auto lock mouse, the reosen you do this is because to exit you press alt+escape. (or alt+tab) if you dont auto lock mouse you will often find yourself unable to renter the game. also some games just wont accept your mouse without you checking this box first. double buffering you use for full screen mode. i dont use full screen when im online. the thing has crashed a few times in fullscreen when i have had windows or my firewall give me a message. if you are using full screen its cool to use the close dosbox on game exit tab. also once u have tested the game (though it usually works fine i tend to do it at the beggining) set up your graphics card ati radeon is direct draw, so i guess the other lot are open gl
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