HP omnibook xe3 Service Manual

Page of 117
HP OmniBook XE3
Troubleshooting and Diagnostics
3-25
The following table lists POST messages and explanations for reported problems. If the system fails
after you make changes in BIOS Setup, reset the notebook, enter BIOS Setup, and install the defaults
or correct the error.
 
Table 3-2. POST Messages
Message
Description
0200 Failure Fixed Disk
Fixed disk is not working or not configured properly. Make sure the fixed disk is attached
properly. Run BIOS Setup. Find out if the fixed-disk type is correctly identified.
0210 Stuck key
Stuck key on keyboard.
0211 Keyboard error
Keyboard not working.
0212 Keyboard Controller Failed
Keyboard controller failed test. May require replacing motherboard (contains keyboard
controller).
0213 Keyboard locked – Unlock key switch
Unlock the system to proceed.
0220 Monitor type does not match CMOS – Run SETUP
Monitor type not correctly identified in BIOS Setup.
0230 Shadow RAM Failed at offset: 
nnnn
Shadow RAM failed at offset 
nnnn
 in the 64k block at which the error was detected.
0231 System RAM Failed at offset: 
nnnn
System RAM failed at offset 
nnnn
 in the 64k block at which the error was detected.
0232 Extended RAM Failed at offset: 
nnnn
Extended memory not working or not configured properly at offset 
nnnn
. Update to the latest
BIOS version.
0250 System battery is dead – Replace and run SETUP
The CMOS clock battery indicator shows the battery is dead. Connect the AC adapter for at
least 24 hours. Replace the motherboard.
0251 System CMOS checksum bad – Default configuration used
System CMOS has been corrupted or modified incorrectly, perhaps by an application program
that changes data stored in CMOS. The BIOS installed Default Setup Values. If you do not
want these values, enter BIOS Setup and enter your own values. If the error persists, check
the system battery. Connect the AC adapter for at least 24 hours; replace the motherboard.
0260 System timer error
The timer test failed. Replace the motherboard.
0270 Real time clock error
Real-time clock fails BIOS test. May need to replace motherboard.
0280 Previous boot incomplete – Default configuration used
Previous POST did not complete successfully. POST loads default values and offers to run
BIOS Setup. If failure was caused by incorrect values and these values are not corrected, the
next boot will likely fail. This error is cleared the next time the system is booted.
0281 Memory Size found by POST differed from CMOS
Memory size found by POST differed from CMOS.
02B0 Diskette drive A error
02B1 Diskette drive B error
Drive A: or B: is present but fails the BIOS POST diskette tests. Make sure the drive is
installed properly and defined with the proper diskette type in BIOS Setup.
02B2 Incorrect Drive A type – run SETUP
Type of floppy drive A: not correctly identified in BIOS Setup.
02B3 Incorrect Drive B type – run SETUP
Type of floppy drive B: not correctly identified in BIOS Setup.
02D0 System cache error – Cache disabled
RAM cache failed and BIOS disabled the cache. CPU may need to be replaced. A disabled
cache slows system performance considerably.
02F0: CPU ID:
CPU socket number for Multi-Processor error.
02F4: EISA CMOS not writeable
BIOS test error: Cannot write to EISA CMOS.