System beep codes – Dell PowerVault 745N User Manual
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System Beep Codes
If an error that cannot be reported on the screen occurs during POST, the system may emit a series of beeps that identifies the problem.
If a beep code is emitted, write down the series of beeps and then look it up in
. If you are unable to resolve the problem by looking up the meaning
of the beep code, use system diagnostics to identify the possible cause. If you are still unable to resolve the problem, see "Getting Help."
Table 2-4. Server Module Beep Codes
Unexpected interrupt in
protected mode
system board.
"
Troubleshooting System Memory
" in "Troubleshooting Your System." If the problem
persists, see "
Troubleshooting the System Board
."
Unsupported CPU stepping
detected
Processor is not supported by
the system.
Check for a BIOS update. If the problem persists, install a supported processor. See
"
Processor
."
Warning! Firmware is out-
of-date
Firmware is out-of-date.
Update the firmware. See "
Getting Help
."
Warning! No microcode
update loaded for
processor
New or unsupported
processor.
Update the BIOS firmware. See "
Getting Help
."
Write fault
Write fault on selected
drive
Faulty hard drive.
Ensure that the hard drive cables are properly connected. See "
Troubleshooting Hard
Drives
" in "Troubleshooting Your System" for the appropriate drive(s) installed in your
system.
NOTE:
If the system boots without a keyboard, mouse, or monitor attached, the system does not issue beep codes related to those peripherals.
Code
Cause
Corrective Action
1-1-2
CPU register test failure
See "
Troubleshooting the Processor
" in "Troubleshooting Your System."
1-1-3
CMOS write/read failure; faulty system
board
Faulty system board. See "
Troubleshooting the System Board
" in "Troubleshooting Your System."
1-1-4
BIOS error
Reflash the BIOS.
1-2-1
Programmable interval-timer failure;
faulty system board
Faulty system board. See "
Troubleshooting the System Board
" in "Troubleshooting Your System."
1-2-2
DMA initialization failure
See "
Troubleshooting System Memory
" in "Troubleshooting Your System."
1-2-3
DMA page register write/read failure
1-3-1
Main-memory refresh verification failure
1-3-2
No memory installed
1-3-3
Chip or data line failure in the first 64 KB
of main memory
1-3-4
Odd/even logic failure in the first 64 KB of
main memory
1-4-1
Address line failure in the first 64 KB of
main memory
1-4-2
Parity failure in the first 64 KB of main
memory
1-4-3
Fail-safe timer test failure
1-4-4
Software NMI port test failure
2-1-1
through
2-4-4
Bit failure in the first 64 KB of main
memory
3-1-1
Slave DMA-register failure
Faulty system board. See "
Troubleshooting the System Board
" in "Troubleshooting Your System."
3-1-2
Master DMA-register failure
3-1-3
Master interrupt-mask register failure
3-1-4
Slave interrupt-mask register failure
3-2-2
Interrupt vector loading failure