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1-14
Chapter 1: Product Introduction
Chapter 1
Q-Code table
(continued on the next page)
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
3B – 3E Post-Memory PCH initialization is started
4F DXE IPL is started
50 – 53
Memory initialization error. Invalid memory type or incompatible memory
speed
54
Unspecied 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
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