External component identification
Maintenance and Service Guide 2–7
Right-side components
Item Component Description
(1) Optical drive Reads and writes to optical discs.
(2) Optical drive light Blinking: The optical drive is being accessed.
(3) USB ports (2) Connect optional USB devices.
(4) RJ-11 (modem) jack
(select models only)
Connects a modem cable.
(5) AC adapter light ■On: The computer is connected to external power.
■Off: The computer is not connected to external power.
(6) Power connector Connects an AC adapter.