Maximum memory supported by SQL 2000: http://msdn.microsoft.com/en-us/library/aa933149%28v=sql.80%29.aspx
It is dependent on the operating system and SQL edition, ranging from 2 GB up to 64 GB.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability