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mockingbird

Member
Joined
Dec 14, 2021
Messages
11
I'm looking for someone to reball my Voodoo3 3000. I will of course pay for shipping and return shipping plus the work. Please PM me with your price. Interesting trades also offered. Thanks
 
I replaced the ram with brand new ICs, still the same issue (artifacts). So either the GPU is faulty or the chip needs re-balling.
 
More than just bad balls or a bad ASIC can cause artifacting. Check all of the passives, like the resistor networks and SMD caps. Also make sure there aren't any damaged traces.
 
More than just bad balls or a bad ASIC can cause artifacting. Check all of the passives, like the resistor networks and SMD caps. Also make sure there aren't any damaged traces.
I re-balled the GPU myself, turns out that either you're right or the core is defective. I'm betting the core is defective.
 
Did you verify the RAM is good? Any of the RAM chips being bad will cause artifacting. Also check the core voltage, it could be the ASIC is degraded or was barely passing muster to begin with. You can try bumping the core voltage up a bit and see if the card gets stable, but I'd replace the memory first. Try replacing one chip at a time and testing in between.
 
Did you verify the RAM is good? Any of the RAM chips being bad will cause artifacting. Also check the core voltage, it could be the ASIC is degraded or was barely passing muster to begin with. You can try bumping the core voltage up a bit and see if the card gets stable, but I'd replace the memory first. Try replacing one chip at a time and testing in between.
Thanks, but I ruled out the ram already (replaced all ICs with new parts from a reputable source). I dropped the clock to 100Mhz -- didn't help. Yes, I should check the output voltage from the regulator -- good idea... Pretty certain at this point that it's the core though...
 
Thanks, but I ruled out the ram already (replaced all ICs with new parts from a reputable source). I dropped the clock to 100Mhz -- didn't help. Yes, I should check the output voltage from the regulator -- good idea... Pretty certain at this point that it's the core though...

Sounds like it. Most Voodoo3 cards were grossly undercooled and ran hotter than the blazes of hell. It wasn't unheard of to hear the heatsinks melting through ribbon cabling that was touching them from the extreme heat in the badly ventilated hot boxes of the day.

I have one Voodoo3 2000 where the black heatsink turned purple over time from the extreme heat. Needless to say that it's not reliable anymore.
 
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