Chip BIOS: ASUS M5A99FX PRO R2.0, SABERTOOTH 990FX R2.0, F1A55-M LX PLUS R2.0
BIOS CHIP for ASUS M5A99FX PRO R2.0, SABERTOOTH 990FX R2.0, F1A55-M LX PLUS R2.0, M5A99FX PRO R2.0. For example: ASUS M5A99FX PRO R2.0. If you want to upgrade your bios safely, you can buy a new version bios chip to replace the old bios chip.