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 3dfx Hardware & Software
 Voodoo2 Setup and tweaking
 A bit about V2 SLI (and mismatched)
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avengerx
Novice

Brazil


23 Posts

Posted - 07/01/2005 :  21:43:49  Show Profile  Visit avengerx's Homepage  Send avengerx an ICQ Message  Click to see avengerx's MSN Messenger address  Reply with Quote
Through my experiences with one Diamond and other Genius v2 cards, plugged in SLI (i've done a bigger SLI cable for linking both cards, cause diamond's SLI connector is badly posed into the card -- just cut from diskette flat cable and inverted the center six or four wires), I realised something interesting.

In general, what you would expect of the output, is to plug your 2d card onto the nearer v2 through the pass-thru cable, and then plug in one voodoo to the other, and the last v2 get's the monitor's cable. So you play Soul Reaver, GTA2, and such D3D-mode games, with no problem. Even the DXdiag tests (until dx8.1) are shown with no problem, and you really get the 1024x768 res on the games (proving that the SLI is working).

But, then, install Quake 2, and get a pretty black screen... although you hear everything into the game... What to do? Panic?.. No... Just plug your monitor to the first v2 card, and you'll see the game there, running at 1024x768... That seems to prove that the output of SLI will not be made on the last card... But perhaps both at the same time in some circumstances (that for sure is not that the Quake2's minigl drivers offer). The only weird Thing that I didn't notice in any other games is a 'parity' latency... Looks like 'even lines' are 'faster' than the odd ones... But this may be due to frequency differences between the two mismatched v2 cards I own... Although in every other (D3D) games I played, not even in hard screen consuming times I've noticed such 'shady' motion.

Have anyone put quake2 to work with the OpenGL (not 3dfxgl) drivers to work? It seems to prefer my SiS530 board than the voodoo2 adapter...

Manuelson
Average

Italy


111 Posts

Posted - 11/01/2005 :  00:22:14  Show Profile  Visit Manuelson's Homepage  Reply with Quote
you shold set each the voodoo2 at the same frequence.. (97 mhz I suggest.. try with voodoo2 OC.. :-)

I solved so the problem with quake 2.. (maybe..I don't remember..I dont't have mismatched SLI by one year)..

Powered by ALL Voodoo..
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avengerx
Novice

Brazil


23 Posts

Posted - 11/01/2005 :  02:42:55  Show Profile  Visit avengerx's Homepage  Send avengerx an ICQ Message  Click to see avengerx's MSN Messenger address  Reply with Quote
I'm using 93MHz on both cards cause i've seen somewhere that anything greater than this will need additional cooling, and I don't have even space for cooling (even with bare heat dissipators). But I've didn't notice that both are at the same clock, once the properties tab have only gauges for one card... I assumed it clocked both the cards... so, do I have to do something to assure that both are at same clock?
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Manuelson
Average

Italy


111 Posts

Posted - 11/01/2005 :  11:09:38  Show Profile  Visit Manuelson's Homepage  Reply with Quote
I dunno.. hovewer, I have 6 voodoo2 and all of them runs pretty well at 97 mhz..

Powered by ALL Voodoo..
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avengerx
Novice

Brazil


23 Posts

Posted - 02/02/2005 :  19:07:49  Show Profile  Visit avengerx's Homepage  Send avengerx an ICQ Message  Click to see avengerx's MSN Messenger address  Reply with Quote
When u use voodoo2 oc, and set the gauge to 97MHz, are you changing BOTH sli cards to 97, or there's some trick to assure both cards are in the same clock rate?
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