Hi

i need suggestions for my new srever

Server:
Intel Dual Core Dual Xeon Dempsey 5050
4 x 3.0GHz Processors with HT
4 x 2MB Cache
Ram: 2 GB FB-DIMM Registered 667
2 x 73GB 10k RPM SA-SCSI

the server contain 2 big website
1st forum with 40000 members and 400 - 500 members online
2nd only for downlaod ( 1500 GB /m )

need Optimisation for my.cnf httpd.conf & php.ini