Reference Guide

CIM_Fan
The CIM_Fan class described in below Table contains a set of devices that work to keep the ambient internal temperature of
the system at a safe value by circulating air.
The following table describes the properties and data type of the CIM_Fan class.
Class Name: CIM_Fan
Parent Class: CIM_CoolingDevice
Table 29. CIM_Fan Properties
Property Description Data Type
VariableSpeed Specifies if the fan supports variable
speeds.
Boolean
DesiredSpeed Indicates the currently requested fan
speed, defined in RPM. When the
VariableSpeed value is TRUE, the
fan supports variable speeds. When
a variable speed fan is supported
(VariableSpeed is TRUE), the actual
speed is determined using a sensor
(CIM_Tachometer) that is associated
with the fan.
uint64
CIM_UserDevice
The CIM_UserDevice class described in Table below contains logical devices that allow a system’s users to input or view
data. Classes derived from CIM_UserDevice include CIM_Keyboard and CIM_PointingDevice.
The following table describes the properties and data type of the CIM User Device class.
Class Name: CIM_UserDevice
Parent Class: CIM_LogicalDevice
Table 30. CIM_UserDevice Properties
Property Description Data Type
IsLocked Indicates if the device is locked,
preventing user input or output.
Boolean
36 CIM_LogicalElement