Win32_CDROMDrive class
The Win32_CDROMDrive WMI class represents a CD-ROM drive on a computer system running Windows.
Note
Be aware that the name of the drive does not correspond to the logical drive letter assigned to the device.
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("{8502C4B3-5FBB-11D2-AAC1-006008C78BC7}"), AMENDMENT]
class Win32_CDROMDrive : CIM_CDROMDrive
{
uint16 Availability;
uint16 Capabilities[];
string CapabilityDescriptions[];
string Caption;
string CompressionMethod;
uint32 ConfigManagerErrorCode;
boolean ConfigManagerUserConfig;
string CreationClassName;
uint64 DefaultBlockSize;
string Description;
string DeviceID;
string Drive;
boolean DriveIntegrity;
boolean ErrorCleared;
string ErrorDescription;
string ErrorMethodology;
uint16 FileSystemFlags;
uint32 FileSystemFlagsEx;
string Id;
datetime InstallDate;
uint32 LastErrorCode;
string Manufacturer;
uint64 MaxBlockSize;
uint32 MaximumComponentLength;
uint64 MaxMediaSize;
boolean MediaLoaded;
string MediaType;
string MfrAssignedRevisionLevel;
uint64 MinBlockSize;
string Name;
boolean NeedsCleaning;
uint32 NumberOfMediaSupported;
string PNPDeviceID;
uint16 PowerManagementCapabilities[];
boolean PowerManagementSupported;
string RevisionLevel;
uint32 SCSIBus;
uint16 SCSILogicalUnit;
uint16 SCSIPort;
uint16 SCSITargetId;
string SerialNumber;
uint64 Size;
string Status;
uint16 StatusInfo;
string SystemCreationClassName;
string SystemName;
real64 TransferRate;
string VolumeName;
string VolumeSerialNumber;
};
Members
The Win32_CDROMDrive class has these types of members:
Methods
The Win32_CDROMDrive class has these methods.
| Method | Description |
|---|---|
| Reset | Not implemented. To implement this method, see the Reset method in CIM_CDROMDrive for documentation. |
| SetPowerState | Not implemented. To implement this method, see the SetPowerState method in CIM_CDROMDrive for documentation. |
Properties
The Win32_CDROMDrive class has these properties.
-
Availability
-
-
Data type: uint16
-
Access type: Read-only
-
Qualifiers: MappingStrings ("MIF.DMTF|Operational State|003.5", "MIB.IETF|HOST-RESOURCES-MIB.hrDeviceStatus")
Availability and status of the device.
This property is inherited from CIM_LogicalDevice.
-
-
Other (1)
-
Unknown (2)
-
Running/Full Power (3)
-
Running or Full Power
-
Warning (4)
-
In Test (5)
-
Not Applicable (6)
-
Power Off (7)
-
Off Line (8)
-
Off Duty (9)
-
Degraded (10)
-
Not Installed (11)
-
Install Error (12)
-
Power Save - Unknown (13)
-
The device is known to be in a power save mode, but its exact status is unknown.
-
Power Save - Low Power Mode (14)
-
The device is in a power save state but still functioning, and may exhibit degraded performance.
-
Power Save - Standby (15)
-
The device is not functioning, but could be brought to full power quickly.
-
Power Cycle (16)
-
Power Save - Warning (17)
-
The device is in a warning state, though also in a power save mode.
-
Paused (18)
-
The device is paused.
-
Not Ready (19)
-
The device is not ready.
-
Not Configured (20)
-
The device is not configured.
-
Quiesced (21)
-
The device is quiet.
Capabilities
-
Data type: uint16 array
-
Access type: Read-only
-
Qualifiers: ArrayType ("Indexed"), MappingStrings ("MIF.DMTF|Storage Devices|001.9", "MIF.DMTF|Storage Devices|001.11", "MIF.DMTF|Storage Devices|001.12", "MIF.DMTF|Disks|003.7"), ModelCorrespondence ("CIM_MediaAccessDevice.CapabilityDescriptions")
Array of capabilities of the media access device. For example, the device may support random access (3), removable media (7), and automatic cleaning (9).
This property is inherited from CIM_MediaAccessDevice.
