Brand new homebuilt system:
Win XP SP2
ASRock P67 Fatal1ty Performance
Default settings except spread spectrum turned off
8 GB Ram Kingston Hyper PC1600
Core i5-2500K
ATI Fire GL V3600 (from previous PC)
Cooler Master 500 W PSU, dual rail
Boot drive: Crucial M4 SSD
Seagate SATA III 500 GB
2 caddys (one for IDE, one for SATA), but it happens if drives are not in the caddies
DVDROM (Writemaster from previous PC)
PCI cards: DVRaptor Audigy 2, Linksys wireless (all from previous PC)
I get completely random crashes to a black screen. There is no BSOD, there is no minidump, there is nothing. Have to hit reset button or power cycle. Happens every 30 minutes to 4 hours.
CPU and PSU were used with a different mobo for a month with no problems.
All BurnInTests pass. Memtest86 passes (ran for 12 hours). FurMark passes. IntelBurnIn test passes (CPU got to 98C with no problems). Temp and voltages are rock solid. It has happened when I'm doing nothing other than playing solitaire, It has also happened when copying 200 GB of files (and also not happened).
Yes, I am running PC1600 with a PC1333 CPU, but 1) MemTest passes and 2) I thought it was ok to run higher speed RAM with lower speed CPU, it just runs slower (mobo goes to 1600, or 2133 oc'ed). It's 2 dimms, and yes win xp only sees 3.5 GB, but someday I'll go to a 64 bit os.
How can I track the problem down? If I could consistently make it happen, then I could track it down. But nothing works. HELP!!! And thanks!

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