Publication No. 500-657806-000 Rev. G
IPMI Firmware and OEM Extensions 83
E.3.2 SetACPI Power State
This command is used to set the platform management subsystem to a particular
power state. The firmware does not support the ACPI power state, instead it can
be used to turn off/on power to the board.
E.3.3 Get ACPI Power State
This command is used to get the platform management subsystem’s power state.
The firmware does not support the ACPI power state instead it only returns
whether the board has its power turned off/on.
E.3.4 Get Device GUID command
This command returns a Globally Unique ID (GUID) for the management
controller. The format of the ID follows that specified in Attachment A of the
Wired for Management Baseline, Version 2.0 specification
. The ID can be used to
uniquely identify an instance of a management controller. This information can be
used in conjunction with the SDR information to verify that a particular controller
is still present in the system.
Table E-5 NetFn 0x06, Cmd 0x06
Byte
Value
Data Field
Comments
Request-data
1
XXh
ACPI System power state
The IPMI does not have control
over the system power state.
Therefore, this byte is ignored.
2
XXh
ACPI Device power state
[7] – 1b = set device power state
0b = don’t change device
power state
[6:0] – device power state
00h – Fully on
03h – Power off
Response-data
1
XXh
Completion Code
Table E-6 NetFn 0x06, Cmd 0x07
Byte
Value
Data Field
Comments
Request-data
- -
Response-data 1
00
Completion code
2
2Ah
ACPI System Power State
[7] – reserved
[6:0] – System power state
2Ah – unknown
The IPMI subsystem does not
have control over the system
power.
3
XXh
ACPI Device Power State
00h – Fully on
03h – Power off
2Ah – Unknown, power
state has not been
initialized or device
lost track of power state.