Unknown (0)
Other (1)
Sequential Access (2)
Random Access (3)
Supports Writing (4)
Encryption (5)
Compression (6)
Supports Removeable Media (7)
Supports Removable Media
Manual Cleaning (8)
Automatic Cleaning (9)
SMART Notification (10)
Supports Dual Sided Media (11)
Supports Dual-Sided Media
Predismount Eject Not Required (12)
CapabilityDescriptions
-
Data type: string array
-
Access type: Read-only
-
Qualifiers: ArrayType ("Indexed"), ModelCorrespondence ("CIM_MediaAccessDevice.Capabilities")
Array of more detailed explanations for any of the access device features indicated in the Capabilities array. Each entry of this array is related to the entry in the Capabilities array that is located at the same index.
This property is inherited from CIM_MediaAccessDevice.
Caption
-
Data type: string
-
Access type: Read-only
-
Qualifiers: MaxLen (64), DisplayName ("Caption")
Short description of the object a one-line string.
This property is inherited from CIM_ManagedSystemElement.
CompressionMethod
-
Data type: string
-
Access type: Read-only
Algorithm or tool used by the device to support compression. If it is not possible or not desired to describe the compression scheme (perhaps because it is not known), use the following words: "Unknown" to represent that it is not known whether the device supports compression capabilities; "Compressed" to represent that the device supports compression capabilities but either its compression scheme is not known or not disclosed; and "Not Compressed" to represent that the device does not support compression capabilities.
This property is inherited from CIM_MediaAccessDevice.
("Unknown")
The compression scheme is unknown or not described.
("Compressed")
The logical file is compressed, but the compression scheme is unknown or not described
("Not Compressed")
If the logical file is not compressed
ConfigManagerErrorCode
-
Data type: uint32
-
Access type: Read-only
-
Qualifiers: Schema ("Win32")
Windows Configuration Manager error code.
This property is inherited from CIM_LogicalDevice.
This device is working properly. (0)
Device is working properly.
This device is not configured correctly. (1)
Device is not configured correctly.
Windows cannot load the driver for this device. (2)
The driver for this device might be corrupted, or your system may be running low on memory or other resources. (3)
Driver for this device might be corrupted, or the system may be low on memory or other resources.
This device is not working properly. One of its drivers or your registry might be corrupted. (4)
Device is not working properly. One of its drivers or the registry might be corrupted.
The driver for this device needs a resource that Windows cannot manage. (5)
Driver for the device requires a resource that Windows cannot manage.
The boot configuration for this device conflicts with other devices. (6)
Boot configuration for the device conflicts with other devices.
Cannot filter. (7)
The driver loader for the device is missing. (8)
Driver loader for the device is missing.
This device is not working properly because the controlling firmware is reporting the resources for the device incorrectly. (9)
Device is not working properly. The controlling firmware is incorrectly reporting the resources for the device.
This device cannot start. (10)
Device cannot start.
This device failed. (11)
Device failed.
This device cannot find enough free resources that it can use. (12)
Device cannot find enough free resources to use.
Windows cannot verify this device's resources. (13)
Windows cannot verify the device's resources.
This device cannot work properly until you restart your computer. (14)
Device cannot work properly until the computer is restarted.
This device is not working properly because there is probably a re-enumeration problem. (15)
Device is not working properly due to a possible re-enumeration problem.
Windows cannot identify all the resources this device uses. (16)
Windows cannot identify all of the resources that the device uses.
This device is asking for an unknown resource type. (17)
Device is requesting an unknown resource type.
Reinstall the drivers for this device. (18)
Device drivers must be reinstalled.
Failure using the VxD loader. (19)
Your registry might be corrupted. (20)
Registry might be corrupted.
System failure: Try changing the driver for this device. If that does not work, see your hardware documentation. Windows is removing this device. (21)
System failure. If changing the device driver is ineffective, see the hardware documentation. Windows is removing the device.
This device is disabled. (22)
Device is disabled.
System failure: Try changing the driver for this device. If that doesn't work, see your hardware documentation. (23)
System failure. If changing the device driver is ineffective, see the hardware documentation.
This device is not present, is not working properly, or does not have all its drivers installed. (24)
Device is not present, not working properly, or does not have all of its drivers installed.
Windows is still setting up this device. (25)
Windows is still setting up the device.
Windows is still setting up this device. (26)
Windows is still setting up the device.
This device does not have valid log configuration. (27)
Device does not have valid log configuration.
