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4-30 Troubleshooting
BDS_EFI64_SHADOW_ALL_LEGACY_ROM BDS 2C Shadow Misc Option
ROM
BDS_ACPI_S3SAVE BDS 2D Save S3 resume
required data in RAM
BDS_READY_TO_BOOT_EVENT BDS 2E Last Chipset initial before
boot to OS
BDS_GO_LEGACY_BOOT BDS 2F Start to boot Legacy OS
BDS_GO_UEFI_BOOT BDS 30 Start to boot UEFI OS
BDS_LEGACY16_PREPARE_TO_BOOT BDS 31 Prepare to Boot to
Legacy OS
BDS_EXIT_BOOT_SERVICES* BDS 32 Send END of POST
Message to ME via HECI
BDS_LEGACY_BOOT_EVENT BDS 33 Last Chipset initial before
boot to Legacy OS.
BDS_ENTER_LEGACY_16_BOOT BDS 34 Ready to Boot Legacy
OS.
BDS_RECOVERY_START_FLASH BDS 35 Fast Recovery Start
Flash.
* 3
rd
party relate functions – Platform dependence.
Table 4-7. PostBDS 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_INTI9 POST_BDS FD Legacy 16 boot entry
POST_BDS_BOOT_SECTOR POST_BDS FE Try to Boot with INT 19
Table 4-6. BDS Phase POST Code Table (Continued)
Functionality Name (Include\PostCode.h) Phase Post
Code
Description