43
Onboard LEDs
2C
Memory initialization. Memory presence
detection
2D
Memory initialization. Programming
memory timing information
2E
Memory initialization. Configuring
memory
2F Memory initialization (other)
31 Memory Installed
32 CPU post-memory initialization is started
33
CPU post-memory initialization. Cache
initialization
34
CPU post-memory initialization.
Application Processor(s) (AP)
initialization
35
CPU post-memory initialization. Boot
Strap Processor (BSP) selection
36
CPU post-memory initialization. System
Management Mode (SMM) initialization
37
Post-Memory System Agent initialization
is started
38 - 3A
Post-Memory System Agent initialization
(System Agent module specific)
3B Post-Memory PCH initialization is started
3C - 3E
Post-Memory PCH initialization (PCH
module specific)
4F DXE IPL is started
PEI Error Codes
50
Memory initialization error. Invalid
memory type or incompatible memory
speed
51
Memory initialization error. SPD reading
has failed
52
Memory initialization error. Invalid
memory size or memory modules do
not match
53
Memory initialization error. No usable
memory detected
54 Unspecified memory initialization error
55 Memory not installed
56 Invalid CPU type or Speed
57 CPU mismatch
58
CPU self test failed or possible CPU
cache error
59
CPU micro-code is not found or micro-
code update is failed
5A Internal CPU error
5B Reset PPI is not available
5C - 5F Reserved for future AMI error codes
DXE Progress Codes
60 DXE Core is started
61 NVRAM initialization
62 Installation of the PCH Runtime Services
63 CPU DXE initialization is started
64 - 67
CPU DXE initialization (CPU module
specific)
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 specific)
70 PCH DXE initialization is started
71 PCH DXE SMM initialization is started
72 PCH devices initialization
73 - 77
PCH DXE Initialization (PCH module
specific)
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
94 PCI Bus Enumeration 32
95 PCI Bus Request Resources
96 PCI Bus Assign Resources
97 Console Output devices connect
98 Console input devices connect
99 Super IO Initialization
9A USB initialization is started
9B USB Reset
9C USB Detect
9D USB Enable
9E -9F Reserved for future AMI codes
A0 IDE initialization is started
A1 IDE Reset
A2 IDE Detect
A3 IDE Enable
A4 SCSI initialization is started
A5 SCSI Reset
A6 SCSI Detect
A7 SCSI Enable