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Chapter 2: Hardware information
Chapter 2
Q-Code table
Code Description
00
Not used
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
0C – 0D
Reserved for future AMI SEC error codes
0E
Microcode not found
0F
Microcode not loaded
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