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Troubleshooting
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A PCI expansion card (for example, a RAID controller) can also issue audible
errors by itself, usually consisting of one long tone followed by a series of short
tones. For more information on the beep codes issued, check the
documentation for that device.
Several POST routines issue a POST terminal error and shut down the system
when they fail. Before shutting down the system, the terminal error handler
sounds a beep code (one long tone and a series of short tones) that identifies
the test point error. If POST completes normally, the BIOS issues one short beep
before passing control to the operating system.
Beeps Description Troubleshooting steps
1 Refresh failure. The memory refresh
circuitry on the system board is faulty.
Reseat the memory or replace with
known good modules.
2 Parity error. Parity error in the first
64 KB of memory.
Same as for 1 beep.
3 Memory failure in first 64 KB. Same as for 1 beep.
4 Memory failure in first 64 KB of
memory, or Timer 1 on the system
board is not functioning.
Remove all expansion cards.
■
If the beep codes occur even when all
expansion cards have been removed,
the system board is at fault.
■
If the beep codes do not occur when
the expansion cards have been
removed, one of the cards is causing
the problem. Install the cards one at a
time until the problem happens again.
When the beep codes return, the most
recent card you installed is at fault.
5 The processor on the system board
generated an error.
Same as for 4 beeps.
6 The keyboard controller (8042) may be
defective. The BIOS cannot switch to
Protected mode.
Same as for 4 beeps.
7 The processor generated an exception
interrupt.
Same as for 4 beeps.
8 The server video’s memory is faulty.
This is not a fatal error.
The system board may be faulty.
9 The ROM checksum value does not
match the value encoded in the BIOS.
Same as for 4 beeps.