ACPI Runtime Checkpoints
ACPI checkpoints are displayed when an ACPI capable operating system either enters or leaves a sleep state.
The following table describes the type of checkpoints that may occur during ACPI sleep or wake events:
Checkpoint
AC
AA
01, 02, 03, 04, 05
10, 20, 30, 40, 50
Chapter 4
First ASL check point. Indicates the system is running in ACPI mode.
System is running in APIC mode.
Entering sleep state S1, S2, S3, S4, or S5.
Waking from sleep state S1, S2, S3, S4, or S5.
Description
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