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What causes this?

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[F8]

Gawd
Joined
Jun 11, 2003
Messages
991
I just got a new AMD64 3200+ 90nm chip, and whenever I overclock to a certain point, I start to see flickering in 3D games. Is this due to heat, or do I need to increase my vcore? My temps don't seem to go above about 50C. My vid card is clocked to 400/1000 with NV5 and my temps are not hot at all. I don't think its my FSB, because 9x250 gives me no problems, but 10x250 or 9x260 I get the flickering. Any help?
 
did you make sure to lock the PCI/AGP timings? if you dont lock these timings, some boards will increase these timings and cause conflicts and artifacting. best to keep them locked tight.
 
Yeah it's not that, because the problem doesnt exist at 9x250, only 9x267 or 10x250, I'm guessing its either heat or voltage too low but I don't want to kick up the voltage too high.
 
I wish this stupid bios would just list the voltages as they are rather then 3.3%, 5%, etc. Right now I'm at 9x250 with 1.45 volts. I tried up to 1.6 volts to get 10x250, it posts and runs fine, but has artifacts in games. I was questioning whether it might be that the video card is artifacting since there is less of a cpu bottleneck when I go to 2.5ghz, but since I have the vga silencer and 400/1000 clock on the 6800gt, I'm pretty sure it's the cpu. Cpu temps don't seem to go over about 51C. Although, I need to check my vgpu temps, possibly the location of the northbridge is giving off heat to the video card.
 
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