Technical data

Troubleshooting
4-36
Message Description/Solution
nnnn Shadow RAM passed
Where
nnnn
is the amount of shadow RAM (in kilobytes) that
tested successfully.
RTC is dead - Replace
and run SETUP
Replace the battery and then run the BIOS Setup utility to
restore previous configuration information.
System BIOS shadowed
This indicates that the computer’s BIOS was successfully
copied to shadow RAM.
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 faulty processor.
System CMOS checksum bad
- run SETUP
Correct the address conflict using the BIOS Setup utility. If the
problem persists, replace the main logic board.
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 any faulty DIMMs.
nnnn System RAM passed
Where
nnnn
is the amount of system RAM (in kilobytes) that
tested successfully.
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 main logic board.
UMB upper limit segment
address: nnnn
Displays the address of the upper limit of UMB. This indicates
the released segments of the BIOS that can be reclaimed by a
virtual memory manager.
Video BIOS shadowed
This indicates that the computer’s video BIOS was
successfully copied to shadow RAM.
Invalid system
configuration data.
Please run the
configuration utility.
Run the BIOS Setup utility. Under the “Advanced” section,
toggle down to the “Reset Configuration Data” selection.
Change the setting to “YES”, save changes and then exit the
BIOS Setup utility. The computer will then reboot without
displaying the error message.