Intel Desktop Board DG33BU Technical Product Specification

Table 38. Typical Port 80h POST Sequence

POST Code

Description

 

 

21

Initializing a chipset component

 

 

22

Reading SPD from memory DIMMs

 

 

23

Detecting presence of memory DIMMs

 

 

25

Configuring memory

 

 

28

Testing memory

 

 

34

Loading recovery capsule

 

 

E4

Entered DXE phase

 

 

12

Starting application processor initialization

 

 

13

SMM initialization

 

 

50

Enumerating PCI busses

 

 

51

Allocating resourced to PCI bus

 

 

92

Detecting the presence of the keyboard

 

 

90

Resetting keyboard

 

 

94

Clearing keyboard input buffer

 

 

95

Keyboard Self Test

 

 

EB

Calling Video BIOS

 

 

58

Resetting USB bus

 

 

5A

Resetting PATA/SATA bus and all devices

 

 

92

Detecting the presence of the keyboard

 

 

90

Resetting keyboard

 

 

94

Clearing keyboard input buffer

 

 

5A

Resetting PATA/SATA bus and all devices

 

 

28

Testing memory

 

 

90

Resetting keyboard

 

 

94

Clearing keyboard input buffer

 

 

E7

Waiting for user input

 

 

01

INT 19

 

 

00

Ready to boot

 

 

72

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Intel DG33BU specifications Typical Port 80h Post Sequence, Post Code Description