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Author Topic: undervolting 5850  (Read 2512 times)
racerguy
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November 18, 2011, 01:04:58 PM
 #1

Starting to get hot here so I need to underclock/undervolt my 5850 to stay under its 75c target i've set.  Anyone have any experience undervolting there cards? What volts did you go to etc.
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November 20, 2011, 02:41:27 AM
 #2

What's the stock voltage? 1.1v or so? Drop it to 1v, then test lower clocks to see where you are stable. Alternately you could just lower the clocks a bit, and it should run cooler.

racerguy
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November 20, 2011, 03:39:45 PM
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for anyone else interested 1.00v seems to be ok with core clocks up to 830 and mem clock at 200.
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December 04, 2011, 09:28:12 AM
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how did you undervolt it? thanks

Depending on you VRM and card (ref/non ref, rev., bios limits) try msi afterburner, trixx, barelyclocked, clocktweak or simply radeon bios editor (best, but risky if you're not careful)
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December 04, 2011, 09:30:03 AM
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how did you undervolt it? thanks

Depending on you VRM and card (ref/non ref, rev., bios limits) try msi afterburner, trixx, Ati tray tools, barelyclocked, clocktweak or simply radeon bios editor (best, but risky if you're not careful)
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December 04, 2011, 04:54:41 PM
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how did you undervolt it? thanks

I used cgminer.
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