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Underclocking my GPU?
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ChuNjeH
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Videocard: Sapphire X1900XTX 512MB
Processor: AMD Athlon 64 x2 3800+
Mainboard: Asus A8N-SLI nForce4
Memory: Patriot PC3200 2GB
Soundcard: Turtle Beach Santa Cruz
PSU: Antec NeoHE 500w
Default Underclocking my GPU? - 05-08-2007, 02:51 | posts: 360 | Location: San Francisco, CA

I have an x1900XTX and I really have quit all gaming. My question is this: Can I underclock the video card to maybe 350/340 in order to maybe lower the heat on the GPU because the weather has been hot and its been overheating... all I do on my computer is chat/email/web browse/music/watch tv shows/word documents. all of which I dont think really uses the video card? someone help me out!
   
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UG_PL
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Videocard: Asus HD3850 512MB @ 770Mhz/925Mhz
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Default 05-08-2007, 03:14 | posts: 1,461 | Location: Allen,Texas

Yes,Download RivaTuner from guru3d.com
It will allow you under clock both,Core and Memory.
   
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Landazar
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Default 05-09-2007, 06:16 | posts: 65

I have a question aswell regarding this heat issue ( man its hot here )

Sometimes my card is overheating while im playing and i see the signs of it, Is there some kind of way to change the fan speed of my x1900GT sapphire ?

Thanks.
   
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vidra
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Videocard: MSI GTX670OC@26"Samsung
Processor: Core i5 750 @3.6GHz/1.26V
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Default 05-09-2007, 10:47 | posts: 2,447 | Location: Novi Sad, Serbia

@ Landazar - Ati Tray Tools will let you do that in detail (different speeds for different temperatures).

@ ChuNjeH - You could also try undervolting your GPU in addition to underclocking it. That should really lower your temps. Or you could install air conditioning
   
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dukedave5200
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Videocard: BFG GTX 285 OCX - SLI
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PSU: Blackwidow 850w
Default 05-09-2007, 12:21 | posts: 3,198 | Location: Central PA

At 2d clock speeds your gpu really should not be overheating. Even in a really hot room.

Have you looked to make sure it isn't clogged with dust? Unstead of underclocking perhaps just use one of the applications mentioned above to manually increase the fan speed...
   
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JimmyFox
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Videocard: 2x ATi Radeon HD4830 CF
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Default 05-09-2007, 14:34 | posts: 653 | Location: Athens, Greece

I don't see the need of underclocking your X1900XTX.
When a 3d application is not running, the card underclocks itself to 2D clocks (which are pretty lower than 3d clocks) and reduces the FAN's rpm to minimal levels.

If the Fan is still loud when in 2D mode (which i doubt...), you can lower the rpm even further using Riva tuner or ATi Tool.
   
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