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Originally Posted by paulmac
Think of it like old school mice that had a ball. The ball rolled in all directions and the motion was picked up by sensors that transmited this so that the pointer moved accross the screen in any direction. If you look in the 8100 forum you will see details on how to remove the trackball with pictures. You will clearly see that it is clearly a ball, and with it out you can see the sensors, lights etc that it works with in the pictures.
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Exactly, its an actual ball floating in a socket like the old mice with balls. I thought it was static at first until I started rolling it really slowly and can see that the ball actually rolls. I'd be very interseted in what kind of mechanism this guy has, maybe its a preproduction model that never made it to retail version. But after that, LETS GET BACK ON TOPIC!
