External component identification
Maintenance and Service Guide 2–7
Right-side components
Item Component Function
1 Optical drive Reads optical discs and, on select models, also 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.