5F01h – Get Video BIOS Information

This function returns the Video BIOS Build information.

Note: This function is an extension of the Desktop and Mobile Video BIOS. If register ECX does not contain ASCII characters “IEGD” then the VBIOS is not described by this specification.

Calling Register:

AX = 5F01h, Get Video Information function

Return Registers:

AX = Return Status (function not supported if AL != 5Fh):

= 005Fh, Function supported and successful

= 015Fh, Function supported but failed

EBX = 4 bytes Video BIOS Build Number ASCII string, e.g., ‘1000’

ECX = 4 bytes Embedded Identifier, ASCII string ‘IEGD’