Table 4-6. (Continued)BDS Phase POST Code Table

Functionality Name (Include\

Phase

Post

Description

PostCode.h)

Code

 

 

 

 

 

 

BDS_CONNECT_STD_ERR

BDS

18

Error report device

 

 

 

initialization

 

 

 

 

BDS_CONNECT_USB_HC

BDS

19

USB host controller

 

 

 

initialization

 

 

 

 

BDS_CONNECT_USB_BUS

BDS

1A

USB BUS driver initialization

 

 

 

 

BDS_CONNECT_USB_DEVICE

BDS

1B

USB device driver

 

 

 

initialization

 

 

 

 

BDS_NO_CONSOLE_ACTION

BDS

1C

Console device initial fail

 

 

 

 

BDS_DISPLAY_LOGO_SYSTEM_INFO

BDS

1D

Display logo or system

 

 

 

information

 

 

 

 

BDS_START_IDE_CONTROLLER

BDS

1E

IDE controller initialization

 

 

 

 

BDS_START_SATA_CONTROLLER

BDS

1F

SATA controller initialization

 

 

 

 

BDS_START_ISA_ACPI_CONTROLLER

BDS

20

SIO controller initialization

 

 

 

 

BDS_START_ISA_BUS

BDS

21

ISA BUS driver initialization

 

 

 

 

BDS_START_ISA_FDD

BDS

22

Floppy device initialization

 

 

 

 

BDS_START_ISA_SEIRAL

BDS

23

Serial device initialization

 

 

 

 

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 M

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

 

 

 

 

Troubleshooting

4-21

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