Memory

Memory 1.21.0⁠

 

Version	v1.21
Release	2025.2

Description⁠

The Memory schema represents a memory device, such as a DIMM, and its configuration. It also describes the location, such as a slot, socket, or bay, where a unit can be installed, by populating a resource instance with an absent state if a unit is not present.

URIs⁠

/​redfish/​v1/​Chassis/​{ChassisId}/​Memory/​{MemoryId}
/​redfish/​v1/​CompositionService/​ResourceBlocks/​{ResourceBlockId}/​Memory/​{MemoryId}
/​redfish/​v1/​CompositionService/​ResourceBlocks/​{ResourceBlockId}/​Systems/​{ComputerSystemId}/​Memory/​{MemoryId}
/​redfish/​v1/​ResourceBlocks/​{ResourceBlockId}/​Memory/​{MemoryId}
/​redfish/​v1/​ResourceBlocks/​{ResourceBlockId}/​Systems/​{ComputerSystemId}/​Memory/​{MemoryId}
/​redfish/​v1/​Systems/​{ComputerSystemId}/​Memory/​{MemoryId}
/​redfish/​v1/​Systems/​{ComputerSystemId}/​Processors/​{ProcessorId}/​CacheMemory/​{MemoryId}

Properties⁠

Property	Type	Attributes	Notes
Actions {	object		The available actions for this resource.
#Memory.DisableMasterPassphrase (v1.17+) {}	object		Disables the master passphrase for the given region. For more information, see the Actions section below.
#Memory.DisablePassphrase {}	object		Disable passphrase for the given region. For more information, see the Actions section below.
#Memory.FreezeSecurityState (v1.17+) {}	object		Freezes the security state of the memory device. For more information, see the Actions section below.
#Memory.InjectPersistentPoison (v1.17+) {}	object		Injects poison to a specific persistent memory address in the memory device. For more information, see the Actions section below.
#Memory.OverwriteUnit (v1.6+) {}	object		This contains the action for securely erasing given regions using the NIST SP800-88 Purge: Overwrite. For more information, see the Actions section below.
#Memory.Reset (v1.8+) {}	object		This action resets this memory device. For more information, see the Actions section below.
#Memory.ResetToDefaults (v1.16+) {}	object		The action resets the values of writable properties to factory defaults. For more information, see the Actions section below.
#Memory.ScanMedia (v1.17+) {}	object		Scans the media of the memory device. For more information, see the Actions section below.
#Memory.SecureEraseUnit {}	object		This contains the action for securely erasing given regions using the NIST SP800-88 Purge: Cryptographic Erase. For more information, see the Actions section below.
#Memory.SetMasterPassphrase (v1.17+) {}	object		Sets the master passphrase for the given region. For more information, see the Actions section below.
#Memory.SetPassphrase {}	object		Set passphrase for the given regions. For more information, see the Actions section below.
#Memory.UnlockUnit {}	object		This contains the action for unlocking given regions. For more information, see the Actions section below.
}
AllocationAlignmentMiB (v1.2+)	integer (MiBy)	read-only (null)	The boundary that memory regions are allocated on, measured in mebibytes (MiB).
AllocationIncrementMiB (v1.2+)	integer (MiBy)	read-only (null)	The size of the smallest unit of allocation for a memory region in mebibytes (MiB).
AllowedSpeedsMHz [ ]	array (MHz) (integer)	read-only	Speeds supported by this memory device.
Assembly (v1.4+) {}	object		The link to the assembly resource associated with this memory device.
BaseModuleType	string (enum)	read-only (null)	The base module type of the memory device. For the possible property values, see BaseModuleType in Property details.
BusWidthBits	integer	read-only (null)	The bus width, in bits.
CacheLevel (v1.20+)	integer	read-only	The level of the cache memory.
CacheSizeMiB (v1.4+)	integer (MiBy)	read-only (null)	Total size of the cache portion memory in MiB.
CapacityMiB	integer (MiBy)	read-only (null)	Memory capacity in mebibytes (MiB).
Certificates (v1.11+) {}	object		The link to a collection of certificates for device identity and attestation.
ConfigurationLocked (v1.7+)	boolean	read-only (null)	An indication of whether the configuration of this memory device is locked and cannot be altered.
CXL (v1.17+) {	object		CXL properties for this memory device.
