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Numeric Error Codes
The following is a list of the message that the BIOS can
display. Most of them occur during POST. Some of them
display information about a hardware device, e.g., the
amount of memory installed. Others may indicate a
problem with a device, such as the way it has been config-
ured. Following the list are explanations of the messages
and remedies for reported problems.
If the system fails after you make changes in the Setup
menus, reset the computer, enter Setup and install Setup
defaults or correct the error.
Symptom/Error FRU/Action in Sequence
0200
Failure Fixed
Disk
1. Reseat hard disk drive.
2. Load Setup Defaults in BIOS Setup
Utility.
3. Hard disk drive
4. System board
021x
Keyboard error
Go to “Keyboard and Auxiliary Input
Device Checkout” on page 29.
023x
Memory error
1. DIMM
2. BIOS ROM
3. System board
0250
System battery
error
Replace backup battery (RTC) and run
BIOS Setup Utility to reconfigure the
system time, then reboot the system.
0251
System CMOS
checksum bad
— Default
configuration
used
1. Backup battery (RTC)
2. Run BIOS Setup Utility to recon-
figure the system, then reboot the
system.
0260
System timer
error
1. Backup battery (RTC)
2. Run BIOS Setup Utility to recon-
figure the system, then reboot the
system.
3. System board
0270
Real time
clock error
1. Backtup battery (RTC)
2. Run BIOS Setup Utility to recon-
figure the system, then reboot the
system.
3. System board
0271
Check date
and time
setting
1. Run BIOS Setup Utility and verify
date and time.
2. Backup battery (RTC)
3. System board
ThinkPad 390X / i 1700 HMM 39