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Troubleshooting 4-25
Table 4-6. PostBDS Functionality
Definition Code Description
#define POST_BDS_NO_BOOT_DEVICE 0xF9 No Boot Device,
PostBDS_NO_BOOT_DEVICE
#define POST_BDS_START_IMAGE 0xFB UEFI Boot Start Image,
PostBDS_START_IMAGE
#define POST_BDS_ENTER_INT19 0xFD Legacy 16 boot entry
#define
POST_BDS_JUMP_BOOT_SECTOR
0xFE Try to Boot with INT 19
Table 4-7. SMM Functionality
Definition Code Description
#define SMM_IDENTIFY_FLASH_
DEVICE
0xA0 Identify Flash device in SMM
#define SMM_SMM_PLATFORM_INIT 0xA2 SMM service initial
#define SMM_ACPI_ENABLE_START 0xA6 OS call ACPI enable function
#define SMM_ACPI_ENABLE_END 0xA7 ACPI enable function complete
#define SMM_S1_SLEEP_CALLBACK 0xA1 Enter S1
#define SMM_S3_SLEEP_CALLBACK 0xA3 Enter S3
#define SMM_S4_SLEEP_CALLBACK 0xA4 Enter S4
#define SMM_S5_SLEEP_CALLBACK 0xA5 Enter S5
#define SMM_ACPI_DISABLE_START 0xA8 OS call ACPI disable function
#define SMM_ACPI_DISABLE_END 0xA9 ACPI disable function complete
Table 4-8. S3 Functionality
Definition Code Description
#define S3_RESTORE_MEMORY_
CONTROLLER
0xC0 Memory initial for S3 resume
#define S3_INSTALL_S3_MEMORY 0xC1 Get S3 resume required data from
memory
#define S3_SWITCH_STACK 0xC2 Start to use memory during S3 resume
#define S3_MEMORY_CALLBACK 0xC3 Set cache for physical memory during
S3 resume
#define S3_ENTER_S3_RESUME_PEIM 0xC4 Start to restore system configuration