Interpreting Startup Diagnostics From Scsi Bios - Nortel CallPilot User Manual

20 Chapter 3 Troubleshooting your CallPilot system
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Interpreting startup diagnostics from SCSI BIOS

The results from the SCSI controller diagnostics appear after the POST
results.
Applicable cards
Results of the startup diagnostics appear only if you have the following
cards installed on your system:
•
•
Copyright © 2007, Nortel Networks
.
Error message
8042 - Gate A20
Failure
Processor
Exception
Interrupt Error
Display Memory
Read/Write Error
ROM Checksum
Error
CMOS Shutdown
Register
Read/Write Error
Cache Memory
Bad: Do Note
Enable Cache
Adaptec SCSI controller
The adapter is integrated in the SBC and can be disabled.
LSI Elite 1600 controller
Nortel CallPilot
1002rp Server Maintenance and Diagnostics
NN44200-701 01.02 Standard
5.0 4 April 2007
Description
The keyboard controller (8042) contains
the Gate A20 switch, which allows the CPU
to operate in protected mode. This error
message means that the BIOS cannot switch
the CPU into protected mode.
The CPU on the processor board generated
an exception interrupt.
The system video adapter is either missing or
its memory is faulty.
Note: This is not a fatal error.
The ROM checksum value does not match the
value encoded in the BIOS.
The shutdown register for the CMOS RAM
failed.
The cache memory test failed. Cache memory
is disabled.
Note: Do not press Ctrl+Alt+Shift<+> to enable
cache memory.
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