INT 10 - HP Vectra EX-BIOS - MODIFY MONITOR INFO

	AX = 6F03h
	BH = exclude mask (set bits are not modified)
	BL = new values for bits indicated by BH (see #00190)
Return: AX destroyed
Notes:	this function is only valid when an HP MultiMode Video Display Adapter
	  is installed
	supported by original HP Vectra AT and by ES/QS/RS series Vectras
SeeAlso: AX=6F01h,AX=6F02h