MSI HD 6850 Power Edition OC R6850-Cyclone-1GD5-Power-Edition/OC UEFI rom
MSI HD 6850 Power Edition OC
R6850-Cyclone-1GD5-Power-Edition/OC
https://drive.google.com/open?id=1WdAlwe9cggPQgZGfaIoM_cefZ2oRTmwY
http://www.overclock.net/t/1353325/tutorial-atiwinflash-how-to-flash-the-bios-of-your-ati-cards
http://www.overclock.net/t/1389206/do-you-want-uefi-gop-on-your-7950-7970-i-can-add-it-to-your-bios/120#post_20172963
Basically hex edit the bios
At the beginning of the bios around 00000220 (every bios different) you will see at the right: PCIR € € AMD ATOMBIOS
So in hex the € is 80, change the second €/80 to 00
This toggle makes it see a UEFI Gop partition in the bios, 80 is no gop 00 if gop
Then scroll down to 00010000
This is where gop bios starts, copy and paste a gop bios from a working rom into here
atiwinflash -f -p 0 "NAME of the BIOS".rom
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