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Problem underclocking my 6950
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Topic: Problem underclocking my 6950 (Read 1485 times)
mmbregman
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Problem underclocking my 6950
February 03, 2012, 01:16:05 PM
#1
Hey,
I'm trying to underclock my memory clock using MSI Atferburner, but it seems I can't underclock it.
First I overclocked the core from 840 to 900 and thought I underclocked my memory to 600, However, everytime I monitor it, the core clock seem to change but the memory is still at 1250.
Any ideas?
I'm using win7 64bit.
Thanks!
Dexter770221
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Re: Problem underclocking my 6950
February 03, 2012, 02:21:10 PM
#2
Use search button... This topic was present many times.
In short, you may underclock only 125MHz lower than GPU. So, 900MHz core=775MHz minimum memory.
Under development Modular UPGRADEABLE Miner (MUM). Looking for investors.
Changing one PCB with screwdriver and you have brand new miner in hand... Plug&Play, scalable from one module to thousands.
mmbregman
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Re: Problem underclocking my 6950
February 03, 2012, 02:23:07 PM
#3
Quote from: Dexter770221 on February 03, 2012, 02:21:10 PM
Use search button... This topic was present many times.
In short, you may underclock only 125MHz lower than GPU. So, 900MHz core=775MHz minimum memory.
I tried, went over 5 topics and didn't see a solution.
Thanks for the answer!
cypherdoc
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Re: Problem underclocking my 6950
February 03, 2012, 05:38:50 PM
#4
https://bitcointalk.org/index.php?topic=60530.0;all
jake262144
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Re: Problem underclocking my 6950
February 03, 2012, 08:28:21 PM
#5
There is nothing wrong with your card, it's just broken as designed...
Barring an unofficial hardware hack or gpu bios reflash there is little you can do.
For some obscure reason, when introducing the 69xx family of cards AMD decided to link their minimum memory clock to the current core clock: min_memory_clk = core_clk - 125MHz.
The 7xxx series is no longer affected by this weird limitation.
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