16.2.4 Acoustic indicators
PEI Beep Codes
Pre-EFI Initialization (PEI) - memory Initialization (bootblock)
# of
Beep
Description Action
1 Memory not installed
▶
Check if the memory module is
installed.
▶
Check if the memory module is
installed correctly.
2
Recovery started Recovery procedure is initialized by
jumper settings on the system board and
announced with two beep.
This is only an information.
4 Recovery failed
▶
Restart the recovery procedure again.
▶
If the same beep code sounds again,
replace the system board.
DXE Beep Codes
Driver Execution Environment (DXE) - main hardware Initialization (POST)
Appendix A
456 Upgrade and Maintenance Manual RX2520 M5
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