Int 15 Fn C205  - System - Pointing Device BIOS Interface (ps) - Initiali  [M]

   AX = C205h
   BH = data package size (1 - 8 bytes)

Return: CF set on error
       AH = status (see AX=C200h)

Note:  the pointing device is set as follows: disabled, 100 Hz sample rate,
     resolution 4 counts/mm, scaling 1:1

See Also: AX=C201h