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Bitcoin Forum > Bitcoin > Mining > Mining support > -1BTC reward-Lower voltage downclock for 7970 under Ubuntu 12.04
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Author Topic: -1BTC reward-Lower voltage downclock for 7970 under Ubuntu 12.04  (Read 1693 times)
Hrulia (OP)
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July 11, 2012, 04:38:23 PM
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Hello.Guys i need help.I cant change voltage on 5 7970 under ubunta 12.04. its unreal under win 7 i have 2700mh but from outlet 750-800wt (of course downclocked)and under ubunta the same 2700 and 1200wt from outlet.
AMDOverdriveCtrl not working why i dont know.Its started i change voltage but on killawat no changes.Sorry for my english.
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Lem
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July 13, 2012, 04:20:55 PM
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Sorry: no way to do it under Linux, unless you find a modded BIOS that suits your particular 7970 model, and you flash it.

Bye.
NLA
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July 13, 2012, 07:27:41 PM
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Wait, maybe I'm not understanding here. Are you saying that with Ubuntu you're using more power than with Windows 7? Sounds good to me.
If my post helped you in some way, please donate to 1NP2HfabXzq1BB288ymbgnLcGoeBsF7ahP. Smiley
Hrulia (OP)
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July 14, 2012, 10:57:21 PM
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Quote from: NLA on July 13, 2012, 07:27:41 PM
Wait, maybe I'm not understanding here. Are you saying that with Ubuntu you're using more power than with Windows 7? Sounds good to me.
I mean no tools to lower voltage so impossible to save some electricity.If no solution yet MODERATOR PLS CLOSE THREAD.
racerguy
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July 18, 2012, 05:52:57 AM
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probably more profitable to mine on default voltage with the 7970's
Hrulia (OP)
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July 21, 2012, 06:21:26 AM
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I have oc version .Default 1.175 v too high cards can work on 1 v with any problems it will be couple hundred watts economy  on 6 gpu rig
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