Back panel
1 = DC jack (DC IN)
2 = Parallel port
3 = Monitor port
4 = S Video out socket
5 = Serial port
Under side
1 = Battery lock
2 = Battery
3 = Battery lock
440 N00072
Working with the notebook
6 = USB ports
7 = Modem port
8 = LAN connector
9 = PS/2 port (for keyboard or mouse)
4 = Optical drive
5 = Optical drive lock
6 = Memory cover
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