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Bios HD6850

post #1 of 5
Thread Starter 
hi all,

is there any way to exract, modify and re-flash an original bios from an ATI HD 6850 (Asus) ?
post #2 of 5
Yes you can easily do this. You need to learn to use RBE bios editior.

RBE - Radeon BIOS editor
Tech Power Up
Quote:
Main Features
•Can display and change a lot of information strings inside the BIOS file, including Device ID and vendor ID.

•Accesses every PowerPlay state and can change GPU clocks, RAM clocks and voltage for each of them seperately.

•Displays the PowerPlay structure of the BIOS.

•Also displays the voltages the card can make use of.

•Can graphically display and modify four different fan controllers in a very comfortable way and automatically figures out which controller is used for a particular BIOS.

•RBE modifies the Overdrive signature of a BIOS to enable a higher overclocking limit. Signatures can also be extracted and saved to a file.

•Will make the annoying spin up bug some cards have vanish.

•Enables superior PowerPlay.

•Contains a profile editor for accessing hidden CCC panel features.

•Acquires and flashes BIOSes all from within RBE using the built-in WinFlash interface.




Tutorial on how to use RBE (Radeon BIOS Editor)
BAGZZlash | August 21, 2008
Quote:
0 - Table of contents

1 - Introduction - What does RBE do?

2 - Acquiring the BIOS

2.1 - Using ATIFlash
2.2 - Using WinFlash
2.3 - Using GPU-Z (most recommended)
2.4 - Using RBE/WinFlash
2.5 - Using other programs

3 - Using RBE

3.1 - Opening the BIOS file
3.2 - First steps - The information tab
3.3 - Diggin' deeper - The clock settings tab

3.4 - Something relaxing - The fan settings tab
3.4.1 - The LM63
3.4.2 - Built-in fan controller
3.4.3 - A derivative of the internal controller
3.4.4 - The ADT7473

3.5 - The additional features tab
3.5.1 - Overdrive hacking - Method one
3.5.2 - Overdrive hacking - Method two
3.5.3 - BIOS update features

3.6 - The CCC profile editor
3.7 - Other things about RBE
3.8 - Saving the modified BIOS file

4 - Flashing the BIOS onto the card

4.1 - Using WinFlash
4.2 - Using ATIFlash
4.3 - Using RBE/WinFlash
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My System
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CPUMotherboardGraphicsRAM
i7 3930k ASUS P9X79 Deluxe ASUS 7970 DC2T 32Gb G.Skill Sniper 1866 Cas10 
Hard DriveHard DriveHard DriveHard Drive
OS: Mushkin Cronos DX SSD Intel X25-M SSD Seagate HHD Samsung F3 
Optical DriveCoolingOSMonitor
LG BluRay x12 Noctua NH-D14 Windows 8 Pro 64 ASUS VW226H 26" x3 Eyefinity 
KeyboardPowerCaseMouse
Logitech G19 Seasonic 1250w 80+ Gold Silverstone Fortress FT02 Logitech G9X 
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ASUS Xonar DX 
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post #3 of 5

For 6xxx series cards only allow you to unlock sharders and voltage modification if the card has software voltage control and shaders to unlock. Other than that, it will immediately crash and BSOD.

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ケンジ
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CPUCPUMotherboardGraphics
i7-3960X i7-980X GA-X79-UD7 / GA-X58A-UD9 7970 + 465 
GraphicsRAMRAMHard Drive
2x 6990 + 580 16GB 2133 MHz 24GB 2000 MHz 120GB x 2 RAID0 
Hard DriveHard DriveCoolingCooling
120GB x 4 RAID0 Raptor 300GB x 2 RAID0 CPU-370 CPU-370 
CoolingCoolingOSPower
VID-AR699 EK FB X58A-UD9 Win 7 Ultimate x64 1500W / 1250W+1200W 
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post #4 of 5
Quote:
Originally Posted by Ken1649 View Post

For 6xxx series cards only allow you to unlock sharders and voltage modification if the card has software voltage control and shaders to unlock. Other than that, it will immediately crash and BSOD.

I guess the only card in 6 series with unlockable shaders is the 6950 - and not all versions of it.
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post #5 of 5
Thread Starter 
hi,

yes, for now i cant modify any clocks at my 6850 rolleyes.gif
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