Firewire cable, but not "firewire". Yamaha uses the cable for their own proprietary protocol. Should work with any audio/midi app. > To which I add, looking at all three Yamaha devices. (Newbie alert!) > Aside from the PCI thingy how do they connect to my Mac? Fire wire etc. > What software would I need? What else would I need to get started. > Things are looking up at my house, I now have a dedicated music room in > the house!