Real Time Clock - Toshiba Satellite P30 User Manual

Real Time Clock

Problem
The following message
is Displayed on the
LCD:
ERROR 0271: Check
date and time settings.
Warning 0251: System
CMOS checksum bad
- Default configuration
used.
Press <F1> to resume,
<F2> to Setup.
Memory expansion
Refer also to Chapter 8,
memory modules.
Problem
The computer hangs up
and issues beep
sounds. (A long leep,
three short beeps, three
short beeps, and then a
long beep.)
9-16
Procedure
The Real Time Clock (RTC) battery provides
power for the internal real time clock and
calendar. If the RTC battery becomes completely
discharged, this message will show up. Set the
date and time in BIOS setup with the following
steps:
1. Press [F1] key. BIOS setup will boot up.
2. Press [F2] to set the date in [System Date].
3. Press [F2] to set the time in [System Time].
Optional Devices
, for information on installing
Procedure
Make sure the memory module installed in the
expansion slot is compatible with the computer.
If an incompatible module has been installed,
follow the steps below.
1. Turn off the power.
2. Disconnect the AC adaptor and all peripheral
devices.
3. Remove the battery pack.
4. Remove the memory module.
5. Replace the battery pack and/or connect the
AC adaptor.
6. Turn on the power.
If problems persist, contact your dealer.
Troubleshooting
Satellite P30