Win32_SystemSlot class

Article
01/06/2021

The Win32_SystemSlot WMI class represents physical connection points including ports, motherboard slots and peripherals, and proprietary connection points.

The following syntax is simplified from Managed Object Format (MOF) code and includes all of the inherited properties. Properties are listed in alphabetic order, not MOF order.

Syntax

[Dynamic, Provider("CIMWin32"), UUID("{FAF76B91-798C-11D2-AAD1-006008C78BC7}"), AMENDMENT]
class Win32_SystemSlot : CIM_Slot
{
  uint32   BusNumber;
  string   Caption;
  string   ConnectorPinout;
  uint16   ConnectorType[];
  string   CreationClassName;
  uint16   CurrentUsage;
  string   Description;
  uint32   DeviceNumber;
  uint32   FunctionNumber;
  real32   HeightAllowed;
  datetime InstallDate;
  real32   LengthAllowed;
  string   Manufacturer;
  uint16   MaxDataWidth;
  string   Model;
  string   Name;
  uint16   Number;
  string   OtherIdentifyingInfo;
  string   PartNumber;
  boolean  PMESignal;
  boolean  PoweredOn;
  string   PurposeDescription;
  uint32   SegmentGroupNumber;
  string   SerialNumber;
  boolean  Shared;
  string   SKU;
  string   SlotDesignation;
  boolean  SpecialPurpose;
  string   Status;
  boolean  SupportsHotPlug;
  string   Tag;
  uint32   ThermalRating;
  uint16   VccMixedVoltageSupport[];
  string   Version;
  uint16   VppMixedVoltageSupport[];
};

Members

The Win32_SystemSlot class has these types of members:

Properties

Properties

The Win32_SystemSlot class has these properties.

BusNumber

Data type: uint32
Access type: Read-only
Qualifiers: MappingStrings ("SMBIOS|Type 9|Bus Number")

SMBIOS Bus Number.

This value comes from the Bus Number member of the System Slots structure in the SMBIOS information.

Windows Server 2012 R2, Windows 8.1, Windows Server 2012, Windows 8, Windows Server 2008 R2, Windows 7, Windows Server 2008 and Windows Vista: This property is not supported before Windows 10 and Windows Server 2016.

Caption

Data type: string
Access type: Read-only
Qualifiers: MaxLen (64), DisplayName ("Caption")

Short description of an object—a one-line string.

This property is inherited from CIM_ManagedSystemElement.

ConnectorPinout

Data type: string
Access type: Read-only

Free-form string that describes the pin configuration and signal usage of a physical connector.

This property is inherited from CIM_PhysicalConnector.

ConnectorType

Data type: uint16 array
Access type: Read-only
Qualifiers: Override ("ConnectorType"), MappingStrings ("SMBIOS|Type 9|Slot Type")

Array of physical attributes of the connector that this slot uses.

This value comes from the Slot Type member of the System Slots structure in the SMBIOS information.

This property is inherited from CIM_PhysicalConnector.

The possible values are.

Unknown (0)

Other (1)

Male (2)

Female (3)

Shielded (4)

Unshielded (5)

SCSI (A) High-Density (50 pins) (6)

SCSI (A) Low-Density (50 pins) (7)

SCSI (P) High-Density (68 pins) (8)

SCSI SCA-I (80 pins) (9)

SCSI SCA-II (80 pins) (10)

SCSI Fibre Channel (DB-9, Copper) (11)

SCSI Fibre Channel (Fibre) (12)

SCSI Fibre Channel SCA-II (40 pins) (13)

SCSI Fibre Channel SCA-II (20 pins) (14)

SCSI Fibre Channel BNC (15)

ATA 3-1/2 Inch (40 pins) (16)

ATA 2-1/2 Inch (44 pins) (17)

ATA-2 (18)

ATA-3 (19)

ATA/66 (20)

DB-9 (21)

DB-15 (22)

DB-25 (23)

DB-36 (24)

