

I'm expecting a short answer 'no', long answer 'noooooooooo' here!


A:Can I use my old DDR RAM with my new DDR2 ?

No, DDR2 has a different pin count than regular DDR, not to mention different clock speeds. In all essence, you wont even be able to get DDR1 to fit in a DDR2 slot without alot of breaking things.
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Windows Xp, Media Centre Edition, Ver 2002, Intel Celeron(R) D 3.20GHz, 1Gig Ram.

I want to increase DDR2 Ram but what do I buy, there seems to be diferent speeds, which do I need???


A:DDR2 Ram

You need the RAM that is compatable with your motherboard.
The CPU and Windows version give no hint to that.

As Windows MCE was OEM, its likely to be a brand name (HP, Dell etc), so if you could supply the actual maker and exact model, we could probably help more here?
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I have an ECS P4M800PRO-M(V2.0), Pentium D 915 OC to 3.2GHz, 2GB PC2-5300, and I am running Windows XP Pro. My board supports up to 2gb of PC2-4200(533MHz) and that is what I ordered on Ebay but I received 2GB PC2-5300 instead. I'm not complaining except my board only reads 1GB PC2-4200. I know the speed is backwards compatible, but I do not understand why the BIOS only reads 1GB. DX Diagnostic Tool, PC Wizard 2008, and CPUID all read 2x1GB PC2-5300, but the BIOS does not. Can anyone explain this to me.
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I just bought a Gateway tower at a garage sale with no hard drive or no memory. I inserted another hard drive from an older gateway machine but I have no idea what kind of Ram I need to get. It has a Pentium 4 CPU. The serial/model number on the box reads : 0025768844/MFATXSTL ELP 500C.

From what I've hard it needs DDR or DDR2 ram but which kind will work on this machine?

A:Do I need DDR or DDR2 Ram?

From the gateway site it uses pc2700 ddr memory.
BTW if you input the serial number into the gateway site, you can see everything you want to know about that system.
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will ddr2 ram work on a ibookg4

A:DDR2 ram

Depends if the ibookg4 supports DDR2 ram, please post your current system specs
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Q: Ddr2

Hi, lately i have been hearing that the DDR2 RAM has been becoming standard...Can someone explain to me why? I always though that DDR4 was the more advance ones.


i think you're being confused with DDr4 with ddr 400. DDR400 is basically ddr. With 2700 and 3200 version etc...

DDR2 is faster.
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can anyone give me some information ? i am using asrock motherboard pt880 4core, can i use2 ddr11memory cards 240 pin into two slots provide and at the same use 2 ddr2 memory cards 184 pins in to the slots provided, in other words i will be using 2 cards of 240 pins and 2 cards of 184 pins at the same time, or do i need to use either of the 2 cards at a time?

A:DDR1 and DDR2

2 x DDR2 DIMM slots
- Supports DDRII667/533 non-ECC, un-buffered memory

2 x DDR DIMM slots

DDRII and DDR are supported separatelyClick to expand...

ie Just use 2 DDR2 Dimm cards only


DDRII and DDR2 are the same thing
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Hi all,

I currently have 3Gb of DDR2 memory, in 2 slots (1x 1GB, 1x 2GB) - however i wanted to increase this to 4GB or even 6GB. Basically i was wondering if the following factors would affect my choice:

1-Is there a limit of how much RAM i can have in my motherboard?
2-Can i cross between DDR3 and DDR2 memory in the two slots, or do i have to keep the same type in each? - (and also, whats the difference between the two)

Thank You

A:Can I use DDR2 and DDR3 RAM together?

If your motherboard currently supports DDR2, then you can only add DDR2. They're not slot compatible.

Which motherboard do you have? Most modern motherboards should support 4 to 8GB of RAM.
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A:DDR2 vs DDR3

The difference will be negligible in games and every day use. You're better off sticking with the 4GB of DDR2 especially if you're only going to be getting 2GB of DDR3.
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A:Solved: Ddr2 cl ?

The lower timings are "quicker" As for overclocking, it would be best to buy faster ram; ie if you are going to buy 800, then buy 1066. This will leave you a LOT of room for upping the fsb.
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My motherboard is deep with 4 slots for ram and only one spot is reading. When I put anymore ram in My computer beeps.