LabelStorageSizeBytes (v1.17+)	integer (By)	read-only	The size of the label storage area in bytes of this memory device.
StagedNonVolatileSizeMiB (v1.17+)	integer (MiBy)	read-write	Total device non-volatile memory capacity in MiB staged for next activation. The value is in multiples of 256 MiB.
StagedVolatileSizeMiB (v1.17+)	integer (MiBy)	read-write	Total device volatile memory capacity in MiB staged for next activation. This value is in multiples of 256 MiB.
}
DataWidthBits	integer	read-only (null)	Data width in bits.
DeviceID (deprecated v1.3)	string	read-only (null)	Device ID. Deprecated in v1.3 and later. This property has been deprecated in favor of ModuleProductID.
DeviceLocator (deprecated v1.9)	string	read-only (null)	Location of the memory device in the platform. Deprecated in v1.9 and later. This property has been deprecated in favor of the ServiceLabel property within Location.
Enabled (v1.12+)	boolean	read-write	An indication of whether this memory is enabled.
EnvironmentMetrics (v1.11+) {}	object		The link to the environment metrics for this memory.
ErrorCorrection	string (enum)	read-only (null)	Error correction scheme supported for this memory device. For the possible property values, see ErrorCorrection in Property details.
FirmwareApiVersion	string	read-only (null)	Version of API supported by the firmware.
FirmwareRevision	string	read-only (null)	Revision of firmware on the memory controller.
FunctionClasses (deprecated v1.3) [ ]	array (string)	read-only	Function classes by the memory device. Deprecated in v1.3 and later. This property has been deprecated in favor of OperatingMemoryModes at the root of the resource, or MemoryClassification found within RegionSet.
HealthData (v1.17+) {	object		The health data of this memory device.
PredictedMediaLifeLeftPercent (v1.17+, deprecated v1.19)	number (%)	read-only (null)	The current health of the memory device as a percentage. Deprecated in v1.19 and later. This property has been deprecated in favor of PredictedMediaLifeLeftPercent in the MemoryMetrics resource.
}
IsRankSpareEnabled	boolean	read-only (null)	An indication of whether rank spare is enabled for this memory device.
IsSpareDeviceEnabled	boolean	read-only (null)	An indication of whether a spare device is enabled for this memory device.
Links (v1.2+) {	object		The links to other resources that are related to this resource.
Batteries (v1.15+) [ {	array		The batteries that provide power to this memory device during a power-loss event.
@odata.id	string (URI)	read-only	The unique identifier for a resource.
} ]
Chassis (v1.2+) {}	object		The link to the chassis that contains this memory device.
Endpoints (v1.17+) [ {	array		An array of links to the endpoints associated with this memory.
@odata.id	string (URI)	read-only	The unique identifier for a resource.
} ]
MemoryMediaSources (v1.17+) [ {	array		An array of memory chunks providing media for this memory.
@odata.id	string (URI)	read-only	The unique identifier for a resource.
} ]
MemoryRegionMediaSources (v1.18+) [ {	array		An array of memory regions providing media for this memory.
@odata.id	string (URI)	read-only	The unique identifier for a resource.
} ]
Oem {}	object		The OEM extension property. See the Resource schema for details on this property.
Processors (v1.11+) [ {	array		An array of links to the processors associated with this memory device.
@odata.id	string (URI)	read-only	The unique identifier for a resource.
} ]
}
Location (v1.4+) {}	object		The location of the memory device. See the v1_23_0.v1_23_0 schema for details on this property.
LocationIndicatorActive (v1.10+)	boolean	read-write (null)	An indicator allowing an operator to physically locate this resource.
Log (v1.13+) {}	object		The link to the log service associated with this memory.
LogicalSizeMiB (v1.4+)	integer (MiBy)	read-only (null)	Total size of the logical memory in MiB.
Manufacturer	string	read-only (null)	The memory device manufacturer.
MaxTDPMilliWatts [ ]	array (mW) (integer)	read-only	Set of maximum power budgets supported by the memory device in milliwatt units.
