Int 6F Fn 0404  - Hp Vectra Ex-bios - "f_io_ctrl Sf_track_on" - Graphics   [b]

   AX = 0404h
   BP = driver ID (see #3412) for V_LPOINTER, V_LTOUCH, V_LTABLET

Return: AH = status (see #3415)
   BP,DS destroyed
Desc:  enables graphics cursor tracking of the logical device's movement

See Also: AH=00h"HP Vectra",AX=0400h"SF_LOCK",AX=0406h"SF_TRACK_OFF"