840x7A – 0x7F Reserved for future AMI DXE codes0x80 – 0x8F OEM DXE initialization codes0x90 Boot Device Selection (BDS) phase is started0x91 Driver connecting is started0x92 PCI Bus initialization is started0x93 PCI Bus Hot Plug Controller Initialization0x94 PCI Bus Enumeration0x95 PCI Bus Request Resources0x96 PCI Bus Assign Resources0x97 Console Output devices connect0x98 Console input devices connect0x99 Super IO Initialization0x9A USB initialization is started0x9B USB Reset0x9C USB Detect0x9D USB Enable0x9E – 0x9F Reserved for future AMI codes0xA0 IDE initialization is started0xA1 IDE Reset0xA2 IDE Detect0xA3 IDE Enable0xA4 SCSI initialization is started0xA5 SCSI Reset0xA6 SCSI Detect0xA7 SCSI Enable0xA8 Setup Verifying Password0xA9 Start of Setup0xAA Reserved for ASL (see ASL Status Codes section below)0xAB Setup Input Wait0xAC Reserved for ASL (see ASL Status Codes section below)0xAD Ready To Boot event0xAE Legacy Boot event0xAF Exit Boot Services event0xB0 Runtime Set Virtual Address MAP Begin0xB1 Runtime Set Virtual Address MAP End0xB2 Legacy Option ROM Initialization0xB3 System Reset0xB4 USB hot plug0xB5 PCI bus hot plug0xB6 Clean-up of NVRAM0xB7 Configuration Reset (reset of NVRAM settings)0xB8 – 0xBF Reserved for future AMI codes0xC0 – 0xCF OEM BDS initialization codesDXE Error Codes0xD0 CPU initialization error0xD1 North Bridge initialization error0xD2 South Bridge initialization error0xD3 Some of the Architectural Protocols are not available0xD4 PCI resource allocation error. Out of Resources0xD5 No Space for Legacy Option ROM0xD6 No Console Output Devices are found0xD7 No Console Input Devices are found0xD8 Invalid password0xD9 Error loading Boot Option (LoadImage returned error)0xDA Boot Option is failed (StartImage returned error)0xDB Flash update is failed0xDC Reset protocol is not available