Measurements (v1.11+, deprecated v1.14) [ { } ]	array (object)		An array of DSP0274-defined measurement blocks. See the SoftwareInventory.v1_13_0 schema for details on this property. Deprecated in v1.14 and later. This property has been deprecated in favor of the ComponentIntegrity resource.
MemoryDeviceType	string (enum)	read-only (null)	Type details of the memory device. For the possible property values, see MemoryDeviceType in Property details.
MemoryLocation {	object		Memory connection information to sockets and memory controllers.
Channel	integer	read-only (null)	The channel number to which the memory device is connected.
MemoryController	integer	read-only (null)	The memory controller number to which the memory device is connected.
Slot	integer	read-only (null)	The slot number to which the memory device is connected.
Socket	integer	read-only (null)	The socket number to which the memory device is connected.
}
MemoryMedia [ ]	array (string (enum))	read-only	Media of this memory device. For the possible property values, see MemoryMedia in Property details.
MemorySubsystemControllerManufacturerID (v1.3+)	string	read-only (null)	The manufacturer ID of the memory subsystem controller of this memory device.
MemorySubsystemControllerProductID (v1.3+)	string	read-only (null)	The product ID of the memory subsystem controller of this memory device.
MemoryType	string (enum)	read-only (null)	The type of memory device. For the possible property values, see MemoryType in Property details.
Metrics {}	object		The link to the metrics associated with this memory device.
Model (v1.11+)	string	read-only (null)	The product model number of this device.
ModuleManufacturerID (v1.3+)	string	read-only (null)	The manufacturer ID of this memory device.
ModuleProductID (v1.3+)	string	read-only (null)	The product ID of this memory device.
NonVolatileSizeLimitMiB (v1.17+)	integer (MiBy)	read-write	The total non-volatile memory capacity in mebibytes (MiB).
NonVolatileSizeMiB (v1.4+)	integer (MiBy)	read-only (null)	Total size of the non-volatile portion memory in MiB.
Oem {}	object		The OEM extension property. See the Resource schema for details on this property.
OperatingMemoryModes [ ]	array (string (enum))	read-only	Memory modes supported by the memory device. For the possible property values, see OperatingMemoryModes in Property details.
OperatingSpeedMhz	integer (MHz)	read-only (null)	Operating speed of the memory device in MHz or MT/s as appropriate.
OperatingSpeedRangeMHz (v1.13+) {}	object		Range of allowed operating speeds (MHz). See the Control.v1_7_0 schema for details on this property.
PartNumber	string	read-only (null)	The product part number of this device.
PersistentRegionNumberLimit (v1.2+)	integer	read-only (null)	Total number of persistent regions this memory device can support.
PersistentRegionSizeLimitMiB	integer (MiBy)	read-only (null)	Total size of persistent regions in mebibytes (MiB).
PersistentRegionSizeMaxMiB (v1.2+)	integer (MiBy)	read-only (null)	Maximum size of a single persistent region in mebibytes (MiB).
PoisonListMaxMediaErrorRecords (v1.17+)	integer	read-write	The maximum number of media error records this device can track in its poison list.
PowerManagementICManufacturerID (v1.20+)	string	read-only (null)	The manufacturer ID of the Power Management Integrated Controller on this memory device.
PowerManagementICRevisionID (v1.20+)	string	read-only (null)	The revision ID of the Power Management Integrated Controller on this memory device.
PowerManagementPolicy {	object		Power management policy information.
AveragePowerBudgetMilliWatts	integer (mW)	read-only (null)	Average power budget, in milliwatt units.
MaxTDPMilliWatts	integer (mW)	read-only (null)	Maximum TDP in milliwatt units.
PeakPowerBudgetMilliWatts	integer (mW)	read-only (null)	Peak power budget, in milliwatt units.
PolicyEnabled	boolean	read-only (null)	An indication of whether the power management policy is enabled.
}
RankCount	integer	read-only (null)	Number of ranks available in the memory device.
Regions [ {	array		Memory regions information within the memory device.
MasterPassphraseEnabled (v1.17+)	boolean	read-only (null)	An indication of whether the master passphrase is enabled for this region.
