Voodooo 2 in game colour issue \ VOGONS

Voodooo 2 in game colour issue

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First post, by kiacadp

Posted on 2025-03-04, 08:43

kiacadp Offline

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Hello everyone. Just wondering if I could get some help with an issue that I have with my x 2 Vooddoo 2's - Diamond Multimedia.
The cards themselves are like new, I guess they've seen very little use, however, I have this colouring issue when playing Diablo 2.
It only seems to affect when there's "fire" on the screen, in game.
What I've tried: different drivers, different pass-through cables, connecting the monitor to the voodoo card directly, tested on 3 different motherboards - 2 with intel chipsets, one VIA, same result.
Now before I start reflowing things and possibly mucking something up, perhaps someone here has experienced this before and knows what the cause may be.
I've attached a picture with the issue.
Thanks.

Reply 1 of 6, by Alexraptor

Posted on 2025-03-04, 10:38

Alexraptor Offline

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Is the issue still present with SLI disabled, on any one of the cards?

Reply 2 of 6, by kiacadp

Posted on 2025-03-04, 11:56

kiacadp Offline

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Yes, the issue is still present when only one card is used, on both cards. However, not as pronounced. Both cards present the exact same issue. I think it's hardware related, a cold solder joint somewhere maybe...

Reply 3 of 6, by leileilol

Posted on 2025-03-04, 15:11

leileilol Offline

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Voodoo2 can get into a color overflow when you raise the gamma slider too much.

long live PCem

Reply 4 of 6, by Joakim

Posted on 2025-03-04, 18:01

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Seems strange that both cards would have the same hardware fault. Tested a different cable or monitor? tested with test software of some kind, test the colour palette.

Reply 5 of 6, by kiacadp

Posted on 2025-03-04, 21:43

kiacadp Offline

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Location: Australia

@leileilol - haven't changed anything really, it's all at default.
@Joachim - tested with 3 different cables, voodoo connected straight to monitor as well to eliminate that cause completely. CRT and LCD both show same issue. I'll search for software to test colour palette.

Reply 6 of 6, by kiacadp

Posted on 2025-07-26, 01:23

kiacadp Offline

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Location: Australia

Revisiting this to confirm that indeed the gamma and contrast sliders (the in game ones) were not set correctly and were causing the colour and garbled menu in Diablo 2.
There was also an issue were the image was getting slightly corrupted but moving the cards in the pci slots next to each other fixed it.
My cards are as new so it was indeed strange that both displayed the same issue. For good measure I did a hot air reflow of the chips and next will be an upgrade from 8Mb to 12Mb as one of the cards has only 8 Mb of memory.

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