Toshiba Satellite A100 User Manual page 58

User's Manual
LAN jack
DC IN 19V
2-6
This jack lets you connect to a LAN. The adaptor has
built-in support for Ethernet LAN (10 megabits per sec-
ond, 10BASE-T), Fast Ethernet LAN (100 megabits per
second, 100BASE-Tx). The LAN has two indicators.
See Chapter 4, Operating
The AC adaptor connects to this socket. Use only the
model of AC adaptor that comes with the computer.
Using the wrong adaptor can damage your computer.
Basics, for detailes.