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Right-side components
Item Component Function
(1) USB ports (2) Connect optional USB devices.
(2) RJ-11 (modem) jack Connects a modem cable.
(3) Optical drive (select models only) Reads optical discs and, on select models, also writes to
optical discs.
4) Optical drive light (select models only) On: The optical drive is being accessed.
(5) Battery light
●
Amber: A battery is charging.
●
Turquoise: A battery is close to full charge capacity.
●
Blinking amber: A battery that is the only available
power source has reached a low battery level. When
the battery reaches a critical battery level, the battery
light begins blinking rapidly.
●
Off: If the computer is plugged into an external power
source, the light turns off when all batteries in the
computer are fully charged. If the computer is not
plugged into an external power source, the light stays
off until the battery reaches a low battery level.
(6) Power connector Connects an AC adapter.
12 Chapter 2 External component identification