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Question about 4 Ram modules config


gaeroman

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Hello,

I own two kits of Corsair Twinx2048-3200C2 to set-up a 4GB system based

on the Asus A8N32-SLI motherboard. Due to the rather high cost per kit,

I had to buy the second kit after a while so the revision differs from the first one.

The DDR stick on the first kit reports:

- CMX1024-3200C2 XMS3202 v1.2 0629236-1

 

The DDR stick on the second kit reports:

- CMX1024-3200C2 XMS3202 v2.1 0616077-0

 

Surfing on the forum threads I have seen that the stick v2.1 0616077-0

should have memory chips from NANYA NT5DS64M8BS-5T.

Since I heard that it is NOT RECOMMENDED to mix revisions in 4 sticks configuration, I whould like to know if the stick v1.2 0629236-1 is using the same chips or, if not, which one is used and problems connected to this.

I hope my question is clear enough.

Thanks in advance.

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Thanks for your fast replay!

I tried the 2.5-3-3-7 @333MHz 2.7v you suggested.

If I set the Command Rate (CR) to 1T the MB cannot even POST.

With CR set to 2T then it is OK but the performance loss is high.

I also tried CL3-3-3-6 @400 2.75v with CR 2T and it seems to be OK.

 

Anyway, I'm looking forward for the update of your IC Inquiry Thread

to see which memory chip is used on the stick v1.2 0629236-1.

 

In the meanwhile I whould try to increase the FSB to find the frequency

limit I can achieve in order to compensate the performance loss I got

due to the CR setting to 2T.

 

Best Regards,

gaeroman

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  • Corsair Employees

You cannot run at 1T Command Rate with more than 2 double sided modules this is a limitation of the memory controller.

Command Rate is not really a memory setting and would be dependant on the make and model of MB and PSU and the specific CPU you have installed. You might look this setting up on http://www.rojakpot.com and get a better explanation.
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