A:Single ddr2

sshrver Hello;Allow me to welcome you to the HP forums!First thing you should do is try each memory stick, one at a time, in the single slot that works.  That will confirm if each of the sticks is OK. If all the memory sticks are the SAME memory, and they work individually, that means your motherboard has gone bad, and the only solution there is a replacement.  Problem is, HP uses custome-made motherboards that are generally NOT available for retail purchase. You could contact HP Customer Support to see if they know of anywhere you can get the motherboard for your model:  If you live in the US or Canada, contact information is on this page: you live elsewhere, contact information is on this page: After you get through, stay on the line until you are finally able to talk to some one -- it can take a while!If you have trouble finding a phone number, then try: 1 (800) 474-6836---------------------------------------However, HP Customer Support is generally not available on the weekends, so you might have to wait until Monday to contact them.---------------------------------------Good Luck
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i recently aquiered 4Gb of DDR2 ram from a friend as he no longer needed it. the problem is that my computer supports DDR ram. i have seen online that there are such things as DDR to DDR2 converts.

my question is where can i buy such a thing online and how much would it cost me.


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ive recently purchased some corsair xms2 dd2 ram (2gb x2) and installed it successfully but when i check my system information, its says i only have 3gb of ram installed??

whats going on? how can i change this

A:DDR2 RAM Issue?

What you are seeing is normal for 32-bit versions on Windows. Windows reserves 512 MB PCI address space for itself, your graphics card uses some space (either PCI address space for add on cards, or RAM for on-board graphics), other hardware uses some; and 3 GB is left.

If you want to be able to use all 4 GB, you need 64-bit Windows and a motherboard that supports 8 GB or more RAM.
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I have a 1 gig ram that when I place in my mobo and then I turn on the computer It makes a sound and doesnt start up.

If i remove the ram then the computer starts up....

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Hi, great forum you guys got here...
Just had one small question-
I have a Gigabyte 8I915P Duo Pro motherboard...and it supports both DDR and DDR2 RAM. I am currently running 2 x 512MB DDR2 PC5400 and was wanting to add some more it ok to add regular DDR memory in the slots adjacent to the DDR2? Or do I need to look at running 2 x 1024MB DDR2 in order to increase my memory? The mobo has a pair of DDR2 slots and a pair for the DDR.
Looking around the web I have yet to find a definitive answer.

Thanks in advance!

George Widener

A:Mixing DDR2 and DDR

Well, adding DDR to it, even if it will work, is bound to seriously affect the performance of the memory subsystem.

From the manual for that MB: Note:Mixed mode, populating DDR and DDR II memory modules simultaneously is not supported.

I'd say the answer is no.
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My Mainboard officially supports up to 8GB of RAM(2GBx4)

Will a 4GB module(4GBx1) such as this ever work in that motherbaord although not officially supported
I've heard that some x48 chipsets could accept 16GB of DDR2 RAM(4GBx4)

A:DDR2 RAM question

Probably not, since the module is 4GB and the only ones listed as compatible go upto 2GB. That said, the QVL list only details the memory modules and sizes that have been tested with the board. It is by no means exhaustive, and other modules/sizes may or may not work.
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I already have 4GB of DDR2 RAM. My motherboard is an ASUS M4A785-M.

This is the RAM I have now. Would I be able to buy this RAM and have it work right with the RAM I already have?

I want to have a total of 8GB of RAM. 4GB that I already have and then 4GB that I plan to buy.

Thanks for any help and or suggestions.

P.S. My money is kinda tight so I can't get the most expensive item on the market.

A:Upgrading DDR2 RAM

after checking on the centon website the CL and speed matches with your current one, but the timings are not visible so it may work but has a small chance of not
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Hello all,
Think I know the answer to this...but I have the option of running my DELL using:

4 GB 1066 MHz Dual DDR3


8 GB 667 MHz Dual DDR2

I'm currently running the first.

My Windows Experience Index, for what it's worth, gives me a 5.9 in the RAM category (and the HD category) but 6.8 - 6.9 in the others (processor, graphics, gaming graphics).

