Isn't Command Rate a "memory setting?"
- From: "milleron" <miller.90@xxxxxxxxx>
- Date: 3 May 2006 08:54:36 -0700
I'm having trouble with RAM again on my A8N-SLI Premium -- two sticks
of 512MB, 1GB total. I've already had Corsair replace my first set of
TwinX DIMMs, and all was well. However, after about four more months,
I started getting BSODs again and seeing errors in Prime95 AND in
Memtest86. If I set the command rate to 2T, then the computer's stable
at a CAS of 2.5. If I set the CAS to 3, then the computer's stable at
a command rate of 1T. CAS 2/1T and CAS 2.5/1T cause random BSODs and
errors in the memory-testing apps.
Ram Guy on the Corsair forum, however, is telling me that Command Rate
is not a memory setting. In my BIOS the setting is under "DRAM
Configuration," and it's labeled "1T/2T Memory Timing," but this guy is
telling me that it's NOT a memory setting. To his credit, he says that
if either stick, but not both, gives errors in Memtest86 at 2-2-2-5/1T,
then he will classify that stick as bad and replace it. That seems
correct and fair, but he says that if both, installed singly, give
errors at 2-2-2-5/1T, then the problem is in the motherboard or PSU,
and I don't see how he can jump to that conclusion. I don't see why
that couldn't be from both DIMMs being faulty.
I paid a premium for XMS 3200XLPT that's rated at 2-2-2-5, but I cannot
run it that way (or even at 2.5-3-3-5) with a command rate of 1T. To
me that's not up to spec, but Ram Guy says that as long as it will run
at their spec and 2T, the memory's OK. Doesn't this sound bogus?
Has anyone been UNable to run two 512MB sticks at 1T on this board?
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