Re: Stability prob with P5V800 and D 920

dechert@xxxxxxxxx wrote:
On Mar 14, 1:22 pm, "Michael W. Ryder" <_mwry...@xxxxxxxxxxxxxxxx>
wrote:
Your voltages seem to be way out of spec, especially your +5V reading.
Maybe try a different power supply to see if it fixes the problem.

Thanks, Michael.

I called Corsair tech support. The guy was skeptical of the voltages
reported by the Windows program. He said the only way to be
completely confident with the voltages reported was with a volt
meter. However, he also said to look at what it said in the BIOS. I
checked there, and the voltages reported were all fine -- very close
to spec. 5v was 4.94 and so on. He said the 520 was plenty of power
for what I had in my system. They would do the RMA if I wanted but he
really didn't think that was the problem.

He also suggested running memtest. It turns out that I also have
Corsair memory, and I did that. I had run memtest overnight (fine)
when I last upgraded the memory a year or so ago. So, I ran it just
now and got failures (multiple failures at same address). I pulled
out one module (the 512) and ran it again (with the remaining 1 gig
module) and found no errors with about 8 minutes of testing. So, I
got an RMA on that memory module, and was expecting that it would have
solved the prob. Not quite.

The system seemed to run better without the offending 512 module, and
I was able to load it up with quite a few programs running at once,
but I was eventually able to make it fail. The tech support guy also
suggested running orthos in safe mode to stress the system. That ran
for about 10 minutes before the system failed. So, it's running
better, but not totally reliably.

I'll run memtest overnight on the 1 gig module. I'm open to
suggestions, but leaning toward using it for now (without stressing it
too much), and then replacing it (mobo/mem/cpu) soon.

Thanks, Alan

I have the P5P800 motherboard and recently had to RMA it as the capacitor below the CPU was bulging and I was getting the random reboots even without any load. The other thing to check is the voltage regulator on the board, maybe it is getting too hot under the load from the new CPU. Without the extra load from the second memory board it may be able to run longer before overheating.
.

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