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Status Code
Description
0x80 – 0x8F
OEM DXE initialization codes
0x90
Boot Device Selection (BDS) phase is started
0x91
Driver connecting is started
0x92
PCI Bus initialization is started
0x93
PCI Bus Hot Plug Controller Initialization
0x94
PCI Bus Enumeration
0x95
PCI Bus Request Resources
0x96
PCI Bus Assign Resources
0x97
Console Output devices connect
0x98
Console input devices connect
0x99
Super IO Initialization
0x9A
USB initialization is started
0x9B
USB Reset
0x9C
USB Detect
0x9D
USB Enable
0x9E – 0x9F
Reserved for future AMI codes
0xA0
IDE initialization is started
0xA1
IDE Reset
0xA2
IDE Detect
0xA3
IDE Enable
0xA4
SCSI initialization is started
0xA5
SCSI Reset
0xA6
SCSI Detect
0xA7
SCSI Enable
0xA8
Setup Verifying Password
0xA9
Start of Setup
0xAA
Reserved for ASL (see ASL Status Codes section below)
0xAB
Setup Input Wait
0xAC
Reserved for ASL (see ASL Status Codes section below)
0xAD
Ready To Boot event
0xAE
Legacy Boot event
0xAF
Exit Boot Services event
0xB0
Runtime Set Virtual Address MAP Begin
0xB1
Runtime Set Virtual Address MAP End
0xB2
Legacy Option ROM Initialization
0xB3
System Reset
0xB4
USB hot plug
0xB5
PCI bus hot plug
0xB6
Clean-up of NVRAM
0xB7
Configuration Reset (reset of NVRAM settings)
0xB8 – 0xBF
Reserved for future AMI codes
0xC0 – 0xCF
OEM BDS initialization codes
C-5
AT8060
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