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General Liquid/Water Cooling Discussion For discussion about Full Cooling System kits, or general cooling topics. Keep specific cooling items like pumps, radiators, etc... in their specific forums. |
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#1 |
Cooling Neophyte
Join Date: Mar 2005
Location: MI
Posts: 34
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I had problems with the stability of my video card (9800pro, artifacts at stock clocks), RMAed it, and they seemed to go away. It's got decent cooling (vga silencer), but it still shows artifacts when running atitool.
Anyway, I recently upgraded my cpu/mobo, and things got much worse. The stock clocks are 378/338 ddr, but atitool won't run without errors until I drop that to around 370/300. The thing is, I play stock clocks in counterstrike source and barely notice anything. Doom3 however has "glitter" everywhere. Apparently this is a rare occurrence? I posted this on ati/video sites and got no help. My guess/hope is that it's a problem with my power supply, since it got worse (I think) with the upgrade to amd 64. I have a plain vanilla antec 400W psu, which I would think would be sufficient. I may try tonight to heavily underclock the cpu clock/vcore and see if the video improves. Otherwise, an ocz modstream 520 is on the way. Last edited by andy497; 03-29-2005 at 12:52 PM. Reason: spelling |
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#2 |
Cooling Savant
Join Date: May 2003
Location: Wakefield, West Yorkshire, UK
Posts: 486
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I would say that PSU isn't sufficient and your description of your problem makes that all the more apparent. Upgrade the PSU to a non-Vanilla Tagan / OCZ / PCP&C / Other reputable named brand.
Simplest test... borrow a better PSU, and if that doesn't work, hang an extra 80mm fan beside the card blowing over the ram as memclocks seem to be suffering the most.... also, check contact / thermal compound used for the VGA Silencer contact against ram... |
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#3 | |
Cooling Neophyte
Join Date: Mar 2005
Location: MI
Posts: 34
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#4 |
Cooling Savant
Join Date: May 2003
Location: New Smyrna, FL
Posts: 258
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Doom seemed to bring out artifacts in my 9800p at lower speeds than other games. You may just have a lousy chip. I'm going to assume it runs fine in doom under stock speeds. Is it a 350 or 360 core? If the latter, what are your temps?
Try reseating your card in the agp slot and or the VGA silencer and/or swap PSU's. Don't trust MBM for voltages. |
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