Performance boost dedicated server


i have game servers and i like to know how i can up performance on my dedicated server for 1000fps. I know its done through Kvm i dont know how to log in it etc…

specs: 1x Intel Xeon Lynnfield x3460 - 2.8 GHz 500 GB SATAII 6 GB DDR3 ECC 6,000 GB

os: windows standard edition 2008 R2