1 Chapter

Q-Code table

Code

Description

00

 

Not used

02

 

microcode

03

 

CACHE_ENABLED

04

 

PCH initialization

06

 

CPU_EARLY_INIT

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

 

Unspecified 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

5A

 

Internal CPU error

5B

 

Reset PPI is not available

5C – 5F

Reserved for future AMI error codes

E0

 

S3 Resume is stared (S3 Resume PPI is called by the DXE IPL)

E1

 

S3 Boot Script execution

E2

 

Video repost

E3

 

OS S3 wake vector call

E4 – E7

Reserved for future AMI progress codes

E8

 

S3 Resume Failed

E9

 

S3 Resume PPI not Found

EA

 

S3 Resume Boot Script Error

EB

 

S3 OS Wake Error

EC – EF

Reserved for future AMI error codes

F0

 

Recovery condition triggered by firmware (Auto recovery)

F1

 

Recovery condition triggered by user (Forced recovery)

(continued on the next page)

1-24

Chapter 1: Product introduction