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280X CROSSFIRE VS 290X

robertchalmers1 said:
http://www.sendspace.com/file/jmc75m

is the link for my card. do i need to save both bios off both cards???
Click to expand...

II think this is the same bios Tahiti XL that i tried to edit for someone else and it didn't work. However i tried to increase the voltage to 1.3. Try Tahiti1.rom first and flash it to both cards. If that does not work try Tahiti2.rom. Let me know how you get on.

http://www.sendspace.com/file/b4q5cc

I've asked Kaboom from oc.net to take a look as he might have a better idea. Have to wait a day or so for his reply though.

Backup your old bios incase you need to flash back for both cards!
 
im assuming that if i bugger this up its just a case of changing the switch on the gpu from 1 to 2 and it will have the card back working again.

also do i need to do both cards at same time or should i just do 1 restart windows make sure everything is ok then do next card
 
robertchalmers1 said:
im assuming that if i bugger this up its just a case of changing the switch on the gpu from 1 to 2 and it will have the card back working again.

also do i need to do both cards at same time or should i just do 1 restart windows make sure everything is ok then do next card
Click to expand...

Correct.

Nah, do both at the same time. :D
 
all give it a go once i can get my usb stick back from the weans.

also i have a prog called vbe7 is that what you use to look at and change settings on the bios??? if so the card is locked to a max of 1200 on the voltage
 
robertchalmers1 said:
all give it a go once i can get my usb stick back from the weans.

also i have a prog called vbe7 is that what you use to look at and change settings on the bios??? if so the card is locked to a max of 1200 on the voltage
Click to expand...

Yep thats what i used. All i did was on bios one i removed the boost, upped the volts to 1.3 and increased max TDP to 300. For bios 2 i did the same except i only increased the volts to 1.3 and bumped the TDP.
 
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