NEC Versa 2500 Series Service Manual page 89

Table 5-2 POST Error Messages (cont'd)
Message
No boot device available -
press F1 to retry boot, F2
for SETUP utility
No boot sector on fixed
disk - press F1 to retry
boot, for SETUP utility
F2
Not a boot diskette - press
to retry boot, for
F1 F2
SETUP utility
No timer tick interrupt
Shutdown failure
Time of day not set - run
SETUP program
Timer 2 failure
to enter ROM-based
F2
SETUP
Invalid configuration
information - please run
SETUP
Possible Cause
Either diskette drive A:,
the fixed disk, or both the
diskette and fixed disk are
defective.
The C: drive is not
formatted or is not
bootable.
The diskette in drive A: is
not formatted as a
bootable diskette.
The timer chip has failed.
Either the keyboard
controller is not accepting
the reset command or the
associated reset logic has
failed.
Real Time Clock is not
set.
The timer chip has failed.
Invalid configuration
information must be
changed.
Display adapter is
configured incorrectly.
Memory size is incorrect.
Wrong number of diskette
drives.
Troubleshooting and Repair
Action
Try rebooting. If problem
persists, replace the diskette
or the fixed disk.
Format the C: drive and
make it bootable.
Replace the diskette with a
bootable diskette and try
rebooting.
Check the system board,
Turn the power off, then back
on again. If the problem
persists, contact qualified
service personnel.
Check the keyboard
controller and system board.
Turn the power off, then back
on again. If the problem
persists, contact qualified
service personnel.
Run SETUP utility.
Check the system board.
Turn the power off, then back
on again. If the problem
persists, contact qualified
service personnel.
You must run SETUP utility
and correct configuration
information.
Run the SETUP utility.
5-5