/1,/2 - Use serial port COM1 or COM 2. /3 - Use serial port COM3. port = 3E8, IRQ = 4 /4 - Use serial port COM4. port = 2E8, IRQ = 3 /R0 - Turn off mouse dynamic resolution /Rn - Set times of dynamic resolution (n = 1 - 9). /D - Double Dynamic Resolution /T - Triple Dynamic Resolution /Q - Quadruple Dynamic Resolution /U - Quintuple Dynamic Resolution /V - Decuple Dynamic Resolution /Np,i - Use hexadecimal I/O port (p) and Decimal IRQ level (i). /P - Use PS2-compatible Mouse on Pointing Device Port. /B - Use Bus Mouse (Microsoft compatible) /B3 - Use Bus Mouse (3 buttons) OFF - Unload mouse driver and release memory. /? - For help display (also /H).