Advanced Configuration and Power Interface Specification

ACPI Software Programming Model
Table 5-147 Control Method Sleep Button Notification Values
Hex value
0x80
0x81-0xBF
Description
S0 Sleep Button Pressed. Used to notify OSPM that the sleep button has been pressed
while the system is in the S0 state. Notice that when the button is pressed while the system is
in the S1-S4 state, a Device Wake notification must be issued instead.
Reserved.
Table 5-148 Control Method Lid Notification Values
Hex value
0x80
0x81-0xBF
Description
Lid Status Changed. Used to notify OSPM that the control method lid device status has
changed.
Reserved.
Table 5-149 NVDIMM Root Device Notification Values
Hex Value
0x80
0x81
0x82-0xBF
Description
NFIT Update Notification. Used to notify OSPM that it needs to re-evaluate the
_FIT method under the NVDIMM root device (represented by ACPI0012).
Reserved
Reserved
Table 5-150 NVDIMM Child Device Notification Values
Hex Value
0x80
0x81
0x82-0xBF
Description
Reserved
NFIT Health Event Notification. Used to notify OSPM of health event(s) for the
NVDIMM associated with ACPI device. On receiving the NFIT Health Event
Notification, the OSPM is required to determine new health event by re-enumerating
the health of the corresponding device. This could be accomplish by evaluating a
_DSM method under the device.
Reserved
Table 5-151 Processor Device Notification Values
Hex value
0x80
0x81
Description
Performance Present Capabilities Changed. Used to notify OSPM that the number of
supported processor performance states has changed. This notification causes OSPM to reevaluate
the _PPC object. See Section 8 “Processor Configuration and Control,” for more
information.
C States Changed. Used to notify OSPM that the number or type of supported processor C
States has changed. This notification causes OSPM to re-evaluate the _CST object. See
Section 8, “Processor Configuration and Control,” for more information.
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