Q-Code table

Code Description

00Not used

01Power on. Reset type detection (soft/hard).

02AP initialization before microcode loading

03System Agent initialization before microcode loading

04PCH initialization before microcode loading

06Microcode loading

07AP initialization after microcode loading

08System Agent initialization after microcode loading

09PCH initialization after microcode loading

0B

Cache initialization

0C – 0D

Reserved for future AMI SEC error codes

0E

Microcode not found

0F

Microcode not loaded

10PEI 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

30Reserved for ASL (see ASL Status Codes section below)

31Memory 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

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1 Chapter

1-34

Chapter 1: Product introduction