Error Messages and Indicators

POST Code

Description

 

 

 

CPU Initialization (PEI, DXE, SMM)

 

 

41-43

Begin to end CPU PEI init

 

 

44-46

Begin to end CPU SMM init/relocate bases

 

 

47-4C

CPU DXE phase begin to end

 

 

4D-4F

CPU DXE SMM phase begin to end

 

 

 

I/O Buses

 

 

50-52

PCI enumeration, allocation, hot plug

 

 

58, 59

Resetting USB bus

 

 

5A, 5B

Resetting SATA bus and all devices

 

 

5F

Unrecoverable error, start with PIC

 

 

 

Boot Device Selection (BDS)

 

 

60-6F

BDS driver entry

 

 

E4

Entered DXE phase

 

 

E7

Waiting for user input

 

 

E8

Checking password

 

 

E9

Entering BIOS setup

 

 

EB

Calling legacy option ROMs

 

 

 

Keyboard/Mouse (PS/2 or USB)

 

 

90-95

Keyboard initialization

 

 

98-9B

Mouse initialization

 

 

 

Fixed Media

 

 

B0-BF

Detecting and initializing fixed media

 

 

 

Runtime Phase/EFI Operating System Boot

 

 

F8

EFI boot service ExitBootServices

 

 

F9

EFI runtime service SetVirtualAddressMap

 

 

77

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Intel BLKDX58SO2 manual Buses, Boot Device Selection BDS, Keyboard/Mouse PS/2 or USB, Fixed Media