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Fehlerdiagnose
Beep Codes
Beeps
Error Message
1
USB device action
®
1 long
Intel
TXT security
violation
3
Memory error
2
BIOS Recovery
started
4
BIOS Recovery
failure
Code
Reason for Beep
1-5-2-1
No CPUs installed or first CPU socket is
empty.
1-5-2-4
MSID Mismatch
1-5-4-2
Power fault
1-5-4-4
Power control fault (power good assertion
timeout).
1-5-1-2
VR Watchdog Timer sensor assertion
1-5-1-4
Power Supply Status
POST Progre ss Code
NA
Short beep sounded whenever a USB device is discovered
in POST, or inserted or removed during runtime
0xAE, 0xAF
System halted because Intel
Technology detected a potential violation of system
security.
See Tables 28 and 29
System halted because a fatal error related to the memory
was detected.
NA
Recovery boot has been initiated
NA
BIOS recovery has failed. This typically happens so quickly
after recovery us initiated that it sounds like a 2-4 beep
code.
CPU1 socket is empty, or sockets are populated
incorrectly
CPU1 must be populated before CPU2.
MSID mismatch occurs if a processor is installed into a
system board that has incompatible power capabilities.
DC power unexpectedly lost (power good dropout) –
Power unit sensors report power unit failure offset
Power good assertion timeout – Power unit sensors
report soft power control failure offset
VR controller DC power on sequence was not
completed in time.
The system does not power on or unexpectedly powers
off and a Power Supply Unit (PSU) is present that is an
incompatible model with one or more other PSUs in the
system.
24
Description
®
Trusted Execution
Associated Sensors
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