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A64 and PC4000 Pro XMS Twin Pack pb.


Blood

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Hi,

 

First of all, sorry for my bad english.

 

I have a problem with my Twin Pack PC4000 Pro (2x512Mo) and my A64.

In dual use, it's impossible to reach over 225Mhz (errors on memtest pass 4 - 5 and 7).

But if I use only one memory, no problem, I can reach 250(no errors on memtest).

I had tried these setting memory on bios.

AUTO, CAS 3 - 4 - 4 - 8 - 4, voltage on 2.7 or 2.8.

But there are no effect.

I don't think is my mother board, Epox 9NDA3+ (nForce 3 Ultra), because another user qho have same memory has same problem on Asus A8V(KT800).

 

Is-it a compatibility problem with A64 ?

 

Thank for your solution :sunglasse

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Additionnal infos:

 

In desynchro mode, CPU can reach 9x300(RAM 200 (100 in bios)) with no errors in memtest(for memory) and (prime 95, Super PI)

CPU isn't limiting factor.

 

Here, http://compatible.corsairmemory.com/modelsearch.aspx?ramid=30 , I can see my memory is compatible with my mother board.

I think my memory had problem to get 250Mhz in Dual mode.

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Hi,

 

I have tested this week-end my dual Ram on a freind's P4P800 with a P4C2.8 core MO.

Usely, this CPU work at 14x275 and a pair of corsair PC4400 xms.

We have tested at 14x250 and we get more errors on memtest.

Now, we absolutly sure that memory have problem on dual, because in single use, no error at 250Mhz.

 

How can i proceed for my memory ?

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  • Corsair Employees

A 2.8C CPU may not over clock that high. We can try replacing the modules if you like, but I would suspect it's your CPU that is topping out.

 

Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!

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