Make SQL Server 2005 Address more than 2Gb on Windows 2003/2000 32bit versions


If you are using Sql Server 2005 straight out of the box on
32bit Windows 2003 / 2000 and you would like Sql Server to be able to address
more than 2Gb of RAM you have to enable AWE.

http://msdn.microsoft.com/en-us/library/ms190731(SQL.90).aspx