55
Onboard LEDs
Debug Code LED Table
SEC Progress Codes
01
Power on. Reset type detection (soft/
hard)
02 AP initialization before microcode loading
03
System Agent initialization before
microcode loading
04
PCH initialization before microcode
loading
06 Microcode loading
07 AP initialization after microcode loading
08
System Agent initialization after
microcode loading
09 PCH initialization after microcode loading
0B Cache initialization
SEC Error Codes
0C - 0D Reserved for future AMI SEC error codes
0E Microcode not found
0F Microcode not loaded
PEI Progress Codes
10 PEI Core is started
11 Pre-memory CPU initialization is started
12 - 14
Pre-memory CPU initialization (CPU
module specific)
15
Pre-memory System Agent initialization
is started
16 - 18
Pre-Memory System Agent initialization
(System Agent module specific)
19 Pre-memory PCH initialization is started
1A - 1C
Pre-memory PCH initialization (PCH
module specific)
2B
Memory initialization. Serial Presence
Detect (SPD) data reading
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
4B Memory not installed (For Summit CPU)
E0 Memory not installed (For Bristol CPU)
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
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