Thanks in advance.

A:8 GB DDR2 vs. 4 GB DDR3

Hi sjcecran and welcome to SF!
Four words for you: stay where you are!
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This might not be in the correct section After a series of disasters I have just upgraded my system I haven't adjusted my system specs info yet so you can still see my previous setup info My new system AMD AM x Phenom II T GB of DDR My new setup seems smoother overall although Firefox seems to take longer to shutdown I noticed something disappointing strange after refreshing DDR3 DDR2 WEI vs - my WEI score GB of DDR - GB of DDR - I was under the impression that DDR was faster than DDR was faster than I'm sure that my old system was using the default settings i e no overclocking Is the WEI memory score actually based on capacity speed and type Do I need to adjust my WEI - DDR2 vs DDR3 BIOS settings Also when I run System Information Tool XP SP CPU Power - W W CPU Power - W According to AMD it is rated at W AMD Phenom WEI - DDR2 vs DDR3 All other values e g voltages and temperatures seem to be basically the same The temperatures seem to be basically the same in Ubuntu as well

A:WEI - DDR2 vs DDR3

It is faster, but you've halved the memory amount. Double to 8GB and it will shoot up to 7.8 or so.
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I have a question for you Knowledgeable people ;-) I have a Pentium D Dual core Dell E510 computer running windows XP with (2) 512mb sticks of DDR2 ram 4200. I would like to add more. I was thinking about adding (2) more sticks of 1GB 4200. For a total of 3 GB.Then someone told me It would be a waste of $. They said just to add 2 more 512 mb modules as XP wouldn't or couldn't use the extra 3rd GB. Is this true? Any help would & will be greatly Appricated. Thanks,

A:Adding more DDR2 Ram?

Some MOBOs have issues when all four slots are populated, so I would not add two more 512MB sticks.

A better option would be to add 1GB sticks.Then if you do have a problem with four sticks as stated above, you can remove the two 512MB sticks leaving you with 2GB (which is probably enough anyway).
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A:DDR2 Laptop Ram Help

Ive been reading on the internet that ddr2 is backward compaitible, would does that mean? sorry im a bit of a noob with computers, well thats why im here lol

Any help would be greatly appreicated
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Well a mate of mind bought some DDR2 Kingston RAM but then decided that he didn't want it. So instead of sending it back he gave it to me.
Well right now I have DDR ram inside of my computer but I was wondering would DDR2 ram work?
Would it be okay if both of them were inside the computer at the same time?
I know completely nothing about computers so could you guys please help me?

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Two DDR2 sticks:
OCZ PC2-4200 Enhanced Bandwidth labeled for 3-2-2-8
PDP Patriot PDC22G4200+ chips labeled for 3-2-2-4

Both chips are marketed to run at DDR2-533, but obviously can be overclocked. My question is which chip would be better? When clocked for DDR2-667, does it increase the bandwidth for the chip from the DDR2-533 rating of 4.2GB/s? Would it be better to just go with a DD2-667 'labeled' stick like the OCZ w/ 4-4-4-8 and bandwidth of 5.4GB/s??

Hopefully someone here knows something about overclocking or maybe could make an educated conclusion by these reviews:
OCZ PC2-4200 EB
PDP PC2-4200 Patriot

Is it possible to just use similar tests from each review like the Sandra 2004 Standard Buffered Memory Test at 667 speeds??

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I'm just wondering what an ideal DDR2 RAM timing setting would be with my computer. Currently I'm running them at 4-4-4-12.

Thanks, Alex.

A:DDR2 RAM timings?

just go with what it says on the sticker; use the corresponding voltage too. if the modules don't have stickers just use the by SPD option or Auto setting in BIOS. there is no ideal settings, memory kits differ by brand and speed.
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My problem is that i am not sure whether i should spend the extra money to go for DDR3 as of this moment or should I wait and buy a board that has DDR2 support and go for DDR3 way later like the next upgrade (which I can just upgrade the motherboard if i ahve to).
what are your opinions?
thanks, adam

A:go for DDR2 or DDR3?

