BIOS CHECKPOINTS
3-56
ACPI/ASL Checkpoints
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
Table 45: ACPI/ASL Checkpoints
STATUS CODE DESCRIPTION
0x01 System is entering S1 sleep state
0x02 System is entering S2 sleep state
0x03 System is entering S3 sleep state
0x04 System is entering S4 sleep state
0x05 System is entering S5 sleep state
0x10 System is waking up from the S1 sleep state
0x20 System is waking up from the S2 sleep state
0x30 System is waking up from the S3 sleep state
0x40 System is waking up from the S4 sleep state
0xAC System has transitioned into ACPI mode. Interrupt controller is in APIC mode.
0xAA System has transitioned into ACPI mode. Interrupt controller is in APIC mode.
Table 44: DXE Phase (Continued)
STATUS CODE DESCRIPTION
To Next Page
Loading...
Need help?
General
