Embedded Intel® Atom Processor D2700 with Intel® NM10 Express Chipset Development Kit User‘s Manual

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Table 44. Port 80h POST Codes (continued)

Port 80 Code

Progress Code Enumeration

CPU DXE Phase
0x47
CPU DXE Phase begin
0x48
Refresh memory space attributes according to MTRRs
0x49
Load the microcode if needed
0x4A
Initialize strings to HII database
0x4B
Initialize MP support
0x4C
CPU DXE Phase End
CPU DXE SMM Phase
0x4D
CPU DXE SMM Phase begin
0x4E
Relocate SM bases for all APs
0x4F
CPU DXE SMM Phase end
I/O BUSES
0x50
Enumerating PCI buses
0x51
Allocating resources to PCI bus
0x52
Hot Plug PCI controller initialization
USB
0x58
Resetting USB bus
0x59
Reserved for USB
ATA/ATAPI/SATA
0x5A
Resetting PATA/SATA bus and all devices
0x5B
Reserved for ATA
BDS
0x60
BDS driver entry point initialize
0x61
BDS service routine entry point (can be called multiple times)
0x62
BDS Step2
0x63
BDS Step3
0x64
BDS Step4
0x65
BDS Step5
0x66
BDS Step6
0x67
BDS Step7
0x68
BDS Step8
0x69
BDS Step9
0x6A
BDS Step10
0x6B
BDS Step11
0x6C
BDS Step12
0x6D
BDS Step13
0x6E
BDS Step14
0x6F
BDS return to DXE core (should not get here)

continued