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Memory Limits for Windows and Windows Server Releases (Windows)This topic describes the memory limits for supported Windows and Windows Server releases. Limits on memory and address space vary by platform, operating system, and by whether the. IMAGE. For more information, see. What is 4. GT. Limits on physical memory for 3. Physical Address Extension (PAE), which allows.

If you are running Windows XP or Windows Vista and are thinking about making the switch to Windows 7, you might be wondering what's the difference between. Microsoft Windows, or simply Windows, is a metafamily of graphical operating systems developed, marketed, and sold by Microsoft. It consists of several families of. Windows Embedded Standard 7 delivers the power, familiarity, and reliability of the Windows 7 operating system in a componentized form for developers to create. Alot of work goes into a LTS (Long Term Supported) release. I have spent a great chunk of my time writing TMOSB to automate building of Ultimate Edition 5.7, and will.

Windows systems to use more than 4 GB of physical memory. Memory and Address Space Limits. The following table specifies the limits on memory and address space for supported releases of Windows.

Unless. otherwise noted, the limits in this table apply to all supported releases. Memory type. Limit on X8. Limit in 6. 4- bit Windows. User- mode virtual address space for each 3. GBUp to 3 GB with IMAGE. Starting with. Windows Vista with Service Pack 1 (SP1), the paged pool can also be limited by the. Paged. Pool. Limit registry key.

Windows Home Server and Windows Server 2. MBWindows XP:  4. MB3. 84 GB or system commit limit, whichever is smaller.

Windows 8. 1 and Windows Server 2. R2:  1. 5. 5 TB or system commit limit, whichever is smaller. Starting with. Windows Vista with SP1, the nonpaged pool can also be limited by the. Non. Paged. Pool. Limit. registry key value. Windows Home Server, Windows Server 2.

Windows XP:  2. 56 MB, or 1. MB with 4. GT. RAM or 1. GB, whichever is smaller (address space is limited to 2 x RAM). Windows 8. 1 and Windows Server 2. R2:  RAM or 1. 6 TB, whichever is smaller (address space is limited to 2 x RAM). Windows Server 2.

Windows 7 Drivers for Compaq Presario CQ40 SeriesOS: Windows 7 32-bitServer: Hewlett PackardDriver-Audio (2):IDT High Definition Audio CODEC Version 6.10.6225.0 Rev.

R2, Windows 7 and Windows Server 2. RAM up to a maximum of 1. GBWindows Vista:  4. RAM up to a maximum of 1. GB. Windows Server 2.

Windows XP:  Up to 1. GB depending on configuration and RAM. System cache virtual address space (physical size limited only by physical memory)Limited by available kernel- mode virtual address space or the. System. Cache. Limit registry.

Windows 8. 1 and Windows Server 2. R2:  1. 6 TB. Windows Vista:  Limited only by kernel mode virtual address space. Starting with. Windows Vista with SP1, system cache virtual address space can also be limited by the. System. Cache. Limit. Windows Home Server, Windows Server 2. Windows XP:  8. 60 MB with. Large. System. Cache.

GT; up to 4. 48 MB with 4. GT. Always 1 TB regardless of physical RAM. Windows 8. 1 and Windows Server 2. R2:  1. 6 TB. Windows Server 2.

Windows XP:  Up to 1 TB depending on configuration and RAM. Physical Memory Limits: Windows 1. The following table specifies the limits on physical memory for Windows 1. Version. Limit on X8. Limit on X6. 4Windows 1.

Enterprise. 4 GB2. TBWindows 1. 0 Education. GB2. TBWindows 1. Pro. 4 GB2. TBWindows 1. Home. 4 GB1. 28. GBPhysical Memory Limits: Windows Server 2. The following table specifies the limits on physical memory for Windows Server 2.

Version. Limit on X6. Windows Server 2. Datacenter. 24 TBWindows Server 2. Standard. 24 TBPhysical Memory Limits: Windows 8. The following table specifies the limits on physical memory for Windows 8. Version. Limit on X8. Limit on X6. 4Windows 8 Enterprise.

GB5. 12 GBWindows 8 Professional. GB5. 12 GBWindows 8. GB1. 28 GBPhysical Memory Limits: Windows Server 2. The following table specifies the limits on physical memory for Windows Server 2.

Limits greater than 4 GB. How To Write Software Manual. Windows assume that PAE is enabled. Version. Limit on X8.

Limit on X6. 4Limit on IA6. Windows Server 2. Datacenter. 64 GB1 TBWindows Server 2. Enterprise. 64 GB1 TBWindows Server 2. HPC Edition. 12. 8 GBWindows Server 2. Standard. 4 GB3. 2 GBWindows Server 2. Itanium- Based Systems.

