Providing Power
Providing Power
Your computer can be operated with the AC Adapter or battery pack.
AC Adapter
The AC Adapter supplies power for the computer. The AC Adapter
also charges the battery pack when the battery pack is installed in
the computer. The input rating for the AC Adapter is 100–240 V ac,
50/60 Hz.
DANGER
Do not attempt to open the AC Adapter case. The AC
Adapter is permanently sealed and cannot be repaired.
Attention:
Always use an AC Adapter certified
by IBM in the country where you will
be using the computer. Operating
the computer with an incorrect AC
Adapter can cause damage to the
battery pack and to the computer.
If you turn on the computer with the battery pack installed, you will
hear a short beep when you connect or disconnect the AC Adapter
from the computer. This short beep means that the power source
has been changed.
When the AC Adapter cable is disconnected from the computer with
a battery pack installed, the LCD brightness decreases slightly to
conserve battery power.
Battery Pack
To charge the battery pack:
Page 56.
The battery pack is an internal power source for the computer. The
battery pack can be recharged with the AC Adapter or the battery
charger (available as an option).
Battery packs are shipped from the factory in an almost discharged
state, so you
must charge them before use. To operate your
computer with the battery pack, see Chapter 4.
Chapter 2. Getting Familiar with Your Computer
17
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