Q-Code table
Code
Description
Boot Device Selection (BDS) phase is started
90
Driver connecting is started
91
PCI Bus initialization is started
92
PCI Bus Hot Plug Controller Initialization
93
PCI Bus Enumeration
94
95
PCI Bus Request Resources
PCI Bus Assign Resources
96
Console Output devices connect
97
Console input devices connect
98
Super IO Initialization
99
USB initialization is started
9A
USB Reset
9B
9C
USB Detect
USB Enable
9D
Reserved for future AMI codes
9E – 9F
IDE initialization is started
A0
IDE Reset
A1
IDE Detect
A2
IDE Enable
A3
A4
SCSI initialization is started
SCSI Reset
A5
A6
SCSI Detect
SCSI Enable
A7
Setup Verifying Password
A8
Start of Setup
A9
Reserved for ASL (see ASL Status Codes section below)
AA
AB
Setup Input Wait
Reserved for ASL (see ASL Status Codes section below)
AC
AD
Ready To Boot event
Legacy Boot event
AE
Exit Boot Services event
AF
Runtime Set Virtual Address MAP Begin
B0
Runtime Set Virtual Address MAP End
B1
Legacy Option ROM Initialization
B2
System Reset
B3
ASUS ROG STRIX X570-E GAMING
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A-3