grant977 DCS max will not put BS on all 4 cores in XP, it will default to core 0. Core 0 is the core that runs your operating system. what I do in set BD to run on core 3 and make sure nuthing els is using core 3. this make my system more stable and gives me 10FPS more. even with XP. Now with my same setup in WIN 7 64 I get 60+ FPS. It is sad that XP can't take advantadge of the cores and ram in the PC's we build.
Your bigist problem is your low mh CPU as BS is a cpu hog.