Intel D945GCCR Product Specification - Page 82

Table 40. Typical Port 80h POST Sequence

Page 82 highlights

Intel Desktop Board D945GCCR Technical Product Specification Table 40. Typical Port 80h POST Sequence POST Code 21 22 23 25 28 34 E4 12 13 50 51 92 90 94 95 EB 58 5A 92 90 94 5A 28 90 94 E7 01 00 Description Initializing a chipset component Reading SPD from memory DIMMs Detecting presence of memory DIMMs Configuring memory Testing memory Loading recovery capsule Entered DXE phase Starting Application processor initialization SMM initialization Enumerating PCI busses Allocating resourced to PCI bus Detecting the presence of the keyboard Resetting keyboard Clearing keyboard input buffer Keyboard Self Test Calling Video BIOS Resetting USB bus Resetting PATA/SATA bus and all devices Detecting the presence of the keyboard Resetting keyboard Clearing keyboard input buffer Resetting PATA/SATA bus and all devices Testing memory Resetting keyboard Clearing keyboard input buffer Waiting for user input INT 19 Ready to boot 82

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Intel Desktop Board D945GCCR Technical Product Specification
82
Table 40. 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