3.Q-Code LEDs

The Q-Code LED design provides you the 2-digit display, allowing you to know the system status. Refer to the Q-code table below for details.

Q-Code table

Code

Description

 

00

Not used

 

01

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

 

02

AP 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

09PCH initialization after microcode loading

0A 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 loading

2B – 2F Memory initialization

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

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Chapter 2: Hardware information