MemoryClassification	string (enum)	read-only (null)	The classification of memory that the memory region occupies. For the possible property values, see MemoryClassification in Property details.
OffsetMiB	integer (MiBy)	read-only (null)	Offset within the memory that corresponds to the start of this memory region in mebibytes (MiB).
PassphraseEnabled (v1.5+)	boolean	read-only (null)	An indication of whether the passphrase is enabled for this region.
PassphraseState (deprecated v1.5)	boolean	read-only (null)	An indication of whether the state of the passphrase for this region is enabled. Deprecated in v1.5 and later. This property has been deprecated in favor of PassphraseEnabled found within RegionSet.
RegionId	string	read-only (null)	Unique region ID representing a specific region within the memory device.
SizeMiB	integer (MiBy)	read-only (null)	Size of this memory region in mebibytes (MiB).
} ]
SecurityCapabilities {	object		Security capabilities of the memory device.
ConfigurationLockCapable (v1.7+)	boolean	read-only (null)	An indication of whether this memory device supports the locking, or freezing, of the configuration.
DataLockCapable (v1.7+)	boolean	read-only (null)	An indication of whether this memory device supports data locking.
MaxPassphraseCount	integer	read-only (null)	Maximum number of passphrases supported for this memory device.
PassphraseCapable	boolean	read-only (null)	An indication of whether the memory device is passphrase capable.
PassphraseLockLimit (v1.7+)	integer	read-only (null)	The maximum number of incorrect passphrase attempts allowed before memory device is locked.
SecurityStates (deprecated v1.7) [ ]	array (string (enum))	read-only	Security states supported by the memory device. For the possible property values, see SecurityStates in Property details. Deprecated in v1.7 and later. This property has been deprecated in favor of using the individual PassphraseCapable, DataLockCapable, and ConfigurationLockCapable properties.
}
SecurityState (v1.7+)	string (enum)	read-write (null)	The current security state of this memory device. For the possible property values, see SecurityState in Property details.
SecurityStates (v1.17+) {	object		The security states of this memory device.
MasterPassphraseAttemptCountReached (v1.17+)	boolean	read-only (null)	An indication of whether an incorrect master passphrase attempt count has been reached.
UserPassphraseAttemptCountReached (v1.17+)	boolean	read-only (null)	An indication of whether an incorrect user passphrase attempt count has been reached.
}
SerialNumber	string	read-only (null)	The product serial number of this device.
SpareDeviceCount	integer	read-only (null)	Number of unused spare devices available in the memory device.
SparePartNumber (v1.11+)	string	read-only (null)	The spare part number of the memory.
Status (v1.1+) {}	object		The status and health of the resource and its subordinate or dependent resources. See the Resource schema for details on this property.
SubsystemDeviceID (deprecated v1.3)	string	read-only (null)	Subsystem device ID. Deprecated in v1.3 and later. This property has been deprecated in favor of MemorySubsystemControllerProductID.
SubsystemVendorID (deprecated v1.3)	string	read-only (null)	SubSystem vendor ID. Deprecated in v1.3 and later. This property has been deprecated in favor of MemorySubsystemControllerManufacturerID.
VendorID (deprecated v1.3)	string	read-only (null)	Vendor ID. Deprecated in v1.3 and later. This property has been deprecated in favor of ModuleManufacturerID.
VolatileRegionNumberLimit (v1.2+)	integer	read-only (null)	Total number of volatile regions this memory device can support.
VolatileRegionSizeLimitMiB	integer (MiBy)	read-only (null)	Total size of volatile regions in mebibytes (MiB).
VolatileRegionSizeMaxMiB (v1.2+)	integer (MiBy)	read-only (null)	Maximum size of a single volatile region in mebibytes (MiB).
VolatileSizeLimitMiB (v1.17+)	integer (MiBy)	read-write	The total volatile memory capacity in mebibytes (MiB).
VolatileSizeMiB (v1.4+)	integer (MiBy)	read-only (null)	Total size of the volatile portion memory in MiB.

