Overclocking decreasing video performace?

D

Dutch

Limp Gawd
Joined
Aug 10, 2004
Messages
268
I'm overclocking a P5B Deluxe/E6400 @3.2 GHz with 2GB RAM and 7900GTO.

When I overclocked @ 2.8 my 3DMark06 score was 6300.

Now stepping up to 3.2 the score dropped to 3165 but the CPU score was up 400 points.

Do I need to increase/decrease the PCI express frequency. It is currently at 100.

Here are my other settings in bios...

1.312 vCore
PCI clock synchro locked @ 33.33
FSB Termination vCore 1.4V
NB vCore 1.45

What do I need to change to catch my video card back up with CPU?
 
Yeah, sometimes the board boots up with the wrong PCIe speed... Make sure it's at least 8x, or even 16x...
 
usally it will start with 16x but sometimes after overclocking it will downgrade it to 1x
 
I bet the card's bandwidth is decreasing to 1x. Check the mainboard tab in CPUZ.
 
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