Random errors loading Vista when overclocked - voltage problem maybe?

Soldato
Joined
31 Aug 2007
Posts
4,861
Okay, first off this is a friend's system, setup is as follows...

Asus P5Q Pro Turbo
Intel E8400
2x 2gb Kingston HyperX 8500
2x 500gb Samsung F1 Raid 1
Pioneer DVR-217
Corsair HX-520
Antec 300

Running Vista HP fully updated.

I managed to get it running at 4ghz with the following settings...

CPU - 1.275
CPU PLL - 1.56
FSB TERM - 1.3
DRAM - 2.2
NB - 1.28
SB - 1.1 (maybe I should have left this at auto?)
SATA - 1.5 (maybe I should have left this at auto?)

It would run Prime95 Small FFT's all day long, never going over 54c, and ran SuperPi all day long too. It was also rock solid looping 3dMark ?Vantage, with the GPU seeing highest temp of 76c.

I take it to his house, start to set it up with his USB wireless adapter, printer etc, then the DVD vanishes from the system. Reboot and it returns, but it keeps going missing randomly.

Next thing, at boot, it began to randomly throw up errors, mostly DLL based, complaining of logonui.exe errors and dwm.exe errors etc.

So, for now I have knocked it back to default bios settings and backed the CPU speed to default, and the errors have gone, also the DVD drive seems to be staying put.

Although I wonder what was causing the errors?

Am I not feeding the CPU enough voltage? (this is what I am leaning towards)

Maybe the NB or something else needs more voltage?

Is it simply too much of an overclock to expect? If so, why so stable with Prime/SuperPi etc?

Any help would be appreciated.
 
Hmmm, so no-one has any input? You guys call yourselves overclockers, pfft :p

Guess I am going to have to play around with the voltages a little more and see what happens.
 
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