Biostar B550MH/E PRO, Manual

Page: 28 / 140

28 | Chapter 4: Useful help
Code Description
70 South Bridge DXE initialization is started
71 South Bridge DXE SMM initialization is started
72 South Bridge devices initialization
78 South Bridge DXE Initialization (South Bridge module specific)
79 ACPI module initialization
90 Boot Device Selection (BDS) phase is started
91 Driver connecting is started
92 PCI Bus initialization is started
93 PCI Bus Hot Plug Controller Initialization
94 PCI Bus Enumeration
95 PCI Bus Request Resources
96 PCI Bus Assign Resources
97 Console Output devices connect
98 Console input devices connect
99
Super IO Initialization
9A USB initialization is started
9B USB Reset
9C USB Detect
9D USB Enable
A0
IDE initialization is started
A1 IDE Reset
A2 IDE Detect
A3 IDE Enable
A4
SCSI initialization is started
A5 SCSI Reset
A6 SCSI Detect
A7 SCSI Enable
A8
Setup Verifying Password
A9 Start of Setup
AB Setup Input Wait
AD Ready To Boot event
AE Legacy Boot event
AF Exit Boot Services event
B0
Runtime Set Virtual Address MAP Begin
B1 Runtime Set Virtual Address MAP End
B2 Legacy Option ROM Initialization
B3 System Reset
B4 USB hot plug
B5 PCI bus hot plug
B6
Clean-up of NVRAM
B7 Configuration Reset (reset of NVRAM settings)