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ATI Hd 7950/7970 bios mod thread - Page 4

post #31 of 1284
It's a voltage editor program that someone made. It only works on non-boost bioses for now. It was mentioned in the first post of this thread.
post #32 of 1284
Would this work on XFX black edition 7870"s (voltage locked)?
   
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post #33 of 1284
Thread Starter 
Quote:
Originally Posted by ericeod View Post

That voltage is with no load or Powertune. With 1.219v, the voltage drops to 1.183v under heavy load, when it is folding. Maybe just round up to 1.22v for core.

As for limits, is it possible to set a Max OC of 1350MHz core and 1800MHz for the ram. I will be putting a water block on the card at one point.

Thanks again!
No problem i will fix after work in the morning.

Quote:
Originally Posted by jomama22 View Post

I will upload all 6 bios to you tonight. The reason for 6 is I have 3 different asic (1.05, 1.112, 1.175) each with their own ln2 bios.

These are launch day 7970 lightnings so are most likely the most "unlocked". A bit of info for you: ln2 bios does indeed keep all power stages on the entire time but this is the only "unlocked" part enabled for end users unless you have the newest AB MOA edition. Afterburner is completely locked down with 1.35v max/20% pt.

Also, the ln2 bios is is slower at the same clock speeds. There must be slower timings in both the GPU and mem, this is why I want the stock bios to obtain 50% pt.

Art money voltage hack works on stock bios, so the voltage limit is easily passed which leads me to believe pt can be unlocked as well. But the issue of using CCC/trixx comes into play.

Maybe using the /xcl method with CCC/trixx would work.m.
Yeah sounds about right. Send them over and ill set to what you need or want thx.
Quote:
Originally Posted by eliongater View Post

Would you like a 7950 boost vapor-x bios?
Sure.

Quote:
Originally Posted by robnitro View Post

Yes, I always update checksum (16 bit) by editing the bottom of the bios FF FF or 00 00 00 etc to match the original checksum.

Otherwise atiflash didn't let me flash (as at the time I didn't know about the -f option).

According to atiflash- they use a 16 bit checksum.

BTW, The voltage modding program from techpowerup does not correct checksum, I let the author know.

What kind of vdroop y'all getting with occt 4.4.0 dx11 360x360 + 480x480 shaders 5 error checking on?
My 1.18v drops to 1.10v ... 22-24 amps 12v in!
Mine drops from 1.094v to 1.050v and as low as 1.024v i have yet to test if raising vrm signal for voltage offsets this, im going to test this weekend. The tool also does not uncap voltage just changes Asic table values one at a time. If you were able to set all at once the voltage, vrm signal, and Asic would have a normal curve and not be all over the place.
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post #34 of 1284
Anyone Mod boost Msi Hd 7950 Twin Frozer III bios?????????????
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post #35 of 1284
Thread Starter 
Quote:
Originally Posted by yoyo711 View Post

Anyone Mod boost Msi Hd 7950 Twin Frozer III bios?????????????
Not yet. Post your stock image.rom List your Asic, desired clock, ram speed, voltage limit, ect. The more info the better. Things to note Msi Afterburner right now would not work with the new rom, you would have to use a different tool like Sapphire Trixx or Asus gpu tool or so on.
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post #36 of 1284
7950boost_vaporx_bios.zip 83k .zip file

My asic is 89.5%
Don't have any other info other than at 1ghz i need 1037 VDDC in trixx

EDIT: The bios with 9 at the end is from when the bios switch is not illuminated
Edited by eliongater - 6/4/13 at 9:20pm
    
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post #37 of 1284
Quote:
Originally Posted by kahboom View Post

Not yet. Post your stock image.rom List your Asic, desired clock, ram speed, voltage limit, ect. The more info the better. Things to note Msi Afterburner right now would not work with the new rom, you would have to use a different tool like Sapphire Trixx or Asus gpu tool or so on.

Thanks for the Info

my Asic 68.1% and desired clock is 1300/1680 1.30~1.35 voltage


Here is Stock Msi r7950 boost rom

Msi r7950 boost.zip 41k .zip file

Thanks again thumb.gif
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post #38 of 1284
I feel sorry for the people with Vdrop, mine always stays a consistent 1.225V throughout benchmarking.... including furmark

Kahboom is doing some excellent work with my BIOS. The Voltage has been successfully unlocked on a XFX 7950 DD (795A-TDJC Model) and I can run up to 1.225V just fine at the moment, but I wouldn't go any higher than that (Just a caution to other XFX users)

Now just waiting for the final release to maybe crack the memory voltage and to fix the idle voltage from 0.900-0.950V back to 0.800-0.850V
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post #39 of 1284
Hey Atomfix - I've got 4 of the same card as you - 795A-TDJC. I think I'm probably the only one on this thread who wants to actually undervolt for cooler running!

Each of my cards have wildly different ASIC qualities. In fact, they all seem to be locked at different voltages from stock - one decides it's running @ 1.169, one @ 1.125v and the other 2 run at 1.250v?!

Does your new bios allow undervolting?
post #40 of 1284
Quote:
Originally Posted by mousebat View Post

Hey Atomfix - I've got 4 of the same card as you - 795A-TDJC. I think I'm probably the only one on this thread who wants to actually undervolt for cooler running!

Each of my cards have wildly different ASIC qualities. In fact, they all seem to be locked at different voltages from stock - one decides it's running @ 1.169, one @ 1.125v and the other 2 run at 1.250v?!

Does your new bios allow undervolting?

Hey, You might have to ask Kahboom to do a custom voltage scale for you, or you could use Trixx or ASUS GPU Tweak to adjust 3D voltages?

If your 795A-TDJC runs up to 1.25V, then maybe mine will also, I'll have to ask Kahboom to adjust my voltages up to 1.25V

Are you able to get 1165MHz+ on the card that can do 1.25V?
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