The drivers for this device are not installed. (28)
Device drivers are not installed.
This device is disabled because the firmware of the device did not give it the required resources. (29)
Device is disabled. The device firmware did not provide the required resources.
This device is using an Interrupt Request (IRQ) resource that another device is using. (30)
Device is using an IRQ resource that another device is using.
This device is not working properly because Windows cannot load the drivers required for this device. (31)
Device is not working properly. Windows cannot load the required device drivers.
ConfigManagerUserConfig
-
Data type: boolean
-
Access type: Read-only
-
Qualifiers: Schema ("Win32")
If True, the device is using a user-defined configuration.
This property is inherited from CIM_LogicalDevice.
CreationClassName
-
Data type: string
-
Access type: Read-only
-
Qualifiers: CIM_Key
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 the class, the property allows all instances of this class and its subclasses to be identified uniquely.
This property is inherited from CIM_LogicalDevice.
DefaultBlockSize
-
Data type: uint64
-
Access type: Read-only
-
Qualifiers: Units ("bytes")
Default block size, in bytes, for this device.
This property is inherited from CIM_MediaAccessDevice.
For more information about using uint64 values in scripts, see Scripting in WMI.
Description
-
Data type: string
-
Access type: Read-only
-
Qualifiers: DisplayName ("Description")
Description of the object.
This property is inherited from CIM_ManagedSystemElement.
DeviceID
-
Data type: string
-
Access type: Read-only
-
Qualifiers: Key, Override ("DeviceId"), MappingStrings ("Win32API|File Functions|GetLogicalDriveStrings")
Unique identifier for a CD-ROM drive.
This property is inherited from CIM_LogicalDevice.
Drive
-
Data type: string
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|File Functions|GetDriveType")
Drive letter of the CD-ROM drive.
Example: "d:\"
DriveIntegrity
-
Data type: boolean
-
Access type: Read-only
-
Qualifiers: MappingStrings ("WMI")
If True, files can be accurately read from the CD device. This is achieved by reading a block of data twice and comparing the data against itself.
ErrorCleared
-
Data type: boolean
-
Access type: Read-only
If True, the error reported in LastErrorCode is now cleared.
This property is inherited from CIM_LogicalDevice.
ErrorDescription
-
Data type: string
-
Access type: Read-only
More information about the error recorded in LastErrorCode, and information about corrective actions that can be taken.
This property is inherited from CIM_LogicalDevice.
ErrorMethodology
-
Data type: string
-
Access type: Read-only
Type of error detection and correction supported by this device.
This property is inherited from CIM_MediaAccessDevice.
FileSystemFlags
-
Data type: uint16
-
Access type: Read-only
-
Qualifiers: DEPRECATED, MappingStrings ("Win32API|File System Functions|GetVolumeInformation")
This property is obsolete. In place of this property, use FileSystemFlagsEx.
FileSystemFlagsEx
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Data type: uint32
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|File System Functions|GetVolumeInformation")
File system flags associated with the Windows CD-ROM drive. This parameter can be any combination of flags, but FS_FILE_COMPRESSION and FS_VOL_IS_COMPRESSED are mutually exclusive.
Case Sensitive Search (1)
The file system supports case-sensitive file names.
Case Preserved Names (2)
The file system preserves the case of file names when it places a name on a disk.
Unicode On Disk (4)
The file system supports Unicode in file names as they appear on the disk.
Persistent ACLs (8)
The file system preserves and enforces access control lists (ACLs). For example, the NTFS file system preserves and enforces ACLs and the FAT file system does not.
File Compression (16)
The file system supports file-based compression.
Volume Quotas (32)
The file system supports disk quotas.
Supports Sparse Files (64)
The file system supports spare files.
Supports Reparse Points (128)
The file system supports reparse points.
Supports Remote Storage (256)
The file system supports the remote storage of files.
Supports Long Names (16384)
The file system supports file names that are longer than eight characters.
Volume Is Compressed (32768)
The specified disk volume is a compressed volume, for example, a DoubleSpace volume.
Read Only Volume (524289)
The specified volume is read-only.
Supports Object IDS (65536)
The file system supports object identifiers.
Supports Encryption (131072)
The file system supports the Encrypted File System (EFS).
Supports Named Streams (262144)
The file system supports named streams.
