Descent3 on Win7x64.
I play with mouse+keyboard in mouselook-mode, and have finally found the commandline settings for changing mouse sensitivity, which is fine.
The problem is, that trying to turn or move by mouse in the game, it will turn/move fast, if I move the mouse slowly, but if I move the mouse very fast, the crosshair, will only move very little. Some sort of inverse mouse accelleration. How do I fix this, so I can finally start playing this old classic? Currently it is unplayable. All acc. disabled in windows and mousedriver.
(also tried the commanline setting for directinput and wingman)

Do you by chance have a logitech mouse? I have mx518, and it has the negative acceleration problem in a lot of games, some much more obvious than others.

Some other games where the problem is obvious for me: Descent 1, Mass Effect, Rogue Trooper, Wolfenstein 3D.
In many other games I can only detect it by slowly moving the mouse away and then quickly back. In those cases I'm guessing it's caused by the fact that I don't use a mouse pad. Either way, those cases aren't a problem gameplaywise, unlike the games I mentioned above.