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POST Error Messages
When POST detects an error, it displays an error message on the display unit screen.
The following table lists error codes, error messages, and actions to take.
IMPORTANT: Take a note on the messages displayed before consulting with your
sales agent. Alarm messages are useful information for maintenance.
Error Code Error Message
0200
Failure Fixed Disk.
0210
Stuck Key.
0212
Keyboard Controller Failed.
0213
Keyboard locked - Unlock key switch
0220
Monitor type does not match CMOS - Run
SETUP
0230
System RAM Failed at offset
0231
Shadow Ram Failed at offset
0232
Extended RAM Failed at address line
0250
System battery is dead - Replace and run
SETUP
0251
System CMOS checksum bad - Default
configuration used.
0252
Password checksum bad - Passwords
cleared.
0260
System timer error.
0270
Real time clock error.
0271
Check date and time setting.
02B0
Diskette drive A error.
02B2
Incorrect Drive A type - run SETUP.
02D0
System cache error - Cache disabled.
02D1
System Memory exceeds the CPU's caching
limit.
02F4
EISA CMOS not write able
02F5
DMA Test Failed
NS170 User Guide - Problems Solving
Table 5 - 2: POST Error Messages
5 - 16
Recommended Action
Contact your service representative
Disconnect the keyboard and connect it again.
- Disconnect the keyboard and connect it again
- Restart the system. If the error cannot be
corrected, contact your service representative
Release the lock of the key switch. If the error
cannot be corrected in spite of the release of the
lock, contact your service representative
Start the SETUP. If the error cannot be corrected
in spite of the start of SETUP, contact your
service representative
Contact your service representative
Contact your service representative to replace
the battery. (After restarting the computer, start
the SETUP to provide the setting again.)
The default values have just been set. Start the
SETUP to provide the setting again. If the error
cannot be corrected, contact your service
representative.
The password has just been cleared. Start the
SETUP to provide the setting again.
Start the SETUP to set the date and time again.
If the same error occurs successively in spite of
the resetting, contact your service
representative.
Start the SETUP to set the "Legacy Floppy A" in
the Main menu again. If the same error occurs
successively in spite of the resetting, contact
your service representative.
Start the SETUP to provide the setting again. If
the error cannot be corrected, contact your
service representative.
The cache cannot be used. Contact your service
representative.
Contact your service representative.
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