INT 33 - LOGITECH MOUSE - SET PARAMETERS
        AX = 256Ch
        BX = 00h set baud rate (serial mouse only)
                CX = rate (0=1200, 1=2400, 2=4800, 3=9600)
           = 01h set emulation (serial mouse only)
                CX = emulation
                    0 = 5 byte packed binary
                    1 = 3 byte packed binary
                    2 = hexadecimal
                    3 = relative bit pad
                    4 = not supported
                    5 = MM Series
                    6 = not supported
                    7 = Microsoft
           = 02h set report rate (serial mouse only)
                CX = rate (0=10, 1=20, 2=35, 3=50, 4=70, 5=100, 6=150)
           = 03h set port (serial mouse only)
                CX = port (1, 2)
           = 04h set mouse logical buttons
                CX = buttons (2, 3)
Return: AX = FFFFh if driver installed for serial mouse
SeeAlso: AX=276Ch