BIOS
C
HECKPOINTS
2-28
ACPI/ASL Checkpoints
OEM-Reserved Checkpoint Ranges
0xD4
PCI resource allocation error. Out of Resources
0xD5
No Space for Legacy Option ROM
0xD6
No Console Output Devices are found
0xD7
No Console Input Devices are found
0xD8
Invalid password
0xD9
Error loading Boot Option (LoadImage returned error)
0xDA
Boot Option is failed (StartImage returned error)
0xDB
Flash update is failed
0xDC
Reset protocol is not available
Table 16: ACPI/ASL Checkpoints
S
TATUS
C
ODE
D
ESCRIPTION
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 PIC mode.
0xAA
System has transitioned into ACPI mode. Interrupt controller is in APIC mode.
Table 17: OEM Reserved Checkpoint Ranges
S
TATUS
C
ODE
D
ESCRIPTION
0x05
OEM SEC initialization before microcode loading
0x0A
OEM SEC initialization after microcode loading
0x1D – 0x2A
OEM pre-memory initialization codes
0x3F – 0x4E
OEM PEI post memory initialization codes
0x80 – 0x8F
OEM DXE initialization codes
0xC0 – 0xCF
OEM BDS initialization codes
Table 15: DXE Phase (Continued)
S
TATUS
C
ODE
D
ESCRIPTION