TBWindows Small Business Server 2. GB3. 2 GBWindows Web Server 2. GB3. 2 GBPhysical Memory Limits: Windows Vista. The following table specifies the limits on physical memory for Windows Vista. Version. Limit on X8. Limit on X6. 4Windows Vista Ultimate.

GB1. 28 GBWindows Vista Enterprise. GB1. 28 GBWindows Vista Business. GB1. 28 GBWindows Vista Home Premium.

GB1. 6 GBWindows Vista Home Basic. GB8 GBWindows Vista Starter. GBPhysical Memory Limits: Windows Home Server. Windows Home Server is available only in a 3. The physical memory limit is 4 GB. Physical Memory Limits: Windows Server 2. R2. The following table specifies the limits on physical memory for Windows Server 2.

R2. Limits. over 4 GB for 3. Windows assume that PAE is. Version. Limit on X8. Limit on X6. 4Windows Server 2.

R2 Datacenter Edition. GB(1. 6 GB with 4. GT)1 TBWindows Server 2. R2 Enterprise Edition. GB(1. 6 GB with 4. GT)1 TBWindows Server 2.

R2 Standard Edition. GB3. 2 GBPhysical Memory Limits: Windows Server 2. Service Pack 2 (SP2)The following table specifies the limits on physical memory for Windows Server 2. Service Pack 2 (SP2).

Limits. over 4 GB for 3. Windows assume that PAE is. Version. Limit on X8. Limit on X6. 4Limit on IA6.

Windows Server 2. Service Pack 2 (SP2), Datacenter Edition. GB(1. 6 GB with 4. GT)1 TB2 TBWindows Server 2.

Service Pack 2 (SP2), Enterprise Edition. GB(1. 6 GB with 4.

GT)1 TB2 TBWindows Server 2. Service Pack 2 (SP2), Standard Edition. GB3. 2 GBPhysical Memory Limits: Windows Server 2. Service Pack 1 (SP1)The following table specifies the limits on physical memory for Windows Server 2.

Service Pack 1 (SP1). Limits over 4. GB for 3. Windows assume that PAE is enabled. Version. Limit on X8. Limit on X6. 4Limit on IA6.

Windows Server 2. Service Pack 1 (SP1), Datacenter Edition. GB(1. 6 GB with 4. GT)X6. 4 1 TB1 TBWindows Server 2. Service Pack 1 (SP1), Enterprise Edition. GB(1. 6 GB with 4.

GT)X6. 4 1 TB1 TBWindows Server 2. Service Pack 1 (SP1), Standard Edition. GB3. 2 GBPhysical Memory Limits: Windows Server 2.

The following table specifies the limits on physical memory for Windows Server 2. Limits over 4. GB for 3. Windows assume that PAE is enabled. Version. Limit on X8.

Limit on IA6. 4Windows Server 2. Datacenter Edition. GB(1. 6 GB with 4. GT)5. 12 GBWindows Server 2. Enterprise Edition. GB(1. 6 GB with 4. GT)5. 12 GBWindows Server 2.

Standard Edition. GBWindows Server 2. Web Edition. 2 GBWindows Small Business Server 2. GBWindows Compute Cluster Server 2.

GBWindows Storage Server 2. Enterprise Edition.

GBWindows Storage Server 2. GBPhysical Memory Limits: Windows XPThe following table specifies the limits on physical memory for Windows XP. Version. Limit on X8.

Limit on X6. 4Limit on IA6. Windows XP4 GB1. 28 GB1. GB (not supported)Windows XP Starter Edition. MBN/AN/APhysical Memory Limits: Windows Embedded. The following table specifies the limits on physical memory for Windows Embedded. Version. Limit on X8. Limit on X6. 4Windows XP Embedded.

GBWindows Embedded Standard 2. GBWindows Embedded Standard 7. GB1. 92 GBHow graphics cards and other devices affect memory limits. Devices have to map their memory below 4 GB for compatibility with non- PAE- aware Windows releases. Therefore. if the system has 4. GB of RAM, some of it is either disabled or is remapped above 4. GB by the BIOS. If the memory.

X6. 4 Windows can use this memory. X8. 6 client versions of Windows don’t support physical memory above. GB mark, so they can’t access these remapped regions. Any X6. 4 Windows or X8. Server release can. X8. 6 client versions with PAE enabled do have a usable 3.

GB) physical address space. The limit that. these versions impose is the highest permitted physical RAM address, not the size of the IO space. That means. PAE- aware drivers can actually use physical space above 4 GB if they want. For example, drivers could map the.