Windows操作系统在运行时会加载NVIDIA显卡驱动程序，这些驱动会对显卡硬件进行持续的访问和控制。在Windows环境下进行BIOS刷新时，驱动程序可能会与刷新操作产生冲突，导致刷新失败甚至损坏硬件。而，刷新工具可以直接、独占地对硬件进行底层操作。
Extract the NVFlash 5.163 files. You will need nvflash.exe (and CWSDPMI.EXE if it is included in the package, which provides protected-mode DPMI services under DOS). nvflash 5.163 for dos
Flashing a VBIOS carries inherent risks. If done incorrectly, it can permanently disable your graphics hardware. Follow these protocol rules to mitigate risks: nvflash 5.163 for dos