IBM ThinkPad R32 2658 Maintenance Manual page 48

Error Message
Code
0270 Real time clock
error
0271 Check date and
time settings
0280 Previous boot
incomplete-Default
configuration used
0281 Memory Size
found by POST
differed from
CMOS
02B0 Diskette drive A
error Diskette
drive B error
42
ThinkPad R32 Series
Meanings
Real-Time Clock
fails BIOS
hardware test. May
require board
repair.
BIOS found date or
time out of range
and reset the
Real-Time Clock.
May require setting
legal date
(1991–2099).
Previous POST did
not complete
successfully. POST
loads default values
and offers to run
Setup. If the failure
was caused by
incorrect values
and they are not
corrected, the next
boot will likely fail.
On system with
control of wait
states, improper
Setup settings can
also teminate
POST and cause
this error on the
next boot. Run
Setup and verify
that wait-state
configuration is
correct. This error
is cleared the next
time the system is
booted.
Memory size found
by POST differed
from CMOS.
Drive A: or B: is
present but fails the
BIOS POST
diskette tests.
CHeck to see that
the drive is defined
with the proper
diskette type in
Setup and that the
diskette drive is
attached corretly.
Comment or
Action
1. Replace
the backup
battery and
run IBM BIOS
Setup Utility
to reset the
time and date.
2. System
Board
Run IBM
BIOS Setup
Utility to reset
the time and
date.
IBM
customized
not to display
this message.
Load "Setup
Default" in
IBM BIOS
Setup Utility.
Load "Setup
Default" in
IBM BIOS
Setup Utility.