Table 24. POST Codes – BDS Phase (continued)
BDS_START_ISA_ACPI_CONTROLLER 0x20
BDS_START_ISA_BUS 0x21
BDS_START_ISA_FDD 0x22
BDS_START_ISA_SEIRAL 0x23
BDS_START_IDE_BUS 0x24
BDS_START_AHCI_BUS 0x25
BDS_CONNECT_LEGACY_ROM 0x26
BDS_ENUMERATE_ALL_BOOT_OPTION 0x27
BDS_END_OF_BOOT_SELECTION 0x28
BDS_ENTER_SETUP 0x29
BDS_ENTER_BOOT_MANAGER 0x2A
BDS_BOOT_DEVICE_SELECT 0x2B
BDS_EFI64_SHADOW_ALL_LEGACY_RO M 0x2C
BDS_ACPI_S3SAVE 0x2D
BDS_READY_TO_BOOT_EVENT 0x2E
BDS_GO_LEGACY_BOOT 0x2F
BDS_GO_UEFI_BOOT 0x30
BDS_LEGACY16_PREPARE_TO_BOOT 0x31
BDS_EXIT_BOOT_SERVICES 0x32
BDS_LEGACY_BOOT_EVENT 0x33
BDS_ENTER_LEGACY_16_BOOT 0x34
BDS_RECOVERY_START_FLASH 0x35
BDS_START_SDHC_BUS 0x36
BDS_CONNECT_ATA_LEGACY 0x37
BDS_CONNECT_SD_LEGACY 0x38
POST_BDS_NO_BOOT_DEVICE 0xF9
POST_BDS_START_IMAGE 0xFB
POST_BDS_ENTER_INT19 0xFD
POST_BDS_JUMP_BOOT_SECTOR 0xFE
SMM Phase
POST Codes – SMM Phase
Table 25. POST Codes – SMM Phase
Description Value
SMM_IDENTIFY_FLASH_DEVICE 0xA0
SMM_SMM_PLATFORM_INIT 0xA2
SMM_ACPI_ENABLE_START 0xA6
SMM_ACPI_ENABLE_END 0xA7
SMM_S1_SLEEP_CALLBACK 0xA1
SMM_S3_SLEEP_CALLBACK 0xA3
Appendix C. Post Codes 59
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