User Guide
2-24
Chapter 2: Hardware Information
8. Q-Code LED (LED1)
TheQ-CodeLEDdesignprovidesyouthe2-digitdisplay,allowingyoutoknowthesystem
status.RefertotheQ-codetablebelowfordetails.
Code Description
00
Not used
01
Poweron.Resettypedetection(soft/hard).
02
APinitializationbeforemicrocodeloading
03
SystemAgentinitializationbeforemicrocodeloading
04
PCHinitializationbeforemicrocodeloading
06
Microcodeloading
07
APinitializationaftermicrocodeloading
08
SystemAgentinitializationaftermicrocodeloading
09
PCHinitializationaftermicrocodeloading
0A
Initialization after microcode loading
0B
Cacheinitialization
0C – 0D
ReservedforfutureAMISECerrorcodes
0E
Microcodenotfound
0F
Microcodenotloaded
10
PEICoreisstarted
11 – 14
Pre-memoryCPUinitializationisstarted
15 – 18
Pre-memorySystemAgentinitializationisstarted
19 – 1C
Pre-memoryPCHinitializationisstarted
2B – 2F
Memoryinitialization
30
ReservedforASL(seeASLStatusCodessectionbelow)
Q-Code table