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Enterprise Memory Architecture hardware and software requirements

Updated: January 21, 2005

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

Enterprise Memory Architecture hardware and software requirements

The table below shows the hardware and software requirements for the two types of memory enhancement that EMA supports: application memory tuning and Physical Address Extension (PAE) X86.


Technology Hardware and software requirements

Application memory tuning, also known as 4-gigabyte tuning (4GT)

  • X86-based processor

  • 2 gigabytes (GB) or more of random access memory (RAM)

Physical Address Extension (PAE) X86

  • Pentium Pro processor or later

  • More than 4 GB of RAM

  • 450 NX or compatible chip set and support, or later

  • The Hardware Abstraction Layer (HAL) must support PAE mode and the proper access to RAM.

  • Windows Server 2003, Enterprise Edition, or Windows Server 2003, Datacenter Edition

Contact your hardware vendor for additional information.


  • This topic does not apply to Windows Server 2003, Web Edition.

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