NEC NEC Express5800 Series, Online Service Manual

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5-18 Problem Solving
BIOS Messages (Continued)
Message Description
Press <F2> to enter SETUP Optional message displayed during POST. Can be turned off in Setup.
Previous boot incomplete - Default configuration
used
Previous POST did not successfully complete. 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 systems with control
of wait states, improper Setup settings can also terminate POST and cause
this error on the next boot. Run Setup and verify that the wait-state
configuration is correct. This error is cleared the next time the system is
booted.
Real time clock error* Real time clock fails BIOS test. May require board repair.
Shadow Ram Failed at offset:
nnnn
* Shadow RAM failed at offset
nnnn
of the 64K block at which the error was
detected.
nnnn
Shadow RAM Passed Where
nnnn
is the amount of shadow RAM in kilobytes successfully tested.
System battery is dead - Replace and run SETUP The CMOS clock battery indicator shows the battery is dead. Replace the
battery and run Setup to reconfigure the system.
System BIOS shadowed The system BIOS is copied to shadow RAM.
System cache error - Cache disabled* The RAM cache failed the BIOS test and BIOS has disabled the cache.
System CMOS checksum bad - run SETUP The system CMOS has been corrupted or incorrectly modified, perhaps by
an application program that changes data stored in CMOS. Run Setup and
reconfigure the system either by getting the default values or making your
own selections.
System RAM failed at offset:
nnnn
* The system RAM failed at offset
nnnn
of the 64K block at which the error
was detected.
nnnn
System RAM Passed Where
nnnn
is the amount of system RAM in kilobytes successfully tested.
System timer error* The timer test failed. Requires repair of the system board.
UMB upper limit segment address:
nnnn
Displays the address
nnnn
of the upper limit of the Upper Memory Blocks,
indicating released segments of the BIOS which may be reclaimed by a
virtual memory manager.
Video BIOS shadowed The video BIOS is successfully copied to shadow RAM.
* If your system displays this message, write down the message and notify your customer representative. If your system fails after you
made changes in the BIOS Setup menus, you may be able to correct the problem by entering Setup and restoring the original values.