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2013-07-29 09:30:16

在继续整理这份笔记之前,我们先列一下Windows各发行版所支持物理内存的最大限制:

1. 内存和地址空间限制



Memory type Limit in on X86 Limit in 64-bit Windows

32位进程用户态的虚拟地址空间

2 GB

Up to 3 GB with IMAGE_FILE_LARGE_ADDRESS_AWARE and 4GT

2 GB withIMAGE_FILE_LARGE_ADDRESS_AWAREcleared (default)

4 GB withIMAGE_FILE_LARGE_ADDRESS_AWAREset

64位进用户态的虚拟地址空

N/A

With IMAGE_FILE_LARGE_ADDRESS_AWAREset (default):

x64:  8 TB
Intel Itanium-based systems:  7 TB

2 GB withIMAGE_FILE_LARGE_ADDRESS_AWAREcleared

核心态虚拟地址空间

2 GB

From 1 GB to a maximum of 2 GB with 4GT

8 TB

页池

Limited by available kernel-mode virtual address space or the registry key value.

Windows Vista:  Limited by available kernel-mode virtual address space. Starting with Windows Vista with Service Pack 1 (SP1), the paged pool can also be limited by the  registry key value.
Windows Home Server and Windows Server 2003:  530 MB
Windows XP:  490 MB

128 GB

Windows Server 2003 and Windows XP:  Up to 128 GB depending on configuration and RAM.

非页池

Limited by available kernel-mode virtual address space, the registry key value, or physical memory.

Windows Vista:  Limited only by kernel mode virtual address space and physical memory. Starting with Windows Vista with SP1, the nonpaged pool can also be limited by the  registry key value.
Windows Home Server, Windows Server 2003, and Windows XP:  256 MB, or 128 MB with 4GT.

75% of RAM up to a maximum of 128 GB

Windows Vista:  40% of RAM up to a maximum of 128 GB.
Windows Server 2003 and Windows XP:  Up to 128 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 registry key value.

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  registry key value.
Windows Home Server, Windows Server 2003, and Windows XP:  860 MB with  registry key set and without 4GT; up to 448 MB with 4GT.

Always 1 TB regardless of physical RAM

Windows Server 2003 and Windows XP:  Up to 1 TB depending on configuration and RAM.



2. 物理内存的限制


2.1 Windows 8


Version Limit on X86 Limit on X64
Windows 8 Enterprise

4 GB

512 GB

Windows 8 Professional

4 GB

512 GB

Windows 8

4 GB

128 GB



2.2 Windows Server 2012


Version Limit on X64
Windows Server 2012 Datacenter

4 TB

Windows Server 2012 Standard

4 TB

Windows Server 2012 Essentials

64 GB

Windows Server 2012 Foundation

32 GB

Windows Storage Server 2012 Workgroup

32 GB

Windows Storage Server 2012 Standard

4 TB

Hyper-V Server 2012

4 TB



2.3 Windows 7:


Version Limit on X86 Limit on X64
Windows 7 Ultimate

4 GB

192 GB

Windows 7 Enterprise

4 GB

192 GB

Windows 7 Professional

4 GB

192 GB

Windows 7 Home Premium

4 GB

16 GB

Windows 7 Home Basic

4 GB

8 GB

Windows 7 Starter

2 GB

N/A



2.4 Windows Server 2008 R2



Version Limit on X64 Limit on IA64
Windows Server 2008 R2 Datacenter

2 TB

 
Windows Server 2008 R2 Enterprise

2 TB

 
Windows Server 2008 R2 for Itanium-Based Systems  

2 TB

Windows Server 2008 R2 Foundation

8 GB

 
Windows Server 2008 R2 Standard

32 GB

 
Windows HPC Server 2008 R2

128 GB

 
Windows Web Server 2008 R2

32 GB

 


2.5  Windows Server 2008

Version Limit on X86 Limit on X64 Limit on IA64
Windows Server 2008 Datacenter

64 GB

1 TB

 
Windows Server 2008 Enterprise

64 GB

1 TB

 
Windows Server 2008 HPC Edition  

128 GB

 
Windows Server 2008 Standard

4 GB

32 GB

 
Windows Server 2008 for Itanium-Based Systems    

2 TB

Windows Small Business Server 2008

4 GB

32 GB

 
Windows Web Server 2008

4 GB

32 GB

 


2.6 Windows Vista



Version Limit on X86 Limit on X64
Windows Vista Ultimate

4 GB

128 GB

Windows Vista Enterprise

4 GB

128 GB

Windows Vista Business

4 GB

128 GB

Windows Vista Home Premium

4 GB

16 GB

Windows Vista Home Basic

4 GB

8 GB

Windows Vista Starter

1 GB

 


2.7 Windows Home Server


Windows Home Server 只有32位版本,最大物理内存4G

2.8 Windows Server 2003 R2

Version Limit on X86 Limit on X64

Windows Server 2003 R2 Datacenter Edition

64 GB

(16 GB with 4GT)

1 TB

Windows Server 2003 R2 Enterprise Edition

64 GB

(16 GB with 4GT)

1 TB

Windows Server 2003 R2 Standard Edition

4 GB

32 GB


2.9 Windows Server 2003 with Service Pack 2 (SP2)


Version Limit on X86 Limit on X64 Limit on IA64

Windows Server 2003 with Service Pack 2 (SP2), Datacenter Edition

64 GB

(16 GB with 4GT)

1 TB

2 TB

Windows Server 2003 with Service Pack 2 (SP2), Enterprise Edition

64 GB

(16 GB with 4GT)

1 TB

2 TB

Windows Server 2003 with Service Pack 2 (SP2), Standard Edition

4 GB

32 GB



2.10  Windows Server 2003 with Service Pack 1 (SP1)


Version Limit on X86 Limit on X64 Limit on IA64

Windows Server 2003 with Service Pack 1 (SP1), Datacenter Edition

64 GB

(16 GB with 4GT)

X64 1 TB

1 TB

Windows Server 2003 with Service Pack 1 (SP1), Enterprise Edition

64 GB

(16 GB with 4GT)

X64 1 TB

1 TB

Windows Server 2003 with Service Pack 1 (SP1), Standard Edition

4 GB

32 GB

 


2.11 Windows Server 2003


Version Limit on X86 Limit on IA64

Windows Server 2003, Datacenter Edition

64 GB

(16 GB with 4GT)

512 GB

Windows Server 2003, Enterprise Edition

64 GB

(16 GB with 4GT)

512 GB

Windows Server 2003, Standard Edition

4 GB

 

Windows Server 2003, Web Edition

2 GB

 

Windows Small Business Server 2003

4 GB

 

Windows Compute Cluster Server 2003

 

32 GB

Windows Storage Server 2003, Enterprise Edition

8 GB

 

Windows Storage Server 2003

4 GB

 


2.12  Windows XP


ersion Limit on X86 Limit on X64 Limit on IA64
Windows XP

4 GB

128 GB

128 GB (not supported)

Windows XP Starter Edition

512 MB

N/A

N/A


2.13  Windows Embedded


Version Limit on X86 Limit on X64

Windows XP Embedded

4 GB

 

Windows Embedded Standard 2009

4 GB

 

Windows Embedded Standard 7

4 GB

192 GB




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