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AMD release HD 7970 Ghz bios upgrade for Reference HD 7970 !! - Page 34

post #331 of 390
Quote:
Originally Posted by p3t0r View Post

Interesting.

Your Tahiti.rom file flashed OK. booted OK. But clocks were stock in GPU-Z?! :/

EDIT: I might try with newer drivers (currently on 10.8)

they should be stock its not a ghz bios its a unlocked stock bios that has no limits on core and memory so you can overclock the cards higher.
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post #332 of 390
Quote:
Originally Posted by Bal3Wolf View Post

they should be stock its not a ghz bios its a unlocked stock bios that has no limits on core and memory so you can overclock the cards higher.

Interesting, can you elaborate on this please mate?
What GPU is this Bios from and whats been modified in it?
post #333 of 390
Quote:
Originally Posted by Stu-Crossfire View Post

Quote:
Originally Posted by Bal3Wolf View Post

they should be stock its not a ghz bios its a unlocked stock bios that has no limits on core and memory so you can overclock the cards higher.

Interesting, can you elaborate on this please mate?
What GPU is this Bios from and whats been modified in it?


It's an early release unlocked clocks bios. It's basically what the pro clockers used early on during release when they were going after the world records. It's cool but it doesn't unlock voltage and not many ppl overclock in Overdrive so it's usefulness isn't as great as you would think it to be. The pro clockers of crouse hard modded the cards to bypass all safeties so the utility to them is much greater. For normal ppl, you still have to get voltage control and as a matter of course, you unlock clocks as well when you unlocked voltage. Much ado about nothing, though you could probably use the unlocked asus bios on a reference card and use OM, aka xcl to great effect.
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post #334 of 390
Quote:
Originally Posted by Bal3Wolf View Post

they should be stock its not a ghz bios its a unlocked stock bios that has no limits on core and memory so you can overclock the cards higher.

Quote:
Originally Posted by Stu-Crossfire View Post

Interesting, can you elaborate on this please mate?
What GPU is this Bios from and whats been modified in it?

Quote:
Originally Posted by tsm106 View Post

It's an early release unlocked clocks bios. It's basically what the pro clockers used early on during release when they were going after the world records. It's cool but it doesn't unlock voltage and not many ppl overclock in Overdrive so it's usefulness isn't as great as you would think it to be. The pro clockers of crouse hard modded the cards to bypass all safeties so the utility to them is much greater. For normal ppl, you still have to get voltage control and as a matter of course, you unlock clocks as well when you unlocked voltage. Much ado about nothing, though you could probably use the unlocked asus bios on a reference card and use OM, aka xcl to great effect.

You don't need (have) the Overclocking Range Enhancement with this BIOS like the UNOFFICIAL overclocking mode in MSI AfterBurner, because AMD Overdrive is unlocked to 2000/2500MHz.
ASUS OC Test Bios with working Clockstates



I prefer to force my 2D Power State with this BIOS
post #335 of 390
doh.gif


No said you need to use UOM with that bios.
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post #336 of 390
Quote:
Originally Posted by p3t0r View Post

Interesting.

Your Tahiti.rom file flashed OK. booted OK. But clocks were stock in GPU-Z?! :/

EDIT: I might try with newer drivers (currently on 10.8)

Both my 7970 OC (797OC-3GD, rev 2.1) are voltage locked and the ASIC is around 60% so overclocking is out of the question. mad.gif
How was the new bios on your card, stable, voltage locked? Which rev and ASIC?
post #337 of 390
So your saying that the ASUS bios will allow for better over clocking at the stock voltage and the GHz edition bios doesn't overclock as well? I've tried reading a lot of this thread but it is long as hell.
post #338 of 390
Any adventurous souls want to try that Asus test Bios? I heard something somewhere about the vdroop being less on it than on a 'normal' bios or ghz edition Bios and it overclocking better due to less vdroop. Someone actually feel like testing that?
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post #339 of 390
Quote:
Originally Posted by Falkentyne View Post

Any adventurous souls want to try that Asus test Bios? I heard something somewhere about the vdroop being less on it than on a 'normal' bios or ghz edition Bios and it overclocking better due to less vdroop. Someone actually feel like testing that?

It just has unlocked clock limits in overdrive.

Quote:
Originally Posted by polarbeardav View Post

So your saying that the ASUS bios will allow for better over clocking at the stock voltage and the GHz edition bios doesn't overclock as well? I've tried reading a lot of this thread but it is long as hell.

Ghz bios is locked to 1.25v so it's not much fun and frankly I don't see a point in anyone flashing to it or buying it pre-flashed either.
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post #340 of 390
1.25v? Mine is 1.187v (vs 1.175v on the original stock bios). Also a sapphire reference card bought on day 1 of release.
CCC and GPU info *think* Its 1.25v (1.256v) but Troxx correctly shows 1.187v, and GPU-Z shows it realtime as about 1.170v sensor if there is no GPU load on the card when its at boost speed. (The 1000 mhz "non boost" voltage (1000/1500 setting) is 1.131v; which older Trixx pre 4.4 beta thought was the full 3d voltage on ghz cards so you couldn't really use that).

Why is it enforcing 1.187v when the CCC (bios?) thinks its 1.256v? (unlocked of course)
The CCC Tries to send 1.256v in the overdrive XML file, but the Trixx slider has it 1.187v.
Changing the voltage doesn't seem to do much except make the card run much hotter. Gputook will show artfiacts counts at 1150 mhz if the temp exceeds 90C.
At 1200 mhz, the artifacts start at 74C. Raising the voltage just makes 74C happen faster. Lowering it can cause a driver recovery. (1150 mhz @ 1.150v will cause BF3 to VPU recover and crash). 1150 is my reasonable max limit and is nice and stable if I keep the temps down (85C or lower with the 1.187v). 1200 mhz is possible in older games, but the FPS boost is like 4 FPS in something like Path of Exile...not worth it.

Despite the core maxing out at 1150'ish, Memory overclocks quite well (without dropping performance; tested in Valley benchmark) to 1700 mhz.

ASIC is 74%.

About the Asus:
I saw posts awhile back saying that vdroop is less on the Asus Bios, but I don't know if anyone has actually compared a flashed asus bios to the stock for vdroop....
Edited by Falkentyne - 2/25/13 at 6:22pm
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