How to Enable PAE in x86 32-bit Windows Server 2003 and 2000 to Use Large 4GB or More RAM Memory如何启用PAE在x86 32位Windows Server 2003和2000年使用大型4GB或更多的RAM内存

After installing Windows 2000 (Datacenter Server or Advanced Server) or Windows 2003, system properties shows that only around 3.37 GB of physical memory (RAM) is available for application and system use, although 4 GB or more RAM modules have been installed, and BIOS can correctly identifies the full installed size of physical memory, which means that the motherboard and x86 or x64 CPU processor can support more than 4 GB of physical memory.在安装Windows 2000 （数据Server或Advanced Server ）或Windows 2003 ，系统属性显示，只有约3.37 GB的物理内存（ RAM ）可用于应用程序和系统使用，但第4 GB或更多RAM模块已经安装，和BIOS可以正确地确定了全面安装的大小的物理内存，这意味着主板和x86或x64 CPU处理器可以支持4 GB以上的物理内存。

32-bit Windows operating system depends on PAE ( 32位Windows操作系统的依赖抗生素后效应（ Physical Address Extension物理地址扩展 ) feature to use more than 4 GB of physical memory. ）功能，使用超过4 GB的物理内存。 On most Windows 2000 and Windows Server 2003 system, especially those run in NUMA mode on a NUMA-capable computer.在大多数Windows 2000和Windows Server 2003系统，尤其是那些运行模式的NUMA上的NUMA能力的计算机。 PAE is disabled by default. PAE是默认情况下禁用。 PAE is enabled by default only if DEP ( PAE是默认启用的DEP只（ Data Protection Execution数据执行保护 ) is enabled on a computer that supports hardware-enabled DEP, or if the computer is configured for hot-add memory devices in memory ranges beyond 4 GB. ）是启用的电脑上，支持硬件DEP的启用，或者如果计算机配置为热添加内存设备在记忆体范围超出4 GB的。

Thus, if PAE is not enabled in Windows 2000 and Windows Server 2003 (for example, if DEP is turned off by administrator), the system may not able to detect, identify and see more than 4GB memory, and will have to allocate slightly more than 3GB of memory for system and application only as some memory address space has to be reserved and mapped for system devices and peripherals.因此，如果PAE是没有启用在Windows 2000和Windows Server 2003 （举例来说，如果的DEP是关闭的管理人） ，系统可能无法检测，识别和看到超过4GB的内存，并将分配略多比的3Gb的内存系统和应用不仅是一些内存地址空间，必须保留和映射的系统设备和外围设备。

To enable PAE in Windows Server 2003 and Windows 2000 (and Windows XP), append the要启用PAE在Windows Server 2003和Windows 2000 （和Windows XP ） ，附加 /PAE /抗生素后效应 switch to the end of the line of operating system in the Boot.ini file.切换到年底线的作业系统中的Boot.ini文件。 To disable PAE, use the /NOPAE switch.如果要停用抗生素后效应，使用/ NOPAE开关。 The Boot.ini normally located in the root folder (ie C:\) with Read-Only and Hidden attributes, which are required to be removed before the file can be edited.在Boot.ini通常位于根文件夹中（即ç ： \ ）与只读和隐藏属性，这是必须删除的文件之前，可以进行编辑。

For example,例如，

Original Boot.ini:原始的BOOT.INI ：

[boot loader] [开机载入器]
timeout=0超时= 0
default=multi(0)disk(0)rdisk(0)partition(1)\WINNT默认=多（ 0 ）硬盘（ 0 ） rdisk （ 0 ）分区（ 1 ）的\ WINNT
[operating systems] [作业系统]
multi(0)disk(0)rdisk(0)partition(1)\WINNT=”Microsoft Windows 2000 Advanced Server”多（ 0 ）硬盘（ 0 ） rdisk （ 0 ）分区（ 1 ）的\ WINNT = “微软的Windows 2000 Advanced Server ”
/fastdetect / fastdetect

Change the Boot.ini to become:在Boot.ini变化，成为：

[boot loader] [开机载入器]
timeout=0超时= 0
default=multi(0)disk(0)rdisk(0)partition(1)\WINNT默认=多（ 0 ）硬盘（ 0 ） rdisk （ 0 ）分区（ 1 ）的\ WINNT
[operating systems] [作业系统]
multi(0)disk(0)rdisk(0)partition(1)\WINNT=”Microsoft Windows 2000 Advanced Server”多（ 0 ）硬盘（ 0 ） rdisk （ 0 ）分区（ 1 ）的\ WINNT = “微软的Windows 2000 Advanced Server ”
/fastdetect /PAE / fastdetect /太平洋建筑工程公司

For Bootcfg command, use:对于Bootcfg命令，请使用：

bootcfg /raw "/pae" /A /ID 1

Restart the computer after modification to make the change effective.之后重新启动电脑，修改，使有效的改变。

Note that even with PAE enabled, there is still memory limit imposed by the operating system itself.请注意，即使在太平洋建筑工程公司启用后，仍然有内存限制由操作系统本身。 The table below list the maximum memory support with PAE enabled for Windows 2000, Windows Server 2003 and Windows XP.下表列出的最大内存支持与太平洋建筑工程公司启用了用于Windows 2000 ， Windows Server 2003和Windows XP 。 Most 32-bit client based Windows operating system, such as Windows XP and Windows Vista (see大多数的32位客户端基于Windows操作系统，如Windows XP和Windows Vista （见 way to use large memory of more than 4GB in 32-bit Windows Vista使用的方式大容量超过4GB的32位的Windows Vista ), has OS level limit that restricts the maximum amount of memory able to be used to 4GB. ） ，已操作系统级别限制，限制的最大内存量能够使用到4GB 。

IMPORTANT : You're reading a machine translated page which is provided "as is" without warranty. 重要：您正在阅读的机器翻译网页这是“原样”提供，无保修。 Unlike human translation, machine translation does not understand the grammar, semantics, syntax, idioms of natural language, thus often produce inaccurate and low quality text which is misleading and incomprehensible.不同人的翻译，机器翻译不明白的语法，语义，句法，成语自然语言，因此，往往产生不准确，低质量的文字这是误导和费解。 Thus, please refer to因此，请参阅 original English article英文原文的文章 when in doubt.当怀疑。

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