Technical specifications
8.6 BIOS description
SIMATIC IPC847D
Operating Instructions, 01/2014, A5E32997454-AA
185
76H PEI_SB_REG_INIT South Bridge Early Initial Initialization of the South
Service case
77H PEI_PCIE_TRAINING PCIE Training Training phase of the PCIE
Service case
Initialization of the SM Bus
41H DXE_SB_SPI_INIT South bridge SPI initial Initialization of the Serial
Peripheral Interface in the
Service case
42H DXE_CF9_RESET Setup Reset service,
Setup Reset service Service case
43H DXE_SB_SERIAL_GPIO_INIT South bridge Serial GPIO
initial,
Initializations of the serial
GPIO
Service case
44H DXE_SMMACCESS Setup SMM ACCESS
Setup SMM access service Service case
45H DXE_NB_INIT North bridge Middle initial Initialization of the North
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,
Setup service Legacy
region
Service case
48H DXE_SB_INIT South Bridge Middle Initial Initialization of the South
Service case
DXE_IDENTIFY_FLASH_DEVICE
4AH DXE_FTW_INIT Fault Tolerant Write
Checking of the write fault
Service case
4BH DXE_VARIABLE_INIT Variable Service Initial Initialization of the variable
Service case
4CH DXE_VARIABLE_INIT_FAIL Fail to initial Variable
Failure to initialize the
Service case
26H BDS_CONNECT_LEGACY_ROM Dispatch option ROMs Callup of the Legacy Option
Service case
27H BDS_ENUMERATE_ALL_BOOT_OP
Get boot device information Determine the Boot Device
Service case
BDS_END_OF_BOOT_SELECTION
Boot selection terminated
2CH BDS_EFI64_SHADOW_ALL_LEGAC
Shadow Misc Option ROM Copying the Legacy Option
Service case
2DH BDS_ACPI_S3SAVE Save S3 resume required
Make available for operating
state S3 RAM
Service case
2EH BDS_READY_TO_BOOT_EVENT Last Chipset initial before
Initialization of the last
chipset before the OS Boot
Service case