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Total physical memory and Total virtual memory
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Win32_PhysicalMemory class
Syntax
Members
Properties
Remarks
Examples

Total physical memory and Total virtual memory

Hi, When I have checked the system information of my laptop on which Windows XP SP3 installed, I found out that RAM is about:

Total physical memory: 2.048MB

Available physical memory:1.32GB

Total virtual memory:2GB

Total available memory:1.96GB

As this screen shot in Arabic shows:

I really don’t know what those four memories mean. it could be highly appreciated to tell me

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Physical memory is the actual RAM that is installed inyour PC it is quite fast in terms of accessing data

Virtual memory is not physical in terms that you cannot touch it or remomve it. Vitutal memory is a section of unused harddrive space that is used inplace of the faster physical memory that your PC lacks.

Since the hard drive is slower interms of accessing data compared to physical memory, your PC will see an increased in performance by adding or replacing existing physical memory with more or larger amounts ( 512MB or more)

The virtual memory allows your computer to still function , although at a slower speed when running applications that have used up all of the physical memory. Remember , before you even start a program the PC already is running the OS and other services which each allocate a chunk of physical memory for themselves. You can see exactly how much is used by pressing CTRL-ALT-DEL and viewing the process tab and viewing the Performance tab.

You can easily determine what memory your need to add to your PC by visiting a site like Crucial.com which can analyze your pc for the type of memory used.

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We would like to know is the version of Operating System installed on your computer.

I would suggest you to change the language settings of your computer to English and then provide the screenshots.

Write to us with the asked details so that we can assist you ahead.

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We would like to know is the version of Operating System installed on your computer.

If you look at the original post you can see it says Microsoft Windows XP Professional SP3 and it’s 32 bit!

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Physical memory is the actual RAM that is installed inyour PC it is quite fast in terms of accessing data

Читайте также: Windows usb флеш драйвер

You can easily determine what memory your need to add to your PC by visiting a site like Crucial.com which can analyze your pc for the type of memory used.

Thanks a lot all of you.

If you have a look at these two screen shoots for another laptop of mine, you will see that Total Physical Memory is about 1GB and Total virtual memory is about 2GB. Thus, can I install a Windows 7 based for(64/32Bit) system without problems?

Win32_PhysicalMemory class

The Win32_PhysicalMemory WMI class represents a physical memory device located on a computer system and available to the operating system.

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

Members

The Win32_PhysicalMemory class has these types of members:

Properties

The Win32_PhysicalMemory class has these properties.

Attributes

Data type: uint32

Access type: Read-only

SMBIOS — Type 17 — Attributes. Represents the RANK.

This value comes from the Attributes member of the Memory Device structure in the SMBIOS information.

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

BankLabel

Data type: string

Access type: Read-only

Physically labeled bank where the memory is located.

Examples: «Bank 0», «Bank A»

This value comes from the Bank Locator member of the Memory Device structure in the SMBIOS information.

Capacity

Data type: uint64

Access type: Read-only

Total capacity of the physical memoryвЂ”in bytes.

This value comes from the Memory Device structure in the SMBIOS version information. For SMBIOS versions 2.1 thru 2.6 the value comes from the Size member. For SMBIOS version 2.7+ the value comes from the Extended Size member.

For more information about using uint64 values in scripts, see Scripting in WMI.

Caption

Data type: string

Access type: Read-only

Short description of the objectвЂ”a one-line string.

ConfiguredClockSpeed

Data type: uint32

Access type: Read-only

Qualifiers: MappingStrings («SMBIOS|Type 17|Configured Memory Clock Speed»)

The configured clock speed of the memory device, in megahertz (MHz), or 0, if the speed is unknown.

This value comes from the Configured Memory Clock Speed member of the Memory Device structure in the SMBIOS information.

ConfiguredVoltage

Data type: uint32

Access type: Read-only

Qualifiers: MappingStrings («SMBIOS|Type 17|Configured voltage»)

Configured voltage for this device, in millivolts, or 0, if the voltage is unknown.

This value comes from the Configured voltage member of the Memory Device structure in the SMBIOS information.

CreationClassName

Data type: string

Access type: Read-only

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.

DataWidth

Data type: uint16

Access type: Read-only

Data width of the physical memoryвЂ”in bits. A data width of 0 (zero) and a total width of 8 (eight) indicates that the memory is used solely to provide error correction bits.

This value comes from the Data Width member of the Memory Device structure in the SMBIOS information.

Description

Data type: string

Access type: Read-only

Description of an object.

DeviceLocator

Data type: string

Access type: Read-only

Label of the socket or circuit board that holds the memory.

This value comes from the Device Locator member of the Memory Device structure in the SMBIOS information.

FormFactor

Data type: uint16

Access type: Read-only

Implementation form factor for the chip.

This value comes from the Form Factor member of the Memory Device structure in the SMBIOS information.

This property is inherited from CIM_Chip.

HotSwappable

Data type: boolean

Access type: Read-only

If TRUE, this physical media component can be replaced with a physically different but equivalent one while the containing package has the power applied. For example, a fan component may be designed to be hot-swapped. All components that can be hot-swapped are inherently removable and replaceable.

InstallDate

Data type: datetime

Access type: Read-only

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

InterleaveDataDepth

Data type: uint16

Access type: Read-only

Qualifiers: MappingStrings («SMBIOS|Type 20|Interleaved Data Depth»)

Unsigned 16-bit integer maximum number of consecutive rows of data that are accessed in a single interleaved transfer from the memory device. If the value is 0 (zero), the memory is not interleaved.

InterleavePosition

Data type: uint32

Access type: Read-only

Qualifiers: MappingStrings («MIF.DMTF|Memory Device Mapped Addresses|001.7»)

Position of the physical memory in an interleave. For example, in a 2:1 interleave, a value of «1» indicates that the memory is in the «even» position.

