Action
PHASE
PEI(Pre-EFI
initialization) phase
DXE(Driver
Execution
Environment)
phase
Normal boot
BDS(Boot Device
Selection) phase
Operating system
phase
1-14
POST CODE
TYPE
51
MRC Progress
52
MRC Progress
58
MRC Progress
5A
MRC Progress
5B
MRC Progress
5C
MRC Progress
5D
MRC Progress
5F
MRC Progress
60
MRC Progress
61
MRC Progress
68
MRC Progress
69
MRC Progress
70
MRC Progress
71
MRC Progress
7D
MRC Progress
7E
MRC Progress
7F
MRC Progress
55
MRC Progress
32
Progress
34
Progress
36
Progress
4F
Progress
60
Progress
61
Progress
62
Progress
63
Progress
68
Progress
69
Progress
6A
Progress
70
Progress
71
Progress
72
Progress
78
Progress
79
Progress
90
Progress
91
Progress
92
Progress
93
Progress
94
Progress
95
Progress
96
Progress
97
Progress
98
Progress
99
Progress
9A
Progress
9B
Progress
9C
Progress
9D
Progress
b2
Progress
b3
Progress
b4
Progress
b6
Progress
b7
Progress
A0
Progress
A1
Progress
A2
Progress
A3
Progress
FF~00
Progress
A8
Progress
A9
Progress
AB
Progress
AD
Progress
AE
Progress
AA
Progress
AC
Progress
DESCRIPTION
MRC_RH_PREVENTION
MRC_GET_MRC_DATA
MRC_RETRAIN_CHECK
MRC_SA_GV_SWITCH
MRC_ALIAS_CHECK
MRC_ECC_CLEAN_START
MRC_DONE
MRC_CPGC_MEMORY_TEST
MRC_TXT_ALIAS_CHECK
MRC_ENG_PERF_GAIN
MRC_MEMORY_TEST
MRC_FILL_RMT_STRUCTURE
MRC_SELF_REFRESH_EXIT
MRC_NORMAL_MODE
MRC_SSA_PRE_STOP_POINT
MRC_NO_MEMORY_DETECTED
MRC_SSA_STOP_POINT
MRC_MEM_INIT_DONE
CPU Init.
CPU Init.
CPU Init.
DXE Initial Program Load(IPL)
DXE Core Started
DXE NVRAM Init.
SB run-time init.
DXE CPU Init
NB Init.
NB Init.
NB Init.
SB Init.
SB Init.
SB Init.
ACPI Init.
CSM Init.
BDS started
Connect device event
PCI Bus Enumeration
PCI Bus Enumeration
PCI Bus Enumeration
PCI Bus Enumeration
PCI Bus Enumeration
Console outout connect event
Console input connect event
AMI Super IO start
AMI USB Driver Init.
AMI USB Driver Init.
AMI USB Driver Init.
AMI USB Driver Init.
Legacy Option ROM Init.
Reset system
USB hotplug
NVRAM clean up
NVRAM configuration reset
IDE, AHCI Init.
IDE, AHCI Init.
IDE, AHCI Init.
IDE, AHCI Init.
Wait BMC ready(duration: 120 seconds).
BIOS Setup Utility password verify
BIOS Setup Utility start
BIOS Setup Utility input wait
Ready to boot event
Legacy boot event
APIC mode
PIC mode
Chapter 1: Product Introduction