RS-232C (25)

RS-422 (26)

RS-423 (27)

RS-485 (28)

RS-449 (29)

V.35 (30)

X.21 (31)

IEEE-488 (32)

AUI (33)

UTP Category 3 (34)

UTP Category 4 (35)

UTP Category 5 (36)

BNC (37)

RJ11 (38)

RJ45 (39)

Fiber MIC (40)

Apple AUI (41)

Apple GeoPort (42)

PCI (43)

ISA (44)

EISA (45)

VESA (46)

PCMCIA (47)

PCMCIA Type I (48)

PCMCIA Type II (49)

PCMCIA Type III (50)

ZV Port (51)

CardBus (52)

USB (53)

IEEE 1394 (54)

HIPPI (55)

HSSDC (6 pins) (56)

GBIC (57)

DIN (58)

Mini-DIN (59)

Micro-DIN (60)

PS/2 (61)

Infrared (62)

HP-HIL (63)

Access.bus (64)

NuBus (65)

Centronics (66)

Mini-Centronics (67)

Mini-Centronics Type-14 (68)

Mini-Centronics Type-20 (69)

Mini-Centronics Type-26 (70)

Bus Mouse (71)

ADB (72)

AGP (73)

VME Bus (74)

VME64 (75)

Proprietary (76)

Proprietary Processor Card Slot (77)

Proprietary Memory Card Slot (78)

Proprietary I/O Riser Slot (79)

PCI-66MHZ (80)

AGP2X (81)

AGP4X (82)

PC-98 (83)

PC-98-Hireso (84)

PC-H98 (85)

PC-98Note (86)

PC-98Full (87)

PCI-X (88)

Sbus IEEE 1396-1993 32 bit (89)

Sbus IEEE 1396-1993 64 bit (90)

MCA (91)

GIO (92)

XIO (93)

HIO (94)

NGIO (95)

PMC (96)

Future I/O (97)

InfiniBand (98)

AGP8X (99)

PCI-E (100)

CreationClassName

Data type: string
Access type: Read-only
Qualifiers: CIM_Key, MaxLen (256)

Name of the first concrete class that appears in the inheritance chain used in the creation of an instance. When used with the other key properties of a class, this property allows all instances of this class and its subclasses to be identified uniquely.

This property is inherited from CIM_PhysicalElement.

CurrentUsage

Data type: uint16
Access type: Read-only
Qualifiers: MappingStrings ("SMBIOS|Type 9|Current Usage")

Status of system slot use.

This value comes from the Current Usage member of the System Slots structure in the SMBIOS information.

The possible values are.

Reserved (0)

Other (1)

Unknown (2)

Available (3)

In use (4)

Description

Data type: string
Access type: Read-only
Qualifiers: DisplayName ("Description")

Description of the object.

This property is inherited from CIM_ManagedSystemElement.

DeviceNumber

Data type: uint32
Access type: Read-only
Qualifiers: MappingStrings ("SMBIOS|Type 9|Device Number")

SMBIOS Device Number.

This value comes from the Device/Function Number member of the System Slots structure in the SMBIOS information.

FunctionNumber

Data type: uint32
Access type: Read-only
Qualifiers: MappingStrings ("SMBIOS|Type 9|Function Number")

SMBIOS Function Number.

This value comes from the Device/Function Number member of the System Slots structure in the SMBIOS information.

HeightAllowed

Data type: real32
Access type: Read-only
Qualifiers: Units ("inches")

Maximum height of an adapter card that can be inserted into the slot—in inches.

This property is inherited from CIM_Slot.

InstallDate

Data type: datetime
Access type: Read-only
Qualifiers: MappingStrings ("MIF.DMTF|ComponentID|001.5"), DisplayName ("Install Date")

Date and time the object is installed. This property does not need a value to indicate that the object is installed.

This property is inherited from CIM_ManagedSystemElement.

LengthAllowed

Data type: real32
Access type: Read-only
Qualifiers: Units ("inches")

Maximum length of an adapter card that can be inserted into the slot—in inches.

