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Asus Z9PE-D8 WS User Manual

Page 44

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2-22

Chapter 2: Hardware information

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.

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

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

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)

Q-Code table