Subclasses of the CIM_PhysicalElement class listed in Table below define any component of a system that
has a distinct physical identity. Physical elements are tangible managed
system elements (usually actual hardware items) that have a physical
manifestation of some sort. By contrast, processes, files, and logical
devices are not classified as physical elements. A managed system
element is not necessarily a discrete component. A single card (which
is a type of physical element) can host more than one logical device.
One card, for example, could implement both a modem
and a local area network (LAN) adapter. In this case, the card would
be represented by a single physical element associated with multiple
logical devices.
The following table lists the CIM Class Name, Parent Class and
describes the CIM physical element properties along with the data
type.
Class
Name:CIM_PhysicalElement
Parent Class: CIM_ManagedSystemElement
Table 1. CIM_PhysicalElement
PropertiesThe following table lists the CIM Class Name, Parent Class and
describes the CIM physical element properties along with the data
type.
The name by which the physical element is generally
known.
string
SerialNumber
A manufacturer-allocated number used to identify
the physical element.
string
Tag
Uniquely identifies the physical element and serves
as the element’s key. The Tag property can contain information such
as asset tag or serial number data. The key for a physical element
is placed very high in the object hierarchy in order to identify the
hardware/entity independently, regardless of the physical placement
in or on cabinets, adapters, and so on. For example, a hotswappable
or removable component can be taken from its containing (scoping)
package and be temporarily unused. The object still continues to exist
and may even be inserted into a different scoping container. Therefore,
the key for the physical element is an arbitrary string that is defined
independently of any placement or location-oriented hierarchy.
string
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