Reference Guide

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.
Table 28. CIM_Fan Properties
Class Name:
CIM_Fan
Parent Class:
CIM_CoolingDevice
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.
Table 29. CIM_UserDevice Properties
Class Name:
CIM_UserDevice
Parent Class:
CIM_LogicalDevice
Property Description Data Type
IsLocked Indicates if the device is locked,
preventing user input or output.
Boolean
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