59
Game/MIDI
The Game/MIDI port connects a game joystick or a MIDI device, such as a musical
keyboard or synthesizer, to the system.
Pin
Signal Pin Signal
1 +5V 9 +5V
2 Fire button 0 10 Fire button 2
3 X-axis,
joystick 1
11 X-axis, joystick 2
4 Ground 12 MIDI out
5 Ground 13 Y-axis, joystick 2
6 Y-axis,
joystick 1
14 Fire button 3
7 Fire button 1 15 MIDI in
8 +5V
Universal Serial Bus
The Universal Serial Bus (USB) port connects USB devices to the computer. These
devices can include printers, keyboards and other peripherals that have historically used
serial, parallel, mouse, and keyboard I/O buses. USB devices, designed to be fully Plug-and-
Play (PnP), feature hot attach/detach and daisy-chain capabilities. The USB port can
transfer data at a maximum theoretical rate of 12 megabits per second.
Pin
Signal Pin Signal
A1 PWR B1 PWR
A2 - B2 -
A3 + B3 +
A4 GROUND B4 GROUND
15
9
1
8
A
B
1 4
1 4
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