INT 6F - HP Vectra EX-BIOS - "F_IO_CTRL SF_CLR_CRTSW" - SET CRT TO MONOCHROME AX = 0418h BP = 00AEh (driver ID for V_8041) Return: AH = status (see #03744) BP,DS destroyed Desc: clears a flag in the 8041, indicating that the primary display is the monochrome adapter SeeAlso: AH=00h"HP Vectra",AX=040Ch/BP=00AEh,AX=040Eh/BP=00AEh SeeAlso: AX=0414h/BP=00AEh,AX=0416h/BP=00AEh,AX=041Ah/BP=00AEh