Rear View
1 Power switch
2 Video in/out ports (model-unique)
3 Modem/fax port
4 Microphone/line-in jack
5 Headphone jack
6 Option cover
7 Power jack
8 Serial connector
9 Parallel connector
1 External display connector
11 Power shutdown switch
12 System expansion connector
13 Air duct
14 Rear infrared port
15 External diskette drive connector
(Model-unique)
16 MIDI/joystick port (Model-unique)
17 Connector door
18 Rear door
504 IBM Mobile Systems HMM