This is NVIDIA's Nvflash utility version better known as NVIDIA Firmware Update Utility with b uild 5.40 to flash your GeForce video card BIOS!
This is a DOS and version, so you'll need to boot into DOS (by floppy/CD-ROM) and then start the nvflash.exe.
This is a DOS and version, so you'll need to boot into DOS (by floppy/CD-ROM) and then start the nvflash.exe.