Int 6F Fn 0406  - Hp Vectra Ex-bios - "f_io_ctrl Sf_track_off" - Graphics  [b]

   AX = 0406h
   BP = driver ID (see #3412) for V_LPOINTER, V_LTOUCH, V_LTABLET

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

See Also: AH=00h"HP Vectra",AX=0400h"SF_LOCK",AX=0404h"SF_TRACK_ON"

See Also: AX=0408h"SF_CREATE_EVENT"