Int 2F Fn D200  - PCl-838.exe - Installation Check                         [U]

   AX = D200h

Return: AL = FFh if installed??? (documented as AX = return value)
Program: PCL-838 is a resident utility for controlling a stepmotor adapter
     board by Advantec

See Also: AX=D201h"PCL-838",AX=D202h"PCL-838"