User Guide

Code Description
AC Reserved for ASL (see ASL Status Codes section below)
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)
B8– BF Reserved for future AMI codes
D0 CPU initialization error
D1 System Agent initialization error
D2 PCH initialization error
D3 Some of the Architectural Protocols are not available
D4 PCI resource allocation error. Out of Resources
D5 No Space for Legacy Option ROM
D6 No Console Output Devices are found
D7 No Console Input Devices are found
D8 Invalid password
D9 Error loading Boot Option (LoadImage returned error)
DA Boot Option is failed (StartImage returned error)
DB Flash update is failed
DC Reset protocol is not available
ACPI/ASL 檢查表（於操作系統下）
Code Description
03 System is entering S3 sleep state
04 System is entering S4 sleep state
05 System is entering S5 sleep state
30 System is waking up from the S3 sleep state
40 System is waking up from the S4 sleep state
AC
System has transitioned into ACPI mode. Interrupt controller is in PIC
mode.
AA
System has transitioned into ACPI mode. Interrupt controller is in APIC
mode.