The utility operates by reading or writing to the GPU's EEPROM. It includes safety checks to verify data validity and metadata before proceeding with a flash. Description nvflash -b filename.rom Backup Saves the current VBIOS to a file on your bootable media. nvflash -f filename.rom Flash Writes a new VBIOS file to the graphics card. nvflash --list Identify
If your card is currently working, boot into DOS and back up the existing BIOS before doing anything else. nvflash 5.163 for dos