IBM ThinkPad 340 Series Hardware Maintenance Manual page 193

System (Rear View)
▌1▐ Latches
▌2▐ System Expansion Connector
▌3▐ Docking Door
A MultiPort II or Dock II can be connected to this
interface to support the following features:
16-bit AT-bus interface
Serial port
Parallel port
Keyboard and mouse
Hard disk drive connection
LED control signals
Video signals
Audio signals
Diskette drive
PCMCIA
Power controls
Power line
ThinkPad 701C/701CS (2630)
1
2
3
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