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Author Topic: Cannot downclock memory on HD7950 lower than 625MHz - solved  (Read 2075 times)
Unclegogi (OP)
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May 28, 2012, 08:06:06 AM
Last edit: May 28, 2012, 09:05:32 AM by Unclegogi
 #1

Hello!

I have just bought two PowerColor HD7950 PCS+ for building new rig.
Problem is that I cannot downclock their memory lower than 625MHz.
625MHz is the best result using MSI AB 2.2.1 with UnofficialOverclockingMode=2.
I've tryed to restart MSI AB, but memory clock borders stay the same - from 625 to 2250MHz.
On 7870 and 5850 borders changed after restart...
I've tryed to manually modify profiles, but no clocks lower than 625MHz apply...

I'm using win 7 x64, Catalyst 12.4...

Any ideas?

UPD: Problem solved, I've just deleted folder /profiles in MSI AB folder, after next start it was possible to set clocks lower than 625MHz.
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bulanula
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May 28, 2012, 06:51:26 PM
 #2

Any way to get this same effect on Linux without flashing BIOS Huh
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May 29, 2012, 12:42:32 AM
 #3

Any way to get this same effect on Linux without flashing BIOS Huh
Is there a 7970 / 7950 Bios with modded clocks and voltages?

Revewing Bitcoin / Crypto mining Hardware.
ummas
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June 04, 2012, 06:08:43 AM
 #4

RBE is not supporting newer cards than 6990.
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June 04, 2012, 10:08:36 PM
 #5

RBE is not supporting newer cards than 6990.
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Seriously Shocked

How are you supposed to mine with 7970s on Linux then Huh How to downclock memory lower than core-125 mhz ?

Someone tell me there is a way please !
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June 04, 2012, 10:50:09 PM
 #6

Anyone know how to fix this? I can only clock down to 685mhz on the 7970.

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