Toshiba portege m400 Manual De Usuario

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User’s Manual
Power and Power-Up Modes
To ensure that the battery pack maintains its maximum capacity, operate 
the computer on battery power at least once a month until the battery pack 
is fully discharged. Refer to 
 in this chapter for 
procedures. If the computer is continuously operated on AC power through 
an AC adaptor for an extended period, more than a month, the battery may 
fail to retain a charge. It may not function efficiently over the expected life of 
the battery and the Battery indicator may not indicate a low-battery 
condition.
Slice Expansion Battery (Provided with some models, or 
option)
The Slice Expansion Battery is included with some models, or can be 
purchased separately as an optional accessory.
For detailed information on this battery, refer to 
 
section in Chapter 8.
Real Time Clock (RTC) battery
The Real Time Clock (RTC) battery provides power for the internal real time 
clock and calendar. It also maintains the system configuration.
If the RTC battery becomes completely discharged, the system loses this 
data and the real time clock and calendar stop working. The following 
message appears when you turn on the power:
S
**** RTC battery is low or CMOS checksum is 
inconsistent ****    
Press [F1] key to set Date/Time. 
You can change the Real Time Clock settings by pressing the F1 key. Refer 
to Chapter 9 
 for the detail.
Do not remove the battery pack while the computer is in Sleep Mode. 
Data is stored in RAM, so if the computer loses power it will be lost. 
When the computer is powered off in Sleep Mode, and the AC adaptor 
is not connected, the battery pack supplies power to maintain data and 
programs in memory. If the battery pack is completely discharged, 
Sleep Mode will not function and the computer loses all data in 
memory.
The Slice Expansion Battery 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 batteries 
recommended by TOSHIBA as replacements.
The computer’s RTC battery is a Ni-MH battery and should be replaced 
only by your dealer or by a TOSHIBA service representative. The battery 
can explode if not properly replaced, used, handled or disposed of. 
Dispose of the battery as required by local ordinances or regulations.