Debug Code Led Table - MSI Z270 GAMING M6 AC Instructions Manual

Debug Code LED Table

SEC Progress Codes
Power on. Reset type detection (soft/
01
hard)
02 AP initialization before microcode loading
System Agent initialization before
03
microcode loading
PCH initialization before microcode
04
loading
06 Microcode loading
07 AP initialization after microcode loading
System Agent initialization after
08
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
Pre-memory CPU initialization (CPU
12 - 14
module specific)
Pre-memory System Agent initialization
15
is started
Pre-Memory System Agent initialization
16 - 18
(System Agent module specific)
19 Pre-memory PCH initialization is started
Pre-memory PCH initialization (PCH
1A - 1C
module specific)
Memory initialization. Serial Presence
2B
Detect (SPD) data reading
Memory initialization. Memory presence
2C
detection
Memory initialization. Programming
2D
memory timing information
Memory initialization. Configuring
2E
memory
2F Memory initialization (other)
31 Memory Installed
32 CPU post-memory initialization is started
46
Onboard LEDs
CPU post-memory initialization. Cache
33
initialization
CPU post-memory initialization.
34 Application Processor(s) (AP)
initialization
CPU post-memory initialization. Boot
35
Strap Processor (BSP) selection
CPU post-memory initialization. System
36
Management Mode (SMM) initialization
Post-Memory System Agent initialization
37
is started
Post-Memory System Agent initialization
38 - 3A
(System Agent module specific)
3B Post-Memory PCH initialization is started
Post-Memory PCH initialization (PCH
3C - 3E
module specific)
4F DXE IPL is started
PEI Error Codes
Memory initialization error. Invalid
50 memory type or incompatible memory
speed
Memory initialization error. SPD reading
51
has failed
Memory initialization error. Invalid
52 memory size or memory modules do
not match
Memory initialization error. No usable
53
memory detected
54 Unspecified memory initialization error
55 Memory not installed
56 Invalid CPU type or Speed
57 CPU mismatch
CPU self test failed or possible CPU
58
cache error
CPU micro-code is not found or micro-
59
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