HP Kayak XU Technical Reference Manual page 57

Socket Pin Layouts
Ethernet UTP Connector
Keyboard and Mouse Connector
Serial Port Connector
3 Interface Boards and Mass-Storage Drives
Connectors and Sockets
VGA Connector
Parallel Port Connector
MIDI/Joystick Connector
8- +5V
+5V -9
7- A-2
B-1 - 10
6- A-Y
B-X-1 1
5- GND
MIDI-OUT -12
4- GND
B-Y - 13
3-A-X
B-2 - 14
2-A-1
MIDI-IN-15
1-+5V
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