Connector - MSX Joystick9 PIN D-SUB MALE at the computer. 9 PIN D-SUB FEMALE at the joystick cable.  |  (at the joystick cable) |    |  (at the computer) |  
 | Pin | Name | Direction | Description | 
|---|
 | 1 | /FORWARD | Input | Forward |  | 2 | /BACK | Input | Backward |  | 3 | /LEFT | Input | Left |  | 4 | /RIGHT | Input | Right |  | 5 | +5V | Output | +5 VDC (50mA max) |  | 6 | /TRG1 | --- | Trigger A / Output 1 |  | 7 | /TRG2 | --- | Trigger A / Output 1 |  | 8 | OUTPUT | Output | Output 3 |  | 9 | GND | --- | Signal Ground |  
   Note: Direction is Computer relative Joystick.   Warning: Pin 5 is +5V on MSX and Mouse Button 2 on Amiga.    Since Amiga mousebutton is active low, connecting an Amiga    mouse to a MSX and pressing mousebutton 2 will shortcut the    supply voltage. 
  |