This property is inherited from CIM_Slot.

Manufacturer

Data type: string
Access type: Read-only
Qualifiers: MaxLen (256)

Name of the organization that produces the physical element.

This property is inherited from CIM_PhysicalElement.

MaxDataWidth

Data type: uint16
Access type: Read-only
Qualifiers: Override ("MaxDataWidth"), MappingStrings ("MIF.DMTF|System Slot|004.3"), Units ("bits")

Maximum bus width of adapter cards that can be inserted into this slot—in bits. This can be one of the following values.

This value comes from the Slot Data Bus Width member of the System Slots structure in the SMBIOS information.

This property is inherited from CIM_Slot.

The possible values are.

8 (0)

Maximum data width (bits): 8

16 (1)

Maximum data width (bits): 16

32 (2)

Maximum data width (bits): 32

64 (3)

Maximum data width (bits): 64

128 (4)

Maximum data width (bits): 128

Model

Data type: string
Access type: Read-only
Qualifiers: MaxLen (64)

Name for the physical element.

This property is inherited from CIM_PhysicalElement.

Name

Data type: string
Access type: Read-only
Qualifiers: DisplayName ("Name")

Label for the object. When subclassed, this property can be overridden to be a key property.

This property is inherited from CIM_ManagedSystemElement.

Number

Data type: uint16
Access type: Read-only

Physical slot number that can be used as an index into a system slot table, whether or not that slot is physically empty.

This value comes from the Slot ID member of the System Slots structure in the SMBIOS information.

This property is inherited from CIM_Slot.

OtherIdentifyingInfo

Data type: string
Access type: Read-only

Additional data (that is, more than the asset tag information), that can be used to identify a physical element. One example is bar code data associated with an element that also has an asset tag. Note that if only bar code data is available, and it is unique or can be used as an element key, this property is NULL, and the bar code data is used as the class key in the Tag property.

This property is inherited from CIM_PhysicalElement.

PartNumber

Data type: string
Access type: Read-only
Qualifiers: MaxLen (256)

Part number that the producer or manufacturer assigns to the physical element.

This property is inherited from CIM_PhysicalElement.

PMESignal

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("SMBIOS|Type 9|Slot Characteristics 2")

If TRUE, the PCI bus Power Management Enabled (PME) signal is supported by this slot.

This value comes from the Slot Characteristics 2 member of the System Slots structure in the SMBIOS information.

PoweredOn

Data type: boolean
Access type: Read-only

If TRUE, the physical element is powered on.

This property is inherited from CIM_PhysicalElement.

PurposeDescription

Data type: string
Access type: Read-only
Qualifiers: ModelCorrespondence ("CIM_Slot.SpecialPurpose")

Free-form string that describes how this slot is physically unique and may hold special types of hardware. This property only has meaning when the corresponding property SpecialPurpose is TRUE.

This property is inherited from CIM_Slot.

SegmentGroupNumber

Data type: uint32
Access type: Read-only
Qualifiers: MappingStrings ("SMBIOS|Type 9|Segment Group Number")

SMBIOS Segment Group Number.

This value comes from the Segment Group Number member of the System Slots structure in the SMBIOS information.

SerialNumber

Data type: string
Access type: Read-only
Qualifiers: MaxLen (64)

Manufacturer-allocated number used to identify the physical element.

This property is inherited from CIM_PhysicalElement.

Shared

Data type: boolean
Access type: Read-only
Qualifiers: MappingStrings ("SMBIOS|Type 9|Slot Characteristics 1")

If TRUE, two or more slots share a location on the baseboard, such as a PCI/EISA shared slot.

This value comes from the Slot Characteristics 1 member of the System Slots structure in the SMBIOS information.

SKU

Data type: string
Access type: Read-only
Qualifiers: MaxLen (64)

Stockkeeping unit number for the physical element.

This property is inherited from CIM_PhysicalElement.

