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AMD release HD 7970 Ghz bios upgrade for Reference HD 7970 !! - Page 4

post #31 of 364
7/13/12 at 10:30am
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Quote:
Originally Posted by tsm106 View Post

Yea, bios is good for your asic. Gives you another 45mv ish to start with.

Does that give me extra headroom for the +.125v over stock voltage? My stock being 1.049v > 1.174v to now 1.093v > 1.218v ? If so then that's pretty good IMO, no?
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post #32 of 364
7/13/12 at 10:43am
Quote:
Originally Posted by Hambone07si View Post

Does that give me extra headroom for the +.125v over stock voltage? My stock being 1.049v > 1.174v to now 1.093v > 1.218v ? If so then that's pretty good IMO, no?

In theory yes. I haven't tested it in practice but it should work out just like that.
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post #33 of 364
7/13/12 at 10:45am
I was saving up for a PowerColor 7970 Vortex @ 1100 but i figured with this leaked ghz bios performence would be similar at a way lower price for me (give or take 50 euro price difference) so i just went ahead and bought the Club3D 7970 Royal King. Should be arriving here tomorrow. I checked if it had the dual bios and it does so ill def update this thread if im succesfull or not.

Cheers,

Prog
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post #34 of 364
7/13/12 at 10:46am
Thread Starter 
Def stable for me, BF3 session, 3D mark 11, and Furmark all stable.. 2 in crossfire are destroying BF3 @ 2560 x 1440 @ stock clocks smile.gif.
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post #35 of 364
7/13/12 at 10:53am
interesting ....
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post #36 of 364
7/13/12 at 11:36am
Holey moley, have not tried the core overclocking yet, but before in xfire I would hard crash past 1650 on the memory(one card is holding both back), regardless of volts applied.

With the same volts I have so far got to 1850 and benched 3dmark11 (good for memory stability) and crysis 2. So far working perfectly. I don't think I will clock any higher, will leave at 1800mhz and have volts at 1650.


Stock volts this is how unigen looks running

491
Edited by Newbie2009 - 7/13/12 at 11:51am
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post #37 of 364
7/13/12 at 12:08pm

The memory timings could have been increased in exchange for clock speed. 

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post #38 of 364
7/13/12 at 12:11pm
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Nice Newbie!! Bring up that core clock and see if you get better 3dmark11 scores than you did with your previous core and memory overclock. Use same core as you have run before with your new mem speed. That will tell somewhat whether the latency is higher on this bios. If the timings are loser, the numbers should show. Do you have a result before like 1200/1600 vs new bios with 1200/1800
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post #39 of 364
7/13/12 at 1:11pm
Bad news, I cannot change any volts for the core at all. So this is fail.
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post #40 of 364
7/13/12 at 1:25pm
Not working with ref sapphire cardz i have three flashed all 3 with atiflas cause the other thing through windows could not recognize my card and everthing stays big and all driver not working want driver will not recognize my cards so its a fail does not work on all cards
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