new NiBiT and nvflash worked perfect at 9800GX2.

This card is different from 3870X2 because there are 3 bios at this card. BR04 Bridge bios, Core 1 bios and Core 2 bios.


Save under DOS

Core1
nvflash -b -i1 xxx-1.rom


Core 2
nvflash -b -i2 xxx-2.rom


Next, using NiBiT 3.9 edit and flash under dos, too.

Flash bios under dos

Core1
nvflash -4 -5 -6 -i1 xxx-1.rom

Core2
nvflash -4 -5 -6 -i2 xxx-2.rom