Bao, Zheng wrote:
I am wondering, if I got a Vgabios for graphics card A, can I just change the device ID in the binary file to fit the graphics B?
If the code is the same, sure.
Is there any checksum in the vgabios.bin?
Yes. Option ROMs follow a well defined standard.
Is there a tool to handle it?
Try tools/buildrom.py in the SeaBIOS repository at git://git.linuxtogo.org/home/kevin/seabios.git
http://git.linuxtogo.org/?p=kevin/seabios.git;a=blob;f=tools/buildrom.py
//Peter