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Interface Connections and First Time Start-Up
POST Error
Beep Codes
3COM Security Switch 6200 Hardware and Software Users Guide
The following tables list POST error beep codes. Before system video
initialization, the BIOS and BMC use these beep codes to inform users on
error conditions.
BMC Generated POST Beep Codes
Code
1-5-1-1
1-5-2-1
1-5-2-2
1-5-4-2
1-5-4-3
1-5-4-4
BIOS Generated POST Error Beep Codes
Beeps
Error message
1
Refresh timer failure
2
Parity error
3
Base memory failure
4
System timer
5
Processor failure
6
Keyboard controller Gate
A20 failure
7
Processor exception
interrupt error
8
Display memory read/write
error
9
ROM checksum error
10
Shutdown register error
11
Invalid BIOS
Description
FRB failure (processor failure)
Empty Processor
No Processor
Power fault: DC power unexpectedly lost (power
control failures)
Chipset control failure
Power control failure
The memory refresh circuitry on the
motherboard is faulty.
Parity can not be reset.
Base memory test failure. See Table 53.
POST Memory Error 3-Beep Codes for
additional error details.
System timer is not operational.
Processor failure detected.
The keyboard controller may be bad. The
BIOS cannot switch to protected mode.
The CPU generated an exception
interrupt.
The system video adapter is either
missing or its memory is faulty. This is
not a fatal error.
System BIOS ROM checksum error.
Shutdown CMOS register read/write
error detected.
General BIOS ROM error.
Description
3-5
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