Actions⁠

DisableMasterPassphrase (v1.17+)⁠

Description

Disables the master passphrase for the given region.

Action URI

{Base URI of target resource}/Actions/Memory.DisableMasterPassphrase

Action parameters

Parameter Name	Type	Attributes	Notes
Passphrase	string	required	The master passphrase for the specified region.
RegionId	string	required	The memory region ID to which to disable the master passphrase.

Request Example

{
    "Passphrase": "FluffyBunny",
    "RegionId": 2
}

DisablePassphrase⁠

Description

Disable passphrase for the given region.

Action URI

{Base URI of target resource}/Actions/Memory.DisablePassphrase

Action parameters

Parameter Name	Type	Attributes	Notes
Passphrase	string	required	Passphrase for doing the operation.
RegionId	string	required	The memory region ID to which to apply this action.

Request Example

{
    "Passphrase": "FluffyBunny",
    "RegionId": 2
}

FreezeSecurityState (v1.17+)⁠

Description

Freezes the security state of the memory device.

Action URI

{Base URI of target resource}/Actions/Memory.FreezeSecurityState

Action parameters

This action takes no parameters.

InjectPersistentPoison (v1.17+)⁠

Description

Injects poison to a specific persistent memory address in the memory device.

Action URI

{Base URI of target resource}/Actions/Memory.InjectPersistentPoison

Action parameters

Parameter Name	Type	Attributes	Notes
PhysicalAddress	string	required	The device persistent physical address in which to perform a poison injection as a hex-encoded string.

Request Example

{
    "PhysicalAddress": "0x8000000"
}

OverwriteUnit (v1.6+)⁠

Description

This contains the action for securely erasing given regions using the NIST SP800-88 Purge: Overwrite.

Action URI

{Base URI of target resource}/Actions/Memory.OverwriteUnit

Action parameters

Parameter Name	Type	Attributes	Notes
Passphrase	string	required	Passphrase for doing the operation.
RegionId	string	required	The memory region ID to which to apply this action.

Request Example

{
    "Passphrase": "FluffyBunny",
    "RegionId": 2
}

Reset (v1.8+)⁠

Description

This action resets this memory device.

Action URI

{Base URI of target resource}/Actions/Memory.Reset

Action parameters

Parameter Name	Type	Attributes	Notes
ResetType	string (enum)	optional	The type of reset. For the possible property values, see ResetType in Property details.

Request Example

{
    "ResetType": "ForceRestart"
}

ResetToDefaults (v1.16+)⁠

Description

The action resets the values of writable properties to factory defaults.

Action URI

{Base URI of target resource}/Actions/Memory.ResetToDefaults

Action parameters

This action takes no parameters.

ScanMedia (v1.17+)⁠

Description

Scans the media of the memory device.

Action URI

{Base URI of target resource}/Actions/Memory.ScanMedia

Action parameters

Parameter Name	Type	Attributes	Notes
Length	integer	required	The length of the target region to scan in bytes from the physical address.
NoEventLog	boolean	optional	Indicates whether events related to the media scan are not logged.
PhysicalAddress	string	required	The starting device physical address to scan as a hex-encoded string.

Request Example

{
    "PhysicalAddress": "0x8000000",
    "Length": 2097152
}

SecureEraseUnit⁠

Description

This contains the action for securely erasing given regions using the NIST SP800-88 Purge: Cryptographic Erase.

Action URI

{Base URI of target resource}/Actions/Memory.SecureEraseUnit

Action parameters

Parameter Name	Type	Attributes	Notes
Passphrase	string	required	Passphrase for doing the operation.
RegionId	string	required	The memory region ID to which to apply this action.

Request Example

{
    "Passphrase": "FluffyBunny",
    "RegionId": 2
}

SetMasterPassphrase (v1.17+)⁠

Description

Sets the master passphrase for the given region.

Action URI

{Base URI of target resource}/Actions/Memory.SetMasterPassphrase

Action parameters

Parameter Name	Type	Attributes	Notes
Passphrase	string	required	The master passphrase to set for the specified region.
RegionId	string	required	The memory region ID to which to apply the master passphrase.

Request Example

{
    "Passphrase": "FluffyBunny",
    "RegionId": 2
}

SetPassphrase⁠

Description

Set passphrase for the given regions.

Action URI

{Base URI of target resource}/Actions/Memory.SetPassphrase

Action parameters

Parameter Name	Type	Attributes	Notes
Passphrase	string	required	Passphrase for doing the operation.
RegionId	string	required	The memory region ID to which to apply this action.

Request Example

{
    "Passphrase": "FluffyBunny",
    "RegionId": 2
}

UnlockUnit⁠

Description

This contains the action for unlocking given regions.

