Rear View
  .1/  Rear Door
  .2/  Connector Door
  .3/  MIDI/Joystick Port (model-unique)
  .4/  External Diskette Drive Connector
  (model-unique)
  .5/  Rear Infrared Port
  .6/  Air Duct (Model unique)
  .7/  System Expansion Connector
  .8/  Power Shutdown Switch
  .9/  External Display Connector
 .1ð/  Parallel Connector
 .11/  Serial Connector
 .12/  Power Jack
 .13/  Option Cover
 .14/  Headphone Jack
 .15/  Microphone/Line-in Jack
 .16/  Modem/Fax Port
 .17/  Video In/Out Ports (model-unique)
 .18/  Power Switch
342 IBM Mobile Systems HMM