BSOD Hell, please help!

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Soooooooo i've been fighting with my pc all evening since i got home from work, started up fine as usual about 30 mins later it BSOD's and so far i can't get past the windows splash screen, originally i was getting 0x00000124 error, this has now moved to 0x0000009c error.

System
I5 2500k
Asus P8P67
2 x 4gb Geil Value plus
Gainward 470 GTX

I've removed all drives and disabled half the onboard features, i've reduced the CPU to 1 core and turned off Turbo boost and speedstep, removed and reset Bios, removed 1 stick of ram at a time etc but nothing changes. I've been using the windows 7 CD and once installer files load i get the windows spash screen and then straight to the blue screen....

....currently running the only memory test i could find which is windows memory diagnostics but i think it's an old version as it doesn't like the 4gb size but it runs okay and so far no errors after an hour but loooong tests....

HELP :(

FYI the board / cpu and memory are from OcUK although the mobo was swapped for the new revision approx 6 months ago.
 
i guess with this 300 year old laptop (p2 400mhz!) i may beable to get a USB version if they have it.

OCZ modxtreme-pro 600w
 
so i have 2 usb sticks and i can't find either of them :(

edit: found it! runing
 
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It was running at 4.4 since January without a problem. Suddenly this happens. I've not updated any drivers or anything for months.

a lot of sites point the error to a PCI-E fault, Also I have returned the cpu to stock with the same errors.

I'm testing just ones of my memory sticks with memtest at the moment so far 3 passes complete with no errors but i have seen a few graphical weirdnesses.
 
I copied a list of bsod codes from here and saved it ages ago:

0x9C = QPI/VTT most likely, but increasing vcore has helped in some instances

The OverClockers BSOD code list
BSOD codes for overclocking
0x101 = increase vcore
0x124 = increase/decrease vcore or QPI/VTT...have to test to see which one it is
0x0A = unstable RAM/IMC, increase QPI first, if that doesn't work increase vcore
0x1E = increase vcore
0x3B = increase vcore
0x3D = increase vcore
0xD1 = QPI/VTT, increase/decrease as necessary, can also be unstable Ram, raise Ram voltage
0x9C = QPI/VTT most likely, but increasing vcore has helped in some instances
0x50 = RAM timings/Frequency or uncore multi unstable, increase RAM voltage or adjust QPI/VTT, or lower uncore if you're higher than 2x
0x109 = Not enough or too Much memory voltage
0x116 = Low IOH (NB) voltage, GPU issue (most common when running multi-GPU/overclocking GPU)
0x7E = Corrupted OS file, possibly from overclocking. Run sfc /scannow and chkdsk /r

Hope that helps :)
 
good call, i've icreased the Vcore to 1.180 in bios and now i'm back in windows, i don't get why i suddenly need to increase the vcore to compensate after 10 months of 24 / 7 no issues. I had disabled all but 1 core and turned off turbo / speedstep so i need to try turning that back on....

Whats the diff between QPI / VTT?

edit: ok to get back on with all cores and turbo, left speedstep disabled for now. Had to get upto 1.3v, shame i don't know what it was running at before these hassles, probably find still really unstable.
 
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Its quite common for a chip to do this I've read. You were probably right on the borderline of the v needed and now its a bit more used its settled, you dont hear of it happening again after this though.

I wouldnt worry about it mate nothing stays pristine :)
 
well i'm upto 1.36v to get things remotely stable at my previous 4.4ghz. Still i have to turn off speedstep which i don't like.

Wondering if this is RMA possible...
 
not touched Bios, just odd that after 9 months it's suddenly needing way more juice but yet at the same time my CPU temps have actually lowered quite abit.
 
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