IBM 6648 User Manual
Page 152

Input/Output connectors - Types 6058/6059/6578/6579
1
2
1 Power connector
7 Audio in connector
2 Mouse
8 Microphone connector
3 USB connector 2
9 Monitor connector
4 Parallel connector
10 Serial connector 1
5 Serial connector 2 (joystick/MIDI connector in
some models)
11 USB connector 1
6 Audio out connector
12 Keyboard connector
138
Hardware Maintenance Manual: IBM NetVista Computer Types 6058, 6059, 6269, 6568, 6569, 6578, 6579, 6648,
6649