Action URI

{Base URI of target resource}/Actions/Memory.UnlockUnit

Action parameters

Parameter Name	Type	Attributes	Notes
Passphrase	string	required	The passphrase required to complete the operation.
RegionId	string	required	The memory region ID to which to apply this action.

Request Example

{
    "Passphrase": "FluffyBunny",
    "RegionId": 2
}

Property details⁠

BaseModuleType⁠

 

The base module type of the memory device.

string	Description
CAMM (v1.21+)	Compression Attached Memory Module.
Die (v1.7+)	A die within a package.
LRDIMM	Load Reduced.
Mini_RDIMM	Mini_RDIMM.
Mini_UDIMM	Mini_UDIMM.
RDIMM	Registered DIMM.
SO_DIMM	SO_DIMM.
SO_DIMM_16b	SO_DIMM_16b.
SO_DIMM_32b	SO_DIMM_32b.
SO_RDIMM_72b	SO_RDIMM_72b.
SO_UDIMM_72b	SO_UDIMM_72b.
UDIMM	UDIMM.

ErrorCorrection⁠

 

Error correction scheme supported for this memory device.

string	Description
AddressParity	Address parity errors can be corrected.
MultiBitECC	Multibit data errors can be corrected by ECC.
NoECC	No ECC available.
SingleBitECC	Single bit data errors can be corrected by ECC.

idRef⁠

 

@odata.id	string (URI)	read-only	The unique identifier for a resource.

MemoryClassification⁠

 

The classification of memory that the memory region occupies.

string	Description
Block	Block-accessible memory.
ByteAccessiblePersistent	Byte-accessible persistent memory.
Volatile	Volatile memory.

MemoryDeviceType⁠

 

Type details of the memory device.

string	Description
DDR	DDR.
DDR2	DDR2.
DDR2_SDRAM	DDR2 SDRAM.
DDR2_SDRAM_FB_DIMM	DDR2 SDRAM FB_DIMM.
DDR2_SDRAM_FB_DIMM_PROBE	DDR2 SDRAM FB_DIMM PROBE.
DDR3	DDR3.
DDR3_SDRAM	DDR3 SDRAM.
DDR4	DDR4.
DDR4_SDRAM	DDR4 SDRAM.
DDR4E_SDRAM	DDR4E SDRAM.
DDR5 (v1.11+)	Double data rate type five synchronous dynamic random-access memory.
DDR5_MRDIMM (v1.21+)	DDR5 MRDIMM.
DDR_SDRAM	DDR SDRAM.
DDR_SGRAM	DDR SGRAM.
EDO	EDO.
FastPageMode	Fast Page Mode.
GDDR (v1.11+)	Synchronous graphics random-access memory.
GDDR2 (v1.11+)	Double data rate type two synchronous graphics random-access memory.
GDDR3 (v1.11+)	Double data rate type three synchronous graphics random-access memory.
GDDR4 (v1.11+)	Double data rate type four synchronous graphics random-access memory.
GDDR5 (v1.11+)	Double data rate type five synchronous graphics random-access memory.
GDDR5X (v1.11+)	Double data rate type five X synchronous graphics random-access memory.
GDDR6 (v1.11+)	Double data rate type six synchronous graphics random-access memory.
HBM (v1.7+)	High Bandwidth Memory.
HBM2 (v1.7+)	The second generation of High Bandwidth Memory.
HBM2E (v1.17+)	An updated version of the second generation of High Bandwidth Memory.
HBM3 (v1.11+)	The third generation of High Bandwidth Memory.
Logical (v1.4+)	Logical device, such as when the memory is fabric-attached.
LPDDR3_SDRAM	LPDDR3 SDRAM.
LPDDR4_SDRAM	LPDDR4 SDRAM.
LPDDR5_SDRAM (v1.19+)	LPDDR5 SDRAM.
OEM (v1.11+)	OEM-defined.
PipelinedNibble	Pipelined Nibble.
ROM	ROM.
SDRAM	SDRAM.

MemoryMedia⁠

 

Media of this memory device.

string	Description
DRAM	DRAM media.
Intel3DXPoint	Intel 3D XPoint media.
NAND	NAND media.
Proprietary	Proprietary media.