Example: 0
Id
-
Data type: string
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|File Functions|GetDriveType")
Drive letter that uniquely identifies this CD-ROM drive.
Example: "d:\"
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.
LastErrorCode
-
Data type: uint32
-
Access type: Read-only
Last error code reported by the logical device.
This property is inherited from CIM_LogicalDevice.
Manufacturer
-
Data type: string
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32Registry")
Manufacturer of the Windows CD-ROM drive.
Example: "PLEXTOR"
MaxBlockSize
-
Data type: uint64
-
Access type: Read-only
-
Qualifiers: Units ("bytes")
Maximum block size, in bytes, for media accessed by this device.
This property is inherited from CIM_MediaAccessDevice.
For more information about using uint64 values in scripts, see Scripting in WMI.
MaximumComponentLength
-
Data type: uint32
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|File System Functions|GetVolumeInformation")
Maximum length of a filename component supported by the Windows CD-ROM drive. A file name component the portion of a file name between backslashes. The value can be used to indicate that long names are supported by the specified file system. For example, for a FAT file system supporting long names, the function stores the value 255, rather than the previous 8.3 indicator. Long names can also be supported on systems that use the NTFS file system.
Example: 255
MaxMediaSize
-
Data type: uint64
-
Access type: Read-only
-
Qualifiers: MappingStrings ("MIF.DMTF|Sequential Access Devices|001.2"), Units ("kilobytes")
Maximum size, in kilobytes, of media supported by this device.
This property is inherited from CIM_MediaAccessDevice.
For more information about using uint64 values in scripts, see Scripting in WMI.
MediaLoaded
-
Data type: boolean
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|File System Functions|GetVolumeInformation")
If True, a CD-ROM is in the drive.
MediaType
-
Data type: string
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|GetDriveType")
Type of media that can be used or accessed by this device. Possible values are:
Random Access ("Random Access")
Supports Writing ("Supports Writing")
Removable Media ("Removable Media")
CD-ROM ("CD-ROM")
MfrAssignedRevisionLevel
-
Data type: string
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win2000DDK|KernelModeDrivers|STORAGE_DEVICE_DESCRIPTOR|ProductRevisionOffset")
Firmware revision level that is assigned by the manufacturer.
MinBlockSize
-
Data type: uint64
-
Access type: Read-only
-
Qualifiers: Units ("bytes")
Minimum block size, in bytes, for media accessed by this device.
This property is inherited from CIM_MediaAccessDevice.
For more information about using uint64 values in scripts, see Scripting in WMI.
Name
-
Data type: string
-
Access type: Read-only
-
Qualifiers: DisplayName ("Name")
Label for the object. When subclassed, the property can be overridden to be a key property.
This property is inherited from CIM_ManagedSystemElement.
NeedsCleaning
-
Data type: boolean
-
Access type: Read-only
If True, the media access device needs cleaning. Whether manual or automatic cleaning is possible is indicated in the Capabilities property.
This property is inherited from CIM_MediaAccessDevice.
NumberOfMediaSupported
-
Data type: uint32
-
Access type: Read-only
Maximum number of media that can be supported or inserted, when the media access device supports multiple individual media.
This property is inherited from CIM_MediaAccessDevice.
PNPDeviceID
-
Data type: string
-
Access type: Read-only
-
Qualifiers: Schema ("Win32")
Windows Plug and Play device identifier of the logical device.
This property is inherited from CIM_LogicalDevice.
Example: "*PNP030b"
PowerManagementCapabilities
-
Data type: uint16 array
-
Access type: Read-only
Array of the specific power-related capabilities of a logical device.
This property is inherited from CIM_LogicalDevice.
Unknown (0)
Not Supported (1)
Power-related capacities are not supported for this device.
Disabled (2)
Enabled (3)
The power management features are currently enabled but the exact feature set is unknown or the information is unavailable.
Power Saving Modes Entered Automatically (4)
The device can change its power state based on usage or other criteria.
Power State Settable (5)
The SetPowerState method is supported. This method is found on the parent CIM_LogicalDevice class and can be implemented. For more information, see Designing Managed Object Format (MOF) Classes.
Power Cycling Supported (6)
The SetPowerState method can be invoked with the PowerStateparameter set to 5 (Power Cycle).
