Question : Problem: CPU performance optimized for I/O or Memory?

Hi, I have a HP ML350 G3 which is being rebuilt as a main win2k3 DC and fileserver.

In the bios of the server is the following option.

CPU performance optimized for i/o or memory

Which is best? I/O or Memory considering that its primary role is a file server.

Answer : Problem: CPU performance optimized for I/O or Memory?

Performance Options for a file server should be Background Services and System Cache