Alarm, error, and system messages
12.3 BIOS beep codes
SIMATIC HMI IPC677C
166
Operating Instructions, 04/2013, A5E02722710-04
Display
(hex)
Meaning
Description
Remedy
73H
PEI_CPU_HT_RESET
HyperTransport
initial
Initialize Hyper
Transport functionality
Service case
74H
PEI_PCIE_MMIO_INIT
PCIE MMIO
BAR Initial
Initialize PCIE Register Service case
75H
PEI_NB_REG_INIT
North Bridge
Early Initial
Initialization of the
North bridge
Service case
76H
PEI_SB_REG_INIT
South Bridge
Early Initial
Initialization of the
South bridge
Service case
77H
PEI_PCIE_TRAINING
PCIE Training
Training phase of the
PCIE device
Service case
79H
PEI_SMBUS_INIT
SMBUS Early
Initial
Initialization of the SM
Bus
Service case
41H
DXE_SB_SPI_INIT
South bridge
SPI initial
Initialization of the
Serial Peripheral
Interface in the South
Bridge
Service case
42H
DXE_CF9_RESET
Setup Reset
service,
DXE_CF9Reset
Setup Reset service
Service case
43H
DXE_SB_SERIAL_GPIO_INIT
South bridge
Serial GPIO
initial,
DXE_SB_Serial
GPIO_INIT
Initializations of the
serial GPIO
Service case
44H
DXE_SMMACCESS
Setup SMM
ACCESS
service
Setup SMM access
service
Service case
45H
DXE_NB_INIT
North bridge
Middle initial
Initialization of the
North Bridge
Service case
46H
DXE_SIO_INIT
Super I/O DXE
initial
Initialization of the
Super IO
Service case
47H
DXE_LEGACY_REGION
Setup Legacy
Region service,
DXE_LegacyRe
gion
Setup service Legacy
region
Service case
48H
DXE_SB_INIT
South Bridge
Middle Initial
Initialization of the
South Bridge
Service case
49H
DXE_IDENTIFY_FLASH_DEVICE
Identify Flash
device
Identify FLASH type
Service case
4AH
DXE_FTW_INIT
Fault Tolerant
Write verification
Checking of the write
fault tolerance
Service case
4BH
DXE_VARIABLE_INIT
Variable Service
Initial
Initialization of the
variable service
Service case
4CH
DXE_VARIABLE_INIT_FAIL
Fail to initial
Variable Service
Failure to initialize the
variable service
Service case
26H
BDS_CONNECT_LEGACY_ROM
Dispatch option
ROMs
Callup of the Legacy
Option ROMs
Service case