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 3dfx Hardware & Software
 Voodoo4/5 Setup and tweaking
 Voodoo5 4ns memory mod
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447 Posts

Posted - 29/06/2013 :  16:58:22  Show Profile  Visit m14radu's Homepage  Send m14radu a Yahoo! Message  Reply with Quote
I proudly present my new baby :)
It's a voodoo5 with 4ns memories, swapped from a GF2 asus v7100 pro.

Many thanks to Komponent for this amazing mod !

The card in her glory !

The original cooling is very weak.
With it max overclocking was 192Mhz. Target was at least 200Mhz :)

The next step was to change the coolers with other ones, bigger.

Notice the black higher coolers.

The results were unfortunately the same...max 192Mhz.

Next step: removing the heatsink !
Card was cooled down in the fridge and heatsink were carefully removed. A lot of emotion in this moment :D

I found a lot of nasty paste....

My aluminum cooler :)

Also with 2x80mm fans no better results were achieved >:(
Max Overclocking was 193Mhz.

The voltage was set from 2.8V to 3.2V - no change !!!

The card gets very hot, so that a proper cooling is very important !
Below the errors I get ( horizontal lines ):

The next planned step is to use 2 cooper coolers with arctic silver 5 paste :)
For the rear of the card, I want also to attach a heatsink. Any recommendation for the front and back coolers ?
How far can I go with the voltage rising ? Up to 3.3 V ?

Fell free to comment the project.
Any idea are welcome :)


It seems that I choose not the best overclockable voodoo.

Modding is finish !

I manage to mount the cooper coolers.
With this cooper coolers the card could be pushed to 195Mhz. Even if the voltage was rised up to 3.3V, 196Mhz were not possible.

Now was time to improve the cooling on the back of the card.
The area behind the VSA get very hot.
On the back of the card I mount those tiny heatshink.

And, yes ! I reach 200Mhz stable !
:D :D :D
Voltage must be 3.26V to run stable.

199Mhz are stable with 3.17V.
201Mhz was no stable even if I rise the voltage to 3.3V.

Follow your dreams !

Edited by - m14radu on 29/06/2013 20:24:16


447 Posts

Posted - 30/06/2013 :  08:16:55  Show Profile  Visit m14radu's Homepage  Send m14radu a Yahoo! Message  Reply with Quote
Here are some benchmakrs results:
CPU was running @2.3Ghz.



Follow your dreams !
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125 Posts

Posted - 30/06/2013 :  14:35:46  Show Profile  Visit goriath's Homepage  Reply with Quote
I have already seen that aluminum cooler; maybe someone at VA board made it.
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447 Posts

Posted - 30/06/2013 :  15:02:36  Show Profile  Visit m14radu's Homepage  Send m14radu a Yahoo! Message  Reply with Quote
yes, feinripp from VA forum did this cooler, and sent me the initial drawings.
I post it here:

including the improved drawing with all needed values, so that anyone can build one :)

Follow your dreams !

Edited by - m14radu on 30/06/2013 15:03:21
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36 Posts

Posted - 01/07/2013 :  05:09:59  Show Profile  Visit Komponent's Homepage  Reply with Quote
I'm sure that with better back cooling you could go to a higher clock, so keep up the good work and let us know when there's news
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