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Wierd USB adaptor issue

shaggyshags

Junior Member
Hello all,

I am installing Mac minis in a Kiosk environment and have ran into an issue with PS/2 - USB adapters. Here is the setup, The keyboard and integrated trackball that are installed in this exhibit are PS/2 and used to run G4 cubes. Since installing the Mac MIni if I have both the keyboard and mouse plugged into the adator only one will work. When i unplug the keyboad from the adaptor the mouse starts to work and vise versa.

i hope that makes sense, really can't explain it any better. My thought is that the keyboard/mouse is USB 1.1 and the Mac MIni is USB 2 but should it not be backward compatible? i have switched adaptors (Benkin) and there is no difference.

If anyone can give me the reason that would point me in the right direction to fix this.
 
I think I am have found the issue. Since I cannot have both the mouse ps/2 and the keyboard ps/2 plugged in at the sametime it points to a voltage issue. I am going to remove the converter and try just straight adaptors instead.

Thanks for no ideas.
 
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