Timed Power On Supported (7)
Timed Power-On Supported
The SetPowerState method can be invoked with the PowerState parameter set to 5 (Power Cycle) and Time set to a specific date and time, or interval, for power-on.
PowerManagementSupported
-
Data type: boolean
-
Access type: Read-only
If True, the device can be power-managed, which means that it can be put into suspend mode, and so on. The property does not indicate that power management features are currently enabled, only that the logical device is capable of power management.
This property is inherited from CIM_LogicalDevice.
RevisionLevel
-
Data type: string
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32Registry|RevisionLevel")
Firmware revision level of the Windows CD-ROM drive.
SCSIBus
-
Data type: uint32
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|SCSI Structures|SCSI_REQUEST_BLOCK|PathId")
SCSI bus number for the disk drive.
Example: 0
SCSILogicalUnit
-
Data type: uint16
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|SCSI Structures|SCSI_REQUEST_BLOCK|Lun")
SCSI logical unit number (LUN) of the disk drive. The LUN is used to designate which SCSI controller is being accessed in a system with more than one controller being used. The SCSI device identifier is similar, but is the designation for multiple devices on one controller.
Example: 0
SCSIPort
-
Data type: uint16
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|SCSI Structures|SCSI_REQUEST_BLOCK|ScsiStatus")
SCSI port number of the disk drive.
Example: 1
SCSITargetId
-
Data type: uint16
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|DeviceIoControl|IOCTL_SCSI_GET_ADDRESS")
SCSI identifier number of the Windows CD-ROM drive.
Example: 0
SerialNumber
-
Data type: string
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|Device Input and Output Structures|STORAGE_DEVICE_DESCRIPTOR|SerialNumberOffset")
Number supplied by the manufacturer that identifies the physical media. Example: WD-WM3493798728.
Size
-
Data type: uint64
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|File Functions|GetDiskFreeSpace"), units ("bytes")
Size of the disk drive.
For more information about using uint64 values in scripts, see Scripting in WMI.
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.
Values include the following:
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")
StatusInfo
-
Data type: uint16
-
Access type: Read-only
-
Qualifiers: MappingStrings ("MIF.DMTF|Operational State|003.3")
State of the logical device. If this property does not apply to the logical device, the value 5 (Not Applicable) should be used.
This property is inherited from CIM_LogicalDevice.
Other (1)
Unknown (2)
Enabled (3)
Disabled (4)
Not Applicable (5)
SystemCreationClassName
-
Data type: string
-
Access type: Read-only
-
Qualifiers: Propagated ("CIM_System.CreationClassName"), CIM_Key
Value of the scoping computer's CreationClassName property.
This property is inherited from CIM_LogicalDevice.
SystemName
-
Data type: string
-
Access type: Read-only
-
Qualifiers: Propagated ("CIM_System.Name"), CIM_Key
Name of the scoping system.
This property is inherited from CIM_LogicalDevice.
TransferRate
-
Data type: real64
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|File Reference and Time Reference"), Units ("kilobytes per second")
Transfer rate of the CD-ROM drive. A value of -1 indicates that the rate cannot be determined. When this happens, the CD is not in the drive.
VolumeName
-
Data type: string
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|File System Functions|GetVolumeInformation")
Volume name of the Windows CD-ROM drive.
VolumeSerialNumber
-
Data type: string
-
Access type: Read-only
-
Qualifiers: MappingStrings ("Win32API|File System Functions|GetVolumeInformation")
Volume serial number of the media in the CD-ROM drive.
Example: A8C3-D032
Remarks
The Win32_CDROMDrive class is derived from CIM_CDROMDrive which derives from CIM_MediaAccessDevice. The CIM_MediaAccessDevice class derives from CIM_LogicalDevice.
Examples
The following VBScript example determines if a CD is in a CDROM drive.
strComputer = "."
Set objWMIService = GetObject(_
"winmgmts:\\" & strComputer & "\root\cimv2")
Set colItems = objWMIService.ExecQuery( _
"Select * from Win32_CDROMDrive")
For Each objItem in colItems
Wscript.Echo "Device ID: " _
& objItem.DeviceID
Wscript.Echo "Media Loaded: " _
& objItem.MediaLoaded
Next
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista |
| Minimum supported server |
Windows Server 2008 |
| Namespace |
Root\CIMV2 |
| MOF |
|
| DLL |
|
See also
Feedback
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