Int 6F Fn 040C  - Hp Vectra Ex-bios - "f_io_ctrl Sf_event_off" - Disable   [b]

   AX = 040Ch
   BP = driver ID (see #3412) for V_LPOINTER, V_LTOUCH, V_LTABLET

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

See Also: AH=00h"HP Vectra",AX=0408h"SF_CREATE_EVENT",AX=040Ah"SF_EVENT_ON"