Siemens SIMATIC HMI IPC677C Operating Instructions Manual page 170

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