EggXpert.com - Mixing Memory

Last post 05-19-2008, 1:44 PM by CheapAsianGamerGuy. 5 replies.


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05-16-2008, 8:03 AM 322449

Chaotic
Joined on 05-02-2008
Embryo

Mixing Memory

What do I need to watch for when adding new memory? I added 2 sticks of this: http://www.newegg.com/Product/Product.aspx?Item=N82E16820146969

I had in it 2x256MB of some Compaq standard Hyundai BS ram.

They are all PC3200 DDR400. But do I need to match anything else? Should I remove the 512MB of the Hyundai ram and expect the 2 sticks of the newer OCZ to work better w/o it?

Let me know if you need any more info. I can get CPUZ info on it when I get home tonight. Thanks!

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05-16-2008, 8:59 AM 322472 in reply to 322449

CheapAsianGamerGuy
Joined on 05-23-2007
SoCal
Diamond EggXpert

Re: Mixing Memory

As long as you're adding matched pairs you should be fine.

If system does not boot, remove old ram and try again.

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05-17-2008, 11:57 AM 323027 in reply to 322472

chris6690
Joined on 04-29-2008
Embryo

Re: Mixing Memory

when you say "matched pairs" do you mean as in ddr, cas, spped, what? also is it possible to have say 2x2G and 2x1G as long as they are "matched"

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05-17-2008, 6:38 PM 323137 in reply to 323027

CheapAsianGamerGuy
Joined on 05-23-2007
SoCal
Diamond EggXpert

Re: Mixing Memory

matched pairs as in same model and all stats. (Though if ur willing to take a small risk same stats different models or maeks SHOULD work, but not always, electrically.)

under no other circumstance can you hope to reliably retain DUAL data rate functionality.

NewEgg LANFest 2K7 Best Performance Mod WINNER!
3DMark05 Score 23098 under Windows XP x86
3DMark06 Score 16248 under Windows Vista x64
E6850 @ 3.6 GHz, 2GB Crucial DDR2 @ 960 4-3-3-10
150GB WD Raptor, Asus P5N32-E SLI w/ EPP
2x MSI GeForce 8800 Ultras @ 687/1188 SLI
Antec P180B Case w/ Rosewill Xtreme 950W PSU

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05-19-2008, 12:26 PM 323762 in reply to 323137

chris6690
Joined on 04-29-2008
Embryo

Re: Mixing Memory

so should you generally stay away from mixing different memory sizes? even if they are the same stats otherwise?

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05-19-2008, 1:44 PM 323816 in reply to 323762

CheapAsianGamerGuy
Joined on 05-23-2007
SoCal
Diamond EggXpert

Re: Mixing Memory

you can have 2x 512 @ 800 MHz, and 2x 1GB @ 800 MHz for 3GB, but 1 at 512 and 1 at 1GB and you lose dual channel and get 400MHz

NewEgg LANFest 2K7 Best Performance Mod WINNER!
3DMark05 Score 23098 under Windows XP x86
3DMark06 Score 16248 under Windows Vista x64
E6850 @ 3.6 GHz, 2GB Crucial DDR2 @ 960 4-3-3-10
150GB WD Raptor, Asus P5N32-E SLI w/ EPP
2x MSI GeForce 8800 Ultras @ 687/1188 SLI
Antec P180B Case w/ Rosewill Xtreme 950W PSU

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