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Best memory configure for overclocking X2 or Opteron dual-co

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January 22, 2006 7:55:15 PM

Looking at getting either an Athlon64 X2 or Opteron (dual-core) soon and was wondering which memory configuration would be best for trying to overclock one of these.

By that I mean, I plan to have 2GB of ram, which would be better:
- Four 512MB DDR400 sticks

OR

- Two 1GB DDR400 sticks

(DDR400 is still the highest speed AMD's take right?)

Also for an Opteron does the ram HAVE to be ECC/Registered or could I use Non-ECC and unbuffered without much hit to performance?
January 22, 2006 11:59:00 PM

Def 2 is best.
The latest boards chipsets by nVidia and ATI do not require ECC/Reg memory.

Corsair makes good low latency RAM which works good with AMD.
January 23, 2006 12:55:59 AM

Hello,

4 sticks make the system less efficient as you can not run 1T, drops to DDR333, and increases latency as it has to access all the slots.

It is cheaper to go with 2 sticks of 1 gb. Then you can OC better and do 1 T and other things.
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January 23, 2006 1:23:06 AM

I am running 4 x 512 and it does it at 2-2-2-5-2T.
Overclocked at 230mhz I had to relax timings a bit to 2.5-3-3-11-2T
January 23, 2006 1:43:10 AM

the socket 939 opertrons dont need ecc registerd ram.
i reccomend 2 1gb sticksso you can have 1T
January 23, 2006 8:09:14 PM

I ended up getting these after recommendation from wusy and they were on sale for just the weekend. It should be hear by the end of the week
February 25, 2006 12:13:02 AM

Quote:
the socket 939 opertrons dont need ecc registerd ram.
i reccomend 2 1gb sticksso you can have 1T


Is there an AMD page that states this? Because I am getting an MSI Diamond 939 board and was told by my supplier that I would need different ram as i am tossing up between an Opteron 165 or an Athlon 64x2 3800.
February 25, 2006 2:14:14 AM

the socket 9393 opterons will work with all s9393 boards and run on unbuffered non-ecc ram. all socket 939 processors use normal ram.
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