GPU not detected when overclock past 3GHZ???

Associate
Joined
12 May 2010
Posts
1,875
Location
West Bromwich
Just started overclocking my mates old machine,

P5N 32E Sli + Mobo
HyperX DDR2 800Mhz @ 5-5-5-15 4GB
Q6600 @3GHZ
XFX 8800 Ultra.

Machine overclocks fine up to 3ghz, but past that, when you boot into windows, the 8800 Ultra isn't recognised, no GPU is detected ?!?!

Anyone come across this before???
 
Man of Honour
Joined
13 Oct 2006
Posts
90,815
Probably not locking the PCI-e bus when increasing the FSB.

P5N 32 SLI and overclocking don't really go together tho IMO.
 
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