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Asus P5n-e Sli + Twin2x2048-6400c4


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I understand this question has been asked many times, I just want to be sure that I'm doing the right thing before tinkering with the timings. (I've never done this before, sorry.)


I'm running an ASUS P5N-E SLI, C2D E6750, 8800GTS and TWIN2X2048-6400C4.


I had many crashes when installing XP with both sticks in, but managed to get it installed with 1. I got various memtest errors even with one stick in, but sadly I couldn't access the internet so I returned my RAM before I found this website and could tinker with the timings.


So I just wanted to know the exact timings and voltages I should be changing when my replacements arrive..


Many thanks.

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Nope I didn't change any settings. The only other memory I've ever used before was automatically picked up by my old motherboard.


Are the 4,4,4,12 obvious settings once I'm in the memory options in the bios?


What's T1, T2? I've seen this on alot of threads regarding the same combination, but not sure what it means.


Thanks again.


ps. There's currently a Postal strike here in the UK, so I won't be testing it untill sometime next week :/

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1T and 2T refers to command rate. In this case, I'd suggest leaving it at whatever the bios default is. And, yes, once you enter the memory timings section, you'll see the 4 timings listed along with several others. You'll want to leave the others at MOBO defaults.


In this order:

CAS Latency

RAS to CAS Delay

RAS Precharge

Tras or Cycle Time


The names may vary a little from board to board. For example they may use the letter "T" to denote time. Some boards call RAS Precharge TRP, or Time RAS Precharge as opposed to simply saying RAS Precharge. You'll figure it out.

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Thanks for that specmike, really appreciated.


I must say from browsing these forums and the help I've recieved, you guys at Corsair do a seriously spiffy job at helping your customers. Keep it up :cool:

We try and thank you VERY much for the feedback :sunglasse Have a great weekend and let us know how your build and tuning go.
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  • 2 months later...

I am in the process of building a new system and wanted to ensure that everything was going to work OK here. I will be using the same ASUS P5N-E mobo and the CORSAIR TWIN2X2048-6400C4 memory. I will be running two sets of the memory for a total of 4GB. Will there be any problems with this? Should I just use the same timings listed above (4-4-4-12)? I have read on NewEgg that some people had problems running 4GB in this board until the BIOS was updated. Any help would be greatly appreciated.


Thanks in advance!!! =)



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