INT 10 - HP Vectra EX-BIOS - SET MONITOR INFO AX = 6F02h BL = new value for extended control register (see #00190) Return: AX,BL destroyed Notes: this function is only valid when an HP MultiMode Video Display Adapter is installed the Extended Control register is at I/O address 3DDh SeeAlso: AX=6F01h,AX=6F03h