Manufacturer

Data type: string

Access type: Read-only

Name of the organization responsible for producing the physical element.

This value comes from the Manufacturer member of the Memory Device structure in the SMBIOS information.

MaxVoltage

Data type: uint32

Access type: Read-only

The maximum operating voltage for this device, in millivolts, or 0, if the voltage is unknown.

This value comes from the Maximum voltage member of the Memory Device structure in the SMBIOS information.

MemoryType

Data type: uint16

Access type: Read-only

Type of physical memory. This is a CIM value that is mapped to the SMBIOS value. The SMBIOSMemoryType property contains the raw SMBIOS memory type.

This value comes from the Memory Type member of the Memory Device structure in the SMBIOS information.

Unknown (0)

Other (1)

DRAM (2)

Synchronous DRAM (3)

Cache DRAM (4)

EDO (5)

EDRAM (6)

VRAM (7)

SRAM (8)

RAM (9)

ROM (10)

Flash (11)

EEPROM (12)

FEPROM (13)

EPROM (14)

CDRAM (15)

3DRAM (16)

SDRAM (17)

SGRAM (18)

RDRAM (19)

DDR (20)

DDR2 (21)

DDR2вЂ”May not be available.

DDR2 FB-DIMM (22)

DDR2вЂ”FB-DIMM,May not be available.

DDR3вЂ”May not be available.

DDR4 (26)

MinVoltage

Data type: uint32

Access type: Read-only

The minimum operating voltage for this device, in millivolts, or 0, if the voltage is unknown.

This value comes from the Minimum voltage member of the Memory Device structure in the SMBIOS information.

Model

Data type: string

Access type: Read-only

Name for the physical element.

Name

Data type: string

Access type: Read-only

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

OtherIdentifyingInfo

Data type: string

Access type: Read-only

Additional data, beyond 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. If only bar code data is available and unique or able to be used as an element key, this property is be NULL and the bar code data is used as the class key in the tag property.

PartNumber

Data type: string

Access type: Read-only

Part number assigned by the organization responsible for producing or manufacturing the physical element.

This value comes from the Part Number member of the Memory Device structure in the SMBIOS information.

PositionInRow

Data type: uint32

Access type: Read-only

Qualifiers: MappingStrings («MIF.DMTF|Memory Device Mapped Addresses|001.6»)

Position of the physical memory in a row. For example, if it takes two 8-bit memory devices to form a 16-bit row, then a value of 2 (two) means that this memory is the second deviceвЂ”0 (zero) is an invalid value for this property.

PoweredOn

Data type: boolean

Access type: Read-only

If TRUE, the physical element is powered on.

Removable

Data type: boolean

Access type: Read-only

If TRUE, a physical component is removable (if it is designed to be taken in and out of the physical container in which it is normally found, without impairing the function of the overall packaging). A component can still be removable if power must be «off» to perform the removal. If power can be «on» and the component removed, then the element is removable and can be hot-swapped. For example, an upgradable processor chip is removable.

Replaceable

Data type: boolean

Access type: Read-only

If TRUE, this physical media component can be replaced with a physically different one. For example, some computer systems allow the main processor chip to be upgraded to one of a higher clock rating. In this case, the processor is said to be replaceable. All removable components are inherently replaceable.

SerialNumber

Data type: string

Access type: Read-only

Manufacturer-allocated number to identify the physical element.

This value comes from the Serial Number member of the Memory Device structure in the SMBIOS information.

SKU

Data type: string

Access type: Read-only

Stock keeping unit number for the physical element.

SMBIOSMemoryType

Data type: uint32

Access type: Read-only

The raw SMBIOS memory type. The value of the MemoryType property is a CIM value that is mapped to the SMBIOS value.

Speed

Data type: uint32

Access type: Read-only

Speed of the physical memoryвЂ”in nanoseconds.

This value comes from the Speed member of the Memory Device structure in the SMBIOS information.

Status

Data type: string

Access type: Read-only

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.

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»)

Tag

Data type: string

Access type: Read-only

Unique identifier for the physical memory device that is represented by an instance of Win32_PhysicalMemory. This property is inherited from CIM_PhysicalElement.

Example: «Physical Memory 1»

TotalWidth

Data type: uint16

Access type: Read-only

Total width, in bits, of the physical memory, including check or error correction bits. If there are no error correction bits, the value in this property should match what is specified for the DataWidth property.

This value comes from the Total Width member of the Memory Device structure in the SMBIOS information.

TypeDetail

Data type: uint16

Access type: Read-only

Type of physical memory represented.

This value comes from the Type Detail member of the Memory Device structure in the SMBIOS information.

Reserved (1)

Other (2)

Unknown (4)

Fast-paged (8)

Static column (16)

Pseudo-static (32)

RAMBUS (64)

Synchronous (128)

CMOS (256)

EDO (512)

Window DRAM (1024)

Cache DRAM (2048)

Non-volatile (4096)

Version

Data type: string

Access type: Read-only

Version of the physical element.

Remarks

The Win32_PhysicalMemory class is derived from CIM_PhysicalMemory.

Examples

The Get-ComputerInfo — Query Computer Info From Local/Remote Computers — (WMI) PowerShell sample on TechNet Gallery uses a number of calls to hardware and software, including Win32_PhysicalMemory, to display information about a local or remote system.

The Server Report PowerShell sample on TechNet gallery uses a number of calls to hardware and software, including Win32_PhysicalMemory, to gather server information and publish in Word document.

The following PowerShell code sample retrieves information regarding the physical memory of the local computer.

Windows total physical memory

Total physical memory and Total virtual memory

Replies (13) 

Win32_PhysicalMemory class

Syntax

Members

Properties

Remarks

Examples