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On Fri, 20 May 1994, Antti Kilpinen wrote: > Hi! > > I have tested several mouses (yes, the TrackPoint is great) on both the > TP750 and TP350 series. It appears that there is something in the 750s > design that makes some mouse designs incompatible. The problem appears when > the mouse button is pressed. TP750 respondes to the press only randomly. A > double click is really hard to produce. The following mouses has been tested > > Mouse TP750 (several units) TP350(several units) > Logitech Pilot works works > Logitech MouseMan don't work works > IBM M96F9275 don't work works (logitech design i > think) > > The apparent difference between the twon logitech mouses is that Pilot is > rated as 5V 25mA whereas mouseman is 12V 10mA. Can this be the reason or is > this yet > another design flaw in the 750. > > Should we generate a TP750 hardware bug list. > Antti Kilpinen, Ph.D (Chem.Eng.) > Institute for Advanced Management Systems Research > Abo Akademi University > DataCity > FIN-20520 Turku > > I have found the same problem. Better results are achieved if the PS/2 port is used. I have been unable to get any mouse to operate through the serial port. I have tried various settings and experimentation with the mousedrv.ini file with 3 different Logitech rodents with so-so results. Yes, I think a bug list might be in order, perhaps as a part of the FAQ. Tim Kary