Tweak3D has posted another Windows 2000 guide. Here a clip:

There are a few other things you can do to try to improve sketchy game performance under Win2k. If the game has any type of autoexec file, you could try tweaking that to improve performance -- or, if you can get in touch with their technical support, they may be able to tell you of some kind of game setting that you can use to fix whatever problems you are currently having. Sometimes it isn´t even the fault of the OS itself. If you try running the game under Win9x and it is still pretty finicky, the problem may very well be with the game and have nothing to do with the OS it is running on. Of course, if you are just experiencing a lot more hard drive read/writes than within Win9x, it is because the OS needs more RAM. 128 MB is a must to run smoothly, and many times you will find that 192+ MB will serve you much better.

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