Technical information

146 Chapter 4
NOTE: The color bar items indicate 3rd party related functions that are platorm dependent.
PostBDS POST Code Table
S3 Functions POST Code Table
ACPI Functions POST Code Table
SMM Functions POST Code Table
Functionality Name (Include\
PostCode.h)
Phase
Post
Code
Description
POST_BDS_NO_BOOT_DEVICE POST
_BDS
F9 No Boot Device
POST_BDS_START_IMAGE POST
_BDS
FB UEFI Boot Start Image
POST_BDS_ENTER_INT19 POST
_BDS
FD Legacy 16 boot entry
POST_BDS_JUMP_BOOT_SECTOR POST
_BDS
FE Try to Boot with INT 19
Functionality Name (Include\ PostCode.h) Phase
Post
Code
Description
POST_BDS_NO_BOOT_DEVICE POST
_BDS
F9 No Boot Device
POST_BDS_START_IMAGE POST
_BDS
FB UEFI Boot Start Image
POST_BDS_ENTER_INT19 POST
_BDS
FD Legacy 16 boot entry
POST_BDS_JUMP_BOOT_SECTOR POST
_BDS
FE Try to Boot with INT 19
Functionality Name (Include\ PostCode.h) Phase
Post
Code
Description
ASL_ENTER_S1 ASL 51 Prepare to enter S1
ASL_ENTER_S3 ASL 53 Prepare to enter S3
ASL_ENTER_S4 ASL 54 Prepare to enter S4
ASL_ENTER_S5 ASL 55 Prepare to enter S5
ASL_WAKEUP_S1 ASL E1 System wakeup from S1
ASL_WAKEUP_S3 ASL E3 System wakeup from S3
ASL_WAKEUP_S4 ASL E4 System wakeup from S4
Functionality Name (Include\
PostCode.h)
Phase
Post
Code
Description
SMM_IDENTIFY_FLASH_DEVICE SMM 0xA0 Identify Flash device in SMM
SMM_SMM_PLATFORM_INIT SMM 0xA2 SMM service initial
SMM_ACPI_ENABLE_START SMM 0xA6 OS call ACPI enable function
SMM_ACPI_ENABLE_END SMM 0xA7 ACPI enable function complete
SMM_S1_SLEEP_CALLBACK SMM 0xA1 Enter S1
SMM_S3_SLEEP_CALLBACK SMM 0xA3 Enter S3