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How do you overclocke a Voodoo3 ?

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I have a 3dfx Voodoo3 2000 PCI, and I would like to know how to overclock this board !

All answers are appreciated !
if your familiar with regedit you can edit the registry to overclock the voodoo3. I have mine at 180mhz with this method.

go to RUN and type regedit hit enter

Expand these folders in this order.

Ok there will be a at least ONE folder under this with four digit #
mine is 0001
If you ahve had multiple video cards installed on the system there will a 4 digit # for each of them so you will need to find the one for the current card.
Now go to the Default folder listed below

Click on Edit and click to enter a new "string value"
name it GrxClock

right click GrxClock and select to modify it

enter the value data(clock speed) and click ok

congrats you have just manually o/ced your videocard.

Just take baby steps until you ahve a stable o/c without jaggies.
Tithulta, there is a little problem : in regedit, there are like 8 4digits folders in display. Which one should I choose !?!?