Alarm, error, and system messages
12.3 BIOS beep codes
SIMATIC HMI IPC677C
Operating Instructions, 04/2013, A5E02722710-04
169
Display
(hex)
Meaning
Description
Remedy
22H
BDS_START_ISA_FDD
Floppy device
initial
Initialization of the
floppy connection
Service case
23H
BDS_START_ISA_SERIAL
Serial device
initial
Initialization of the
serial connection
Service case
24H
BDS_START_IDE_BUS
IDE device initial Initialization of the IDE
connection
Service case
25H
BDS_START_AHCI_BUS
AHCI device
initial
Initialization of the AHCI
connection
Service case
56H
DXE_RELOCATE_SMBASE
Relocate SMM
BASE
Reassign SMM base
Service case
57H
DXE_FIRST_SMI
SMI test
SMI test
Service case
58H
DXE_VTD_INIT
VTD Initial
Initialize I/O
virtualization (VTD)
Service case
59H
DXE_BEFORE_CSM16_INIT
Legacy BIOS
initial
Legacy BIOS
initialization
Service case
5AH
DXE_AFTER_CSM16_INIT
Legacy interrupt
function initial
Legacy interrupts
initialization
Service case
5BH
DXE_LOAD_ACPI_TABLE
ACPI Table
Initial
ACPI table initialization Service case
5CH
DXE_SB_DISPATCH
Setup SB SMM
Dispatcher
service,
DXE_SB_Dispat
ch
SMM dispatcher service Service case
5DH
DXE_SB_IOTRAP_INIT
Setup SB
IOTRAP Service
SouthBridge IOTRAP
service
Service case
5EH
DXE_SUBCLASS_DRIVER
Build AMT Table Initialization of the AMT
(Active Management
Technology) table
Service case
5FH
DXE_PPM_INIT
PPM Initial
Initialization of the
Processor Power
Management
Service case
60H
DXE_HECIDRV_INIT
HECIDRV Initial Initialization of the Host
Embedded Controller
Interface
Service case
61H
DXE_VARIABLE_RECLAIM
Variable store
garbage
collection and
reclaim
operation
Loading of the variable
memory
Service case
7AH
PEI_PROGRAM_CLOCK_GEN
Clock Generator
Initial
Initializations of the
clock generator
Service case
7BH
PEI_IGD_EARLY_INITIAL
Internal Graphic
device early
initial,
PEI_IGDOpRegi
on
First initialization of the
graphic connection
Service case