INT 6F - HP Vectra EX-BIOS - "F_IO_CTRL SF_PASS_THRU" - SEND DATA BYTE TO 8041 AX = 041Ah BP = 00AEh (driver ID for V_8041) BL = byte to send to 8041 Return: AH = status (see #03744) BP,DS destroyed SeeAlso: AH=00h"HP Vectra",AX=040Ah/BP=00AEh,AX=040Eh/BP=00AEh