If you are a serious gamer, go for ddr3 for the best performance
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Based on the tradeoffs, what would you go for?

Thanks much!


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If you had a choice, DDR2 or DDR3 and why? Trying to figure this out for my new computer.

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I have Windows 7 32-bit and 2 x 1GB G.Skill DDR2 1066 modules installed.
- I am thinking of adding one more G.Skill DDR2 stick (1GB).

Does it make sense just to install 3 GB?

Thank you!

A:DDR2 3 DIMM, 3GB, 32-bit


There's kernal patch for 32 bits to support 4 gigs
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Is it possible?
i saw the his hd4650 ddr2 card hes
600 core clock
800 memory clock

And the normal hd4650 hes only
600 core clock
and 400 memory clok

how it could be?

A:His hd4650 ddr2 vs hd4650 ddr2

usually the memory clock differs if the system uses different module i.e. DDR2 vs GDDR2.
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I am getting 4GB's of Ram for my new computer because I plan on installing Vista 64 Ultimate. I have been thinking about getting the 4GB of Corsair Dominator from the Egg. But I am trying to figure out if that would be the best buy for me. I do lots of gaming and downloading. I want the Ram for the games and for Vista. The Egg has it listed at $337 for 4GB. But I have also read many people say if you get 4Gb to try and get 2 X 2GB. But the dominator only offers it in 4 X 1GB. I do plan on overclocking. So should I get the 4 X 1GB of the Corsair dominator or something else? I have a Maximus Formula motherboard.

A:Bets 4GB of DDR2

IMO 2 sets of dual channel (2x 1gig in a dual channel, 2x 1gig in another.) sounds better than 1 set of dual channel (2x 2gig). So yeah 4 x 1gig sounds good.
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A:RAM: TWO DDR2 of Different size but same bus

The max for that board, according to the Intel specs, is 4GB. You can add another memory module and it does not have to be the same brand. However, you need to get memory that is compatible with that motherboard and at least the same speed. Two memory modules with different speed and the memory will run at the speed of the slowest module.

HERE is the Crucial memory listing for that motherboard. Note that this board requires 1.8 volt memory. Much of the current memory available is 2.2 volt so be careful when you get the extra memory.
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Hey, my grandparents bought some crappy acer computer, and we want to upgrade it a bit.
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The problem is, I can't find anything about the mobo on the web. I have SIW and everest, but even there I can't find it.

Edit - Without opening the case, cause else I would've done that

Greets, Thas

A:PCI-E, DDR2, how to find out?

If you launch SIW and click on memory in the left pane, what is indicated in the right pane?

Also, what is indicated for video?
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Hi, does ddr2 677 really make that much of a difference compared to 533?

A:Ram Speed DDR2 533/677

Does having a 3.2GHz P4 make that much of a difference over a 3.0GHz one? Same answer.
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hello guys just a little help needed is there a way to find out what type of memory i have in my pc with out taking it out
i no its ddr2 but i need to no the best speed and all the other stuff
i want to take it from 256 ddr2 to 2 gig
2x 1gig sticks but i dont no which type to get
i have a packard bell i start with windows xp home
thank you any help will be good
any more info i will try to help

A:ddr2 memory

Go here, click scan my system, it will show what RAM you have in there, as well as what RAM (of Crucial's products) will work in it.
You can also go to Corsair's site or and manually insert your PC model number to find out which of their products work in your PC (to do some price comparison)
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I currently have an ASUS A8N-E motherboard and some DDR400 RAM. If I'm looking to upgrade/replace my current ram, would this motherboard support DDR2 ram? I have tried researching it but can't find many answers.

Also any opinions on which is a better choice (DDR400 vs DDR2) would be appreciated, thanks!

A:DDR2 Compatability?

t3mp3st said:

I currently have an ASUS A8N-E motherboard and some DDR400 RAM. If I'm looking to upgrade/replace my current ram, would this motherboard support DDR2 ram? I have tried researching it but can't find many answers.

Also any opinions on which is a better choice (DDR400 vs DDR2) would be appreciated, thanks!Click to expand...

Your board will not accept DDR2 ram.