10 Chapter 1
Rear Panel
# Icon Item Description
1 Optical drive Internal optical drive; accepts CDs or
DVDs (slot-load or tray-load
depending on model).
2 Optical disk access
indicator
Lights up when the optical drive is
active (location depends on model).
3 Optical drive eject
button
Ejects the optical disk from the drive
(location depends on model).
4 Emergency eject
hole
Ejects the optical drive tray when the
computer is turned off (location
depends on model).
5 Modem (RJ-11) port Connects to a phone line.
6 DC-in jack Connects to an AC adapter.
# Icon Item Description
1 Kensington lock
slot
Connects to a Kensington-
compatible computer security lock.
2 USB 2.0 ports Connect to USB 2.0 devices (e.g.,
USB mouse, USB camera).
3 Battery Powers the computer
4 Ethernet (RJ-45)
port
Connects to an Ethernet 10/100-
based network.