Troubleshooting
6- 64
TLA721 Benchtop & TLA7XM Expansion Mainframe Service Manual
Table 6- 12: BIOS error codes and explanations (Cont.)
Error code
Action to be taken
Error code explanation
Previous boot
incomplete --
Default config-
uration used
The previous POST test was not success-
ful. If the POST test fails, POST will load
default values then display a message to
run the CMOS setup.
If incorrect values are loaded, future boot
attempts may fail.
This is an information message.
Verify that the CMOS setup is
configured correctly.
Real time clock
error
The real time clock may be defective.
The controller board may be
defective. Replace the benchtop
controller.
Shadow Ram
Failed at offset:
nnnn
The shadow RAM has failed at Hex
location nnnn.
The system will run without
shadow RAM, but it will run slow.
Exchange the SO DIMMs, if one
of the SO DIMMs are defective
the error address should change.
System battery
is dead -- Re-
place and run
SETUP
The CMOS clock may be dead or
disconnected.
The CMOS setup may have to be reset.
The system battery is internal to
the RAM/Calender component.
To replace the system battery,
replace the RAM/Calender
component.
Note:
After replacing the RAM/Calen-
dar component, you must reflash
the BIOS.
Refer to
Update the BIOS
and
perform the procedures to reflash
the BIOS.
System BIOS
shadowed
The system BIOS was copied to shadow
RAM.
This is an informational mes-
sage.
No action needs to be performed.
System cache
error -- Cache
disabled
When the system BIOS failed the cache
test the cache was disabled.
The system will run without
cache RAM, but it will run slow.
Reboot the system.
System CMOS
checksum bad
-- run SETUP
The system CMOS settings may be
incorrect or modified incorrectly by some
application. The CMOS setup may have
to be redefined.
This is an information message.
Reboot the system first, then
verify that the CMOS setup is
configured correctly.
Summary of Contents for TLA7XM
Page 5: ......
Page 13: ...Table of Contents viii TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 17: ...Service Safety Summary xii TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 21: ...Preface xvi TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 25: ...Introduction xx TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 43: ...Specifications 1 18 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 85: ......
Page 87: ...Adjustment Procedures 5 2 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 161: ...Repackaging Instructions 6 74 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 165: ...Electrical Parts List 8 2 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 169: ...Diagrams 9 4 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 189: ...Mechanical Parts List 10 20 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...