Int 6F Fn 040A  - Hp Vectra Ex-bios - "f_io_ctrl Sf_disable_hphil" - Mask  [b]

   AX = 040Ah
   BP = 001Eh (driver ID for V_S8259)

Return: AH = status (see #3415)
   BP,DS destroyed

See Also: AH=00h"HP Vectra",AX=0402h/BP=001Eh,AX=0406h/BP=001Eh

See Also: AX=0408h/BP=001Eh