system voltages

[grumpyboy]

Hi thanks for reading the the post.
Ive just Overclocked my e6600 to 3200 mhz by adding ddr2 800mhz.
And setting System Clock to 400 mhz with a x8 mulitplier. With 1:1 memory/system clock ratio.

Im using a zalman CNPS9500 cooler.

Ive my idle temp is 39 c and 60c under full load.

I think this is a bit hot so I checked my V Core and out it is 1.41 ive heard 1.35 is the highest you should set it?

However my System Voltage Control (Auto) is turned on in my BIOS
Im a bit scared to turn off system voltage control
since I dont understand the other settings.

DDR over voltage control (values range from 0.25 v to 0.47 v)
PCI-E over voltage control (values range from 0.5 v to 0.47 v)
MCH Over voltage control (values range from 0.05 v to 0.75 v)
FSB Over Voltage Control ( values range from 0.5 v to 0.35 v)

Any ideas?

 

[PCTC2]

1.35v is stock. 1.41 is fine. 39/60 is fine, but it's probably about as high as you want to go. But you probably can try backing down on the voltage until you get instability and then bump it back up one setting. The Zalman is a good cooler for stock speeds, but it loses it's ability to cool on high overclocks rather quickly. I had that problem with my 9700 Zalman. I switched over to a Thermalright Ultra-120 until I can afford watercooling.

DDR overvoltage allows more voltage to the RAM when you start failing memtest or try to overclock the RAM. Also, if your RAM requires more voltage than given by the board's auto/default.

PCIe... don't know why you need to bump that... sorry.

and MCH is your northbridge/chipset, which you would also need to bump up if you overclock your RAM and start getting instability.

FSB you can bump up when you start trying for higher FSBs and start getting instabilty.

For all of them, you would want to bump up really slowly.