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.