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Asus V7100 Pro SE no luck on a G4 350
Authored by: ejensen on Jul 26, '02 04:51:55PM

I think this is likely a heating issue. The graphics chip may not have sufficient cooling to run at the speed that the Mac ROM sets it to. I see this to some extent with the VisionTek GeForce2 MX400 5564 AGP card I am using- when I run for a long time with many apps, I begin seeing the artifacts and I think have also caused a computer crash. There is a small heatsink on the graphics chip on my card. I am going to try a fan next to the card to see if that stops the problem.

Another possibility is that the video memory chips are being run faster than their rated speed. This is a real issue with OEM cards and some retail cards. I believe the Apple card uses 5ns (ie. 200MHz) chips and many nVidia cards use 6ns chips, some even use 7.5ns chips.



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