Alarm, error, and system messages
12.3 BIOS beep codes
SIMATIC HMI IPC677C
170 Operating Instructions, 04/2013, A5E02722710-04
Display
(hex)
Meaning Description Remedy
7CH PEI_HECI_INIT HECI Initial Initialization of the Host
Embedded Controller
Interface
Service case
7DH PEI_WATCHDOG_INIT Watchdog timer
initial
Initialization of the
watchdog timer
Service case
7EH PEI_MEMORY_INIT Memory Initial
for Normal boot
Memory initialization
during the PEI phase
Replace the
memory modules
7FH PEI_MEMORY_INIT_FOR_CRISIS Memory Initial
for Crisis
Recovery
Memory initialization for
BIOS recovery
Replace the
memory modules
80H PEI_MEMORY_INSTALL Simple Memory
test
Memory test Replace the
memory modules
81H PEI_TXTPEI TXT function
early initial
Initialization of the
Trusted Execution
Technology
Service case
82H PEI_SWITCH_STACK Start to use
Memory
Start the memory use Service case
83H PEI_MEMORY_CALLBACK Set cache for
physical
memory
Use cache as a
physical memory
Service case
84H PEI_ENTER_RECOVERY_MODE Recovery device
initial
Initialize the device for
BIOS recovery
Service case
85H PEI_RECOVERY_MEDIA_FOUND Found Recovery
image
BIOS Recovery image
found
Service case
86H PEI_RECOVERY_MEDIA_NOT_FOUND Recovery image
not found
BIOS Recovery image
not found
Check whether
the BIOS
Recovery image
exists on the
recovery medium
(e.g. USB stick).
87H PEI_RECOVERY_LOAD_FILE_DONE Load Recovery
Image complete
Loading of BIOS
Recovery image
completed
Service case
88H PEI_RECOVERY_START_FLASH Start Flash
BIOS with
Recovery image
Starting of flashing of
BIOS Recovery image
Service case
89H PEI_ENTER_DXEIPL Loading BIOS
image to RAM
Copy BIOS image to
the RAM
Service case
8AH PEI_FINDING_DXE_CORE Loading DXE
core
Loading DXE (Driver
Execution Environment)
program
Service case
8BH PEI_GO_TO_DXE_CORE Enter DXE core Start DXE program Service case
Special codes
The BIOS does not generate any beep codes.
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