Digital Equipment FR-902AA-A3, Service Maintenance Manual

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Digital STARION 400i - 900i PC Troubleshooting
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POST and Boot Error Messages
(continued)
Message Problem Solution
Keyboard controller error
Keyboard error
Keyboard locked - Unlock key
switch Keyboard and/or keyboard
controller failed. Check the keyboard connection.
If the connection is secure, the
keyboard or keyboard controller
might have failed. If the problem
persists, replace the defective
keyboard and/or controller.
Monitor type does not match
CMOS - Run SETUP
Monitor type has been
incorrectly specified. Run the BIOS Setup utility and set
the correct monitor type.
Operating system not found The operating system cannot be
found on drive A or drive C. Run the BIOS Setup utility and
correctly identify drive A or drive
C. Correctly install the operating
system. Refer to the supplied
operating system documentation.
Press <F1> to resume, <F2> to
Setup This message appears after any
recoverable error message. Press <F1> to reboot or <F2> to
enter the BIOS Setup utility to
make any necessary changes.
Real time clock error Real-time clock failed BIOS
test. Replace real-time clock and then
run the BIOS Setup utility to
restore previous configuration
information.
System cache error - Cache
disabled RAM cache failed. Run the BIOS Setup utility and
restore all settings to original
values. If the problem persists,
replace the defective cache
memory.
System CMOS checksum bad -
run SETUP Battery/real-time clock failed. Correct the address conflict using
the BIOS Setup utility. If the
problem persists, replace the
battery/real-time clock.
System RAM failed at offset:
nnnn System RAM failed. Run the BIOS Setup utility and
restore all settings to original
values. If the problem persists,
replace the defective memory.
System timer error The computer's timer test failed. Run the BIOS Setup utility and
restore all settings to original
values. If the problem persists,
replace the defective component.
Shadow RAM Failed at offset:
nnnn Shadow RAM failed. Run the BIOS Setup utility and
disable failed shadow memory
region.
System battery is dead -
Replace and run SETUP Battery/real-time clock failed. Replace the battery and then run
the BIOS Setup utility to restore
previous configuration
information.