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Over/underclock 5870 on Linux without limits?

Fresh7 days ago
Mar 15, 20263590 views
Confidence Score0%
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Problem

I want to downclock my ATI Radeon HD5870's memory to 300Mhz and overclock it's core frequency to 930Mhz. I can do this on windows using ATI Tray Tools. On Linux, the only way to do this so far has been to use ATI Overdrive: As you can see, the problem here is that it won't let you select anything t…

Error Output

$ aticonfig --odgc

Default Adapter - ATI Radeon HD 5800 Series
                            Core (MHz)    Memory (MHz)
           Current Clocks :   …

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1 Fix

Canonical Fix
Unverified Fix
New Fix – Awaiting Verification

Fix for: Over/underclock 5870 on Linux without limits?

Low Risk

You can unlock the limits downwards using AMDOverdriveCtrl. In the overdrive tab, set the Low, Mid and High values at 300MHz for memory. After that you will be able to use aticonfig to set memory clocks at 300MHz.

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Environment