1-26
Chapter 1: Product introduction
Chapter 1
Code Description
00
Not used
02
microcode
03
CACHE_ENABLED
04
PCH initialization
06
CPU_EARLY_INIT
10
PEI Core is started
11 – 14
Pre-memory CPU initialization is started
15 – 18
Pre-memory System Agent initialization is started
19 – 1C
Pre-memory PCH initialization is started
2B – 2F
Memory initialization
30
Reserved for ASL (see ASL Status Codes section below)
31
Memory Installed
32 – 36
CPU post-memory initialization
37 – 3A
Post-Memory System Agent initialization is started
3B – 3E
Post-Memory PCH initialization is started
4F
DXE IPL is started
50 – 53
Memory initialization error. Invalid memory type or incompatible memory
speed
F3
Recovery rmware image is found
F4
Recovery rmware image is loaded
F5 – F7
Reserved for future AMI progress codes
F8
Recovery PPI is not available
F9
Recovery capsule is not found
FA
Invalid recovery capsule
FB – FF
Reserved for future AMI error codes
60
DXE Core is started
61
NVRAM initialization
62
Installation of the PCH Runtime Services
63 – 67
CPU DXE initialization is started
68
PCI host bridge initialization
69
System Agent DXE initialization is started
6A
System Agent DXE SMM initialization is started
6B – 6F
System Agent DXE initialization (System Agent module specic)
70
PCH DXE initialization is started
71
PCH DXE SMM initialization is started
72
PCH devices initialization
73 – 77
PCH DXE Initialization (PCH module specic)
78
ACPI module initialization
79
CSM initialization
7A – 7F
Reserved for future AMI DXE codes
90
Boot Device Selection (BDS) phase is started
91
Driver connecting is started
92
PCI Bus initialization is started
93
PCI Bus Hot Plug Controller Initialization
(continued on the next page)