Functionality Name (Include\

 

Phase

Post

 

 

 

Description

 

PostCode.h)

 

Code

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BDS_START_IDE_BUS

 

BDS

24

 

IDE device initialization

 

 

 

 

 

 

 

 

 

 

 

 

 

BDS_START_AHCI_BUS

 

BDS

25

 

AHCI device initialization

 

 

 

 

 

 

 

 

 

 

 

 

 

BDS_CONNECT_LEGACY_ROM

 

BDS

26

 

Dispatch option ROMs

 

 

 

 

 

 

 

 

 

 

 

 

 

BDS_ENUMERATE_ALL_BOOT_OPTION

 

BDS

27

 

Get boot device information

 

 

 

 

 

 

 

 

 

 

 

 

 

BDS_END_OF_BOOT_SELECTION

 

BDS

28

 

End of boot selection

 

 

 

 

 

 

 

 

 

 

 

 

 

BDS_ENTER_SETUP

 

BDS

29

 

Enter Setup Menu

 

 

 

 

 

 

 

 

 

 

 

 

 

BDS_ENTER_BOOT_MANAGER

 

BDS

2A

Enter Boot manager

 

 

 

 

 

 

 

 

 

 

 

 

 

BDS_BOOT_DEVICE_SELECT

 

BDS

2B

Try to boot system to OS

 

 

 

 

 

 

 

 

 

 

 

 

 

BDS_EFI64_SHADOW_ALL_LEGACY_RO

 

BDS

2C

Shadow Misc Option ROM

 

M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PostBDS POST Code Table

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Functionality Name (Include\

 

 

Phase

 

Post

 

 

 

Description

PostCode.h)

 

 

 

Code

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

S3 Functions POST Code Table

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Functionality Name (Include\ PostCode.h)

 

Phase

 

Post

Description

 

 

Code

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

160

Chapter 4

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Image 170
Aspire Digital 5820T manual PostBDS Post Code Table Functionality Name Include, Post Description PostCode.h