Quote Originally Posted by rge View Post
My E6850 was very stable at 3.9 (orthos 15hrs plus), but I ran it at 4.0 (orthos stable for 6-9 hrs then usually fail). I could do anything for weeks at a time, but eventually start getting BSOD's or reboots. Reinstalling windows from a fresh image (3 minutes) would solve problem, but in time would get other problems. At 3.9, never crashed once.

Yesterday my E8400 was being a little flaky I thought, but then ran memtest on my 6 month old corsair PC8500 and got 12 errors halfway into first pass. I am running my memory faster with E8400, and thus was getting more errors since my memory is going bad (stock settings fills page with errors).

Your running two components on the edge, ram and cpu, either one could over time corrupt windows if unstable, or windows may not be corrupted, your system may just be unstable.

Granted could be other things, but if me, I would
1) run memtest, newest version for 3-5 passes. If errors, back down mem speed/timings, and try again.
2) If memory ok, I would back down OC to 4.2, get orthos stable 12hrs., and try. If still problems, reinstall windows and leave on stable settings for a while and try (windows can get corrupted from crashes from unstable settings).
3) the best OCing software I ever bought was backup imaging software. Fixes all software BSOD's in 3minutes (fresh reinstall of OS and all prgrams)
I have ran OCCT 3 hours and prime blend test 3 hours and it passes without errors, have yet to run memtest cause I was passing the blend test.
I know 3 hours is a quick run but it was 15 hours stable on my final test a week ago.
I have ran my ram at 1247MHz without errors so well I'm not 100% I am confident its not a ram issue. I run my ram at 1199MHz with my quad and have never seen this issue b4. Also my downloads are not corrupt usally with bad ram you get crc errors and I have none.
I will take your advice and check my ram and try a lower clock and see if the issue is still present, I was leaning towards the Matrix Storage Manager, I have read that enabling the write back cache can sometimes have a negative effect.