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Unlocking the Sapphire X800GTO - 12 vs. 16 Pipe Adventure

By: Shawn Baker | AMD Radeon GPU in Video Cards | Posted: Oct 20, 2005 4:00 am

Modding Procedure for Sapphire X800GTO²


The first thing we did was make our way into ATI Tool (we used the latest stable version, 0.24 and a must for Radeon users) and make sure that the current pipes were set to 12 - You don't need to do this but we are using at a confirmation that the update is working as we go along.



The next part was the hardest part we found - hunting down a floppy disk and floppy drive did take some effort but once we found it, we used Windows and created a boot disk via the format option in My Computer.


Once this was done, we created a directory where we copied the files required for the mod on the floppy disk and once all this was done, it was time to reboot into DOS mode. Download the files required (the BIOS flash tool "Flashrom" and new mod BIOS) from here on our server - it's only about 130KB zipped. The new BIOS doesn't alter clock speeds - they will remain at default.


As the floppy disk kicks in and loads DOS, type in dir/w to show a list of the files and folders. Once we have a list, change to the directory that has the flash program and the BIOS by typing cd 16pipemod (the directory name might be slightly different since DOS doesn't support long file names).


Type in dir/w to get a listing of the files in the directory, which is for all you younger folks out there that might have not used DOS before now.



Once you are in the correct directory you can proceed with the BIOS flash mod by typing flashrom -f -p 0 X800GTO16P.bin. The file name may differ if you are using another version of the BIOS from somewhere else but these file and directory names are in reference to the file we're hosting.



Hopefully you see the same message as we did which means you can reboot your machine, make your way into Windows and load up ATI Tool again. If all was a success you will now have 16 pipes to play with.


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