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Windows 2000 Server with 8GB of RAM

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We just recently acquired a leftover of an Super Micro server, SuperServer 8240. It has four Xeon processors and 8GB RAM. My question here is why Windows 2000 Server with SP4 only see upto 4GB of RAM instead of full 8GB?

Any suggestion on how to make it see and use the full 8GB or even more if we put in it, will be appreciated. Thank You.

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Clarifications

In reply to Windows 2000 Server with 8GB of RAM

Clarifications

Windows 2000 Server is a 32-bit operating system

In reply to Windows 2000 Server with 8GB of RAM

Windows 2000 Server is a 32-bit operating system. So, it can only see 2**32 = 4 GB of RAM (1). But, with the PAE feature (Physical Address Extension) (2):

– Windows 2000 Advanced Server supports up to 8 GB of RAM.

– Windows 2000 Datacenter Server supports up to 32 GB of RAM.

(1) Memory Support and Windows Operating Systems
http://www.microsoft.com/whdc/system/platform/server/PAE/PAEmem.mspx

(2) Operating Systems and PAE Support
http://www.microsoft.com/whdc/system/platform/server/PAE/pae_os.mspx

Windows 2000 Server is a 32-bit operating system

In reply to Windows 2000 Server is a 32-bit operating system

Thank you very much for the information.

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