topic how much ram can support in Operating System - Microsoft

how much ram can support

pratapvfr — Tue, 23 Jun 2009 05:42:08 GMT

Hello,
would like to know how much physical RAM can support for windows 2008,

Re: how much ram can support

Edgar Zapata — Tue, 23 Jun 2009 06:56:09 GMT

Hi,

It depends on the hardware and the Operating System Edition.

As a quick guide:
For x86 RAM:
Windows 2008 Standard Edition: up to 4 GB
Windows 2008 Enterprise Edition: up to 64 GB.

Please, see below:

http://www.microsoft.com/windowsserver2008/en/us/compare-specs.aspx

Hope it helps.

Edgar.

Re: how much ram can support

pratapvfr — Tue, 23 Jun 2009 07:26:21 GMT

how about windows 2003

Re: how much ram can support

avizen9 — Tue, 23 Jun 2009 07:28:42 GMT

check this below url, will get your ans, it can support more then 4gb need to modify the boot.ini file

http://msdn.microsoft.com/en-us/library/aa366778.aspx#physical_memory_limits_windows_server_2003

Re: how much ram can support

Edgar Zapata — Tue, 23 Jun 2009 07:36:29 GMT

For Windows 2003 see this:

The maximum amount of memory that can be supported on Windows Server 2003 is also 4 GB.
W2K3 Enterprise Edition supports 32 GB.
W2K3 Datacenter Edition supports 64 GB.

Whenever you add over 4 GB RAM you must use the PAE switch.
Check this out:
http://www.microsoft.com/whdc/system/platform/server/PAE/pae_os.mspx

It goes like this:
[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(2)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(2)\WINDOWS="Windows Server 2003, Enterprise" /fastdetect /PAE

http://support.microsoft.com/kb/283037/en-us

Hope it helps.

Edgar.