SlotDesignation

Data type: string
Access type: Read-only
Qualifiers: MappingStrings ("SMBIOS|Type 9|Slot Designation")

SMBIOS string that identifies the system slot designation of the slot on the motherboard.

Example: "PCI-1"

This value comes from the Slot Designation member of the System Slots structure in the SMBIOS information.

SpecialPurpose

Data type: boolean
Access type: Read-only
Qualifiers: ModelCorrespondence ("CIM_Slot.PurposeDescription")

If TRUE, this slot is physically unique and may hold special types of hardware, such as a graphics processor slot. If TRUE, then PurposeDescription should specify the nature of the uniqueness or purpose of the slot.

This property is inherited from CIM_Slot.

Status

Data type: string
Access type: Read-only
Qualifiers: MaxLen (10), DisplayName ("Status")

Current status of the object. Various operational and nonoperational statuses can be defined. Operational statuses include: "OK", "Degraded", and "Pred Fail" (an element, such as a SMART-enabled hard disk drive, may be functioning properly but predicting a failure in the near future). Nonoperational statuses include: "Error", "Starting", "Stopping", and "Service". The latter, "Service", could apply during mirror-resilvering of a disk, reload of a user permissions list, or other administrative work. Not all such work is online, yet the managed element is neither "OK" nor in one of the other states.

This property is inherited from CIM_ManagedSystemElement.

The possible values are.

OK ("OK")

Error ("Error")

Degraded ("Degraded")

Unknown ("Unknown")

Pred Fail ("Pred Fail")

Starting ("Starting")

Stopping ("Stopping")

Service ("Service")

Stressed ("Stressed")

NonRecover ("NonRecover")

No Contact ("No Contact")

Lost Comm ("Lost Comm")

SupportsHotPlug

Data type: boolean
Access type: Read-only

If TRUE, the slot supports hot-plugging of adapter cards.

This value comes from the Slot Characteristics 2 member of the System Slots structure in the SMBIOS information.

This property is inherited from CIM_Slot.

Tag

Data type: string
Access type: Read-only
Qualifiers: Key, MaxLen (256), Override ("Tag"), MappingStrings ("WMI")

System slot represented by an instance of this class.

This property is inherited from CIM_PhysicalElement.

Example: "System Slot 1"

ThermalRating

Data type: uint32
Access type: Read-only
Qualifiers: MappingStrings ("MIF.DMTF|System Slot|004.11"), Units ("milliwatts")

Maximum thermal dissipation of the slot in milliwatts.

This property is inherited from CIM_Slot.

VccMixedVoltageSupport

Data type: uint16 array
Access type: Read-only
Qualifiers: MappingStrings ("MIF.DMTF|System Slot|004.9")

Array of enumerated integers indicating the Vcc voltage supported by this slot.

This value comes from the Slot Characteristics 1 member of the System Slots structure in the SMBIOS information.

This property is inherited from CIM_Slot.

The possible values are.

Unknown (0)

Other (1)

3.3V (2)

5V (3)

Version

Data type: string
Access type: Read-only
Qualifiers: MaxLen (64)

Version of the physical element.

This property is inherited from CIM_PhysicalElement.

VppMixedVoltageSupport

Data type: uint16 array
Access type: Read-only
Qualifiers: MappingStrings ("MIF.DMTF|System Slot|004.10")

Array of enumerated integers indicating the Vpp voltage supported by this slot.

This property is inherited from CIM_Slot.

The possible values are.

Unknown (0)

Other (1)

3.3V (2)

5V (3)

12V (4)

Remarks

The Win32_SystemSlot class is derived from CIM_Slot.

Requirements

Requirement	Value
Minimum supported client	Windows Vista
Minimum supported server	Windows Server 2008
Namespace	Root\CIMV2
MOF	CIMWin32.mof
DLL	CIMWin32.dll

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Win32_SystemSlot class

Syntax

Members

Properties

Remarks

Requirements

See also

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