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P170EM with HD7970M vbios flashing issues (and OC issues)


Aikei

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With ATIFLash 4.07 i have this error :( (afold.exe it is atiflash 3.99, and afnew.exe it is atiflash 4.07 the same error in any keys for run)

[ATTACH=CONFIG]8524[/ATTACH]

Im having the same error trying to save my 7970m Bios from EM. Any Luck yet Aikei?

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hi all, sorry for my awful english

I can't dump my HD7970M vbios (Image in attachments), and i cant flash any vbios :( Anyone haves this troubles?

[ATTACH=CONFIG]8521[/ATTACH]

Ok, changing to freedos allowed me to get to this message, bu still cant save the bios :\ want to edit the clocks of 7970m

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I found stock values in my vbios:

How to do that (similar Russian guide here):

You need use any Hex editor:

Stock clocks is: 850Mhz for Core and 1200Mhz for memory

850 * 100 = 85000, convert this from Decimal to Hex = 14C08, reverse = 084C01

1200 * 100 = 120000, convert this from Decimal to Hex = 1D4C0, reverse = C0D401

Searching for string 084C01C0D401 in your vbios, and seem:

p170em_7970m.1375427133.jpg

Changing to you values (convert from dec to hex using similar method)

But atiwinflash says CRC checksumm is corrupt, and atiflash for dos can't flash vbios for P170EM (looking first post) :(

How to change checksumm for modified vbios file? :(

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I did it. I was able to flash the increased clocks in my HD7970M.

I will write a guide, but I need help to adjust to the English language, I'm from Russia, my English is bad :)

Please Aikei share with us! thanks alot m8!

I will glady help to tranlate even thou i dont know anything about russian language :P

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  • 5 months later...

Hi Aikei

Can you tell me how you made on your clevo clocks 2Gb Radeon HD7970M (1.055v 1000/6000Mhz) .For me it`s not possible.I have a clevo 170em with same cpu&gpu but i don`t now how to made that.Can you help??Will be very usefull for BATTLEFIELD 4 :)

Regards,

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  • 2 weeks later...

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