They were switchable. There are some USB adaptors on Ebay... Dave G4UGM
> -----Original Message----- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Zane Healy > Sent: 10 October 2015 01:18 > To: General Discussion: On-Topic and Off-Topic Posts > <cctalk@classiccmp.org> > Subject: Re: WTT: My Amiga Mouse for your Atari ST Mouse! > > FYI, you used to be able to get a mouse that would work on either Atari or > Amiga. I don't know if you still can. There are people that specialize in selling > Atari gear. > > Zane > > > > On Oct 9, 2015, at 4:30 PM, et...@757.org wrote: > > > Looking for an Atari ST mouse, have an extra Amiga mouse to trade? > > > > Also looking to buy a 520ST power supply to complete a system if anyone > knows of extras. > > > > > > > > -- > > Ethan O'Toole > >