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Author Topic: Downclocking memory on 6870 - does not follow peak  (Read 1556 times)
Rush
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May 17, 2011, 12:04:33 PM
 #1

Code:
bitcoin@linux-xw6u:~> aticonfig --odgc

Default Adapter - AMD Radeon HD 6800 Series
                            Core (MHz)    Memory (MHz)
           Current Clocks :    990           [b]1050[b]  --\  [i]okay ... the peak is 150 but the memory sets to 1050 anyway - why?[/b]
             Current Peak :    990           [b]150[/b]   --/
  Configurable Peak Range : [400-1100]     [150-1260]
                 GPU load :    99%
Any ideas how to fix the above? Having memory clocks in 500 Mhz range and other values does not help. Memory stays at 150Mhz only if idle.
I was using AMDOverdriveCtrl to set the clocks, but setting them with aticonfig does not help as well.

Please help, the cards are kind of hot. Tongue I was hoping to lower the temperature by lowering memory clock.
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chaud
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May 17, 2011, 04:01:40 PM
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Is it an XFX version? I have the same issue.
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May 17, 2011, 04:05:54 PM
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Try 100 below the core clock.
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May 17, 2011, 10:54:56 PM
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Oh much thanks!! 100 below clock works. Any idea why it works this way? Can it be overcome somehow? The card was manufactured by Gigabyte.
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May 18, 2011, 01:11:15 AM
 #5

I don't know why it's like that, but I was able to get to 300 using MSI Afterburner on Windows.
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May 18, 2011, 01:20:43 PM
 #6

try 1020 core 344 mem, works great for me! my 2 6870 together give me 625 Mh/s

167q1CHgVjzLCwQwQvJ3tRMUCrjfqvSznd Donations are welcome Smiley Please be kind if I helped
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