Table of Contents
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Q-Code table
Code
Description
Not used
00
Power on. Reset type detection (soft/hard).
01
AP initialization before microcode loading
02
03
System Agent initialization before microcode loading
PCH initialization before microcode loading
04
Microcode loading
06
AP initialization after microcode loading
07
System Agent initialization after microcode loading
08
PCH initialization after microcode loading
09
Cache initialization
0B
0C – 0D
Reserved for future AMI SEC error codes
Microcode not found
0E
Microcode not loaded
0F
PEI Core is started
10
Pre-memory CPU initialization is started
11 – 14
Pre-memory System Agent initialization is started
15 – 18
Pre-memory PCH initialization is started
19 – 1C
2B – 2F
Memory initialization
Reserved for ASL (see ASL Status Codes section below)
30
Memory Installed
31
CPU post-memory initialization
32 – 36
Post-Memory System Agent initialization is started
37 – 3A
Post-Memory PCH initialization is started
3B – 3E
DXE IPL is started
4F
1-30
(continued on the next page)
Chapter 1: Product introduction
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