Motorola CompactPCI CPX2000 Series, Installation And Reference Manual

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Installation Troubleshooting
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Beep codes for fatal errors, which halt the boot process, are communicated
through a series of audible beeps. If AMIBIOS POST can initialize the
system video display, it displays the error message on the screen.
Displayed error messages, in most cases, let the system continue to boot.
Refer to
Table 3-4 for a description of the AMIBIOS beep codes. Refer to
the CPV5300 CompactPCI BIOS and Programmer’s Reference Guide
(part number CPV5300A/PGx) for information about the CPV5300 with
the PhoenixBIOS.
Table 3-4. AMIBIOS Beep Codes for Fatal Errors on the System
This number
of Beeps: With this error
message: Tells you:
1 Refresh Failure the memory refresh circuitry is faulty
2 Parity Error about a parity error in the base memory (the first 64
KB block memory)
3 Base 64 KB Memory
Failure about memory failure in first 64 KB
4 Timer Not Operational about a memory failure in the first 64 KB of
memory, or Timer 1 is not functioning
5 Processor Error the CPU generated an error
6 8042 - Gate A20 Failure cannot switch to protected mode
7 Processor Exception
Interrupt Error the CPU on the CPU card generated an exception
interrupt
8 Display Memory
Read/Write Error the system video adapter is either missing or its
memory is faulty. This is not a fatal error
9 ROM Checksum Error the ROM checksum value does not match the value
encoded in AMIBIOS
10 CMOS Shutdown
Register Read/Write
Error the shutdown register for CMOS RAM has failed
11 Cache Memory Bad -
Do Not Enable Cache the cache memory test failed. Cache memory is
disabled. Do not press <Ctrl> <Alt> <Shift> <+> to
enable cache memory