I may get an old dectalk that fits into an isa slot on a computer. Will this model work with speakup, and the person who I may get it from says something about running it to com