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User's Manual
POWER AND
POWER-UP MODES
Power indicator
Check the Power indicator to determine the power status.
Green Indicates power is being supplied to the computer and the
computer is turned on.
Blinking in orange Indicates the power was turned off while the computer was
in Resume mode. The indicator turns on for one second
and turns off for two seconds.
No light Under any other conditions, the indicator does not light.
Battery types
The computer has two types of batteries:
❑ Battery Pack
❑ Real Time Clock (RTC) battery
Battery Pack
When the AC power cord is not connected, the computer’s main power source is a
removable lithium-ion Battery Pack, also referred to in this manual as the main
battery. You can purchase Battery Packs for extended use of the computer away
from an AC power source.
CAUTIONS: 1. The Battery Pack is a lithium-ion battery, which can
explode if not properly replaced, used, handled or
disposed of. Dispose of the battery as required by local
ordinances or regulations. Use only battery recom-
mended by TOSHIBA as replacements.
2. Do not remove the Battery Pack while the computer is in
Standby mode. Data is stored in RAMs, so if the com-
puter loses power it will be lost. When the computer is
powered off in Standby mode, and the AC adaptor is not
connected, the Battery Pack supplies power to maintain
data and program in memory. If the Battery Pack is
completely discharged, Standby mode does not function
and the computer loses all data in memory.