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**Please help need stock bios copy 6990 slave

post #1 of 2
Thread Starter 
Hello, I was using RBE to try to flash my 6990 bios memory clock speed down lower than 650, I backed up my bios to make sure no problems, all went well and i flashed both the master and the slave and rebooted. ALL PROBLEMS FROM HERE, tried reinstall drivers and blue screen BSOD every time, rollbacks etc etc.

This was done with overclock switch ON.

I think I there is two bios you have to save with OVERCLOCK ON (master/slave) I only saved the master bios I think !!

I reflashed back to old master bios, flashing worked, but flashing the slave with the same bios did not work, and reboot everytime gives bsod or blank screen and reboot needed.

Now if i switch the OVERCLOCK OFF switch back to default, everything boots fine and I can use the card no problem. But i need overclock ON.


Any insight into fixing this would be great, If anyone has a 6990 and can give me a copy of the stock (OVERCLOCK SWITCH ON) master + slave bios so i can reflash this back and use overclock again (can be done with atiflash software "atiflash -s" or with RBE).

Any help would be much appreciated and donations given. Thank you.

edit: I have the Sapphire Radeon HD6990
Edited by oyster2000 - 5/15/11 at 9:28pm
post #2 of 2
Thread Starter 
its ok now i have the original bioses from another 6990
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