MemoryType⁠

 

The type of memory device.

string	Description
Cache (v1.20+)	Cache.
DRAM	The memory device is composed of volatile memory.
IntelOptane (v1.6+)	The memory device is an Intel Optane Persistent Memory Module.
NVDIMM_F	The memory device is composed of non-volatile memory.
NVDIMM_N	The memory device is composed of volatile memory backed by non-volatile memory.
NVDIMM_P	The memory device is composed of a combination of non-volatile and volatile memory.

OperatingMemoryModes⁠

 

Memory modes supported by the memory device.

string	Description
Block	Block-accessible system memory.
PMEM	Persistent memory, byte-accessible through system address space.
Volatile	Volatile memory.

ResetType⁠

 

The type of reset.

string	Description
ForceOff	Turn off the unit immediately (non-graceful shutdown).
ForceOn	Turn on the unit immediately.
ForceRestart	Shut down immediately and non-gracefully and restart the unit.
FullPowerCycle	Full power cycle the unit immediately (non-graceful). Behaves like removing utility lines, followed by restoring utility lines to the resource.
GracefulRestart	Shut down gracefully and restart the unit.
GracefulShutdown	Shut down gracefully and power off.
Nmi	Generate a diagnostic interrupt, which is usually an NMI on x86 systems, to stop normal operations, complete diagnostic actions, and, typically, halt the system.
On	Turn on the unit.
Pause	Pause execution on the unit but do not remove power. This is typically a feature of virtual machine hypervisors.
PowerCycle	Power cycle the unit immediately (non-graceful). Behaves like a power removal, followed by a power restore to the resource.
PushPowerButton	Simulate the pressing of the physical power button on this unit.
Resume	Resume execution on the paused unit. This is typically a feature of virtual machine hypervisors.
Suspend	Write the state of the unit to disk before powering off. This allows for the state to be restored when powered back on.

SecurityState⁠

 

The current security state of this memory device.

string	Description
Disabled	Secure mode is disabled.
Enabled	Secure mode is enabled and access to the data is allowed.
Frozen (deprecated v1.7)	Secure state is frozen and cannot be modified until reset. Deprecated in v1.7 and later. This value has been deprecated in favor of using the ConfigurationLocked value to indicate that the configuration has been frozen.
Locked	Secure mode is enabled and access to the data is locked.
Passphraselimit	Number of attempts to unlock the memory exceeded limit.
Unlocked (deprecated v1.7)	Secure mode is enabled and access to the data is unlocked. Deprecated in v1.7 and later. This value has been deprecated in favor of Enabled to indicate normal security operation.

SecurityStates⁠

 

Security states supported by the memory device.

string	Description
Disabled	Secure mode is disabled.
Enabled	Secure mode is enabled and access to the data is allowed.
Frozen	Secure state is frozen and cannot be modified until reset.
Locked	Secure mode is enabled and access to the data is locked.
Passphraselimit	Number of attempts to unlock the memory exceeded limit.
Unlocked	Secure mode is enabled and access to the data is unlocked.

Example response⁠

{
    "@odata.type": "#Memory.v1_23_0.Memory",
    "Name": "Regular Memory",
    "Id": "1",
    "RankCount": 1,
    "MaxTDPMilliWatts": [
        12000
    ],
    "CapacityMiB": 8192,
    "DataWidthBits": 64,
    "BusWidthBits": 72,
    "ErrorCorrection": "MultiBitECC",
    "MemoryLocation": {
        "Socket": 1,
        "MemoryController": 1,
        "Channel": 1,
        "Slot": 1
    },
    "MemoryType": "DRAM",
    "MemoryDeviceType": "DDR4",
    "BaseModuleType": "RDIMM",
    "MemoryMedia": [
        "DRAM"
    ],
    "Status": {
        "State": "Enabled",
        "Health": "OK"
    },
    "Metrics": {
        "@odata.id": "/redfish/v1/Systems/437XR1138R2/Memory/1/MemoryMetrics"
    },
    "EnvironmentMetrics": {
        "@odata.id": "/redfish/v1/Systems/437XR1138R2/Memory/1/EnvironmentMetrics"
    },
    "Location": {
        "PartLocation": {
            "ServiceLabel": "Socket 1_A",
            "LocationType": "Socket",
            "LocationOrdinalValue": 0
        }
    },
    "@odata.id": "/redfish/v1/Systems/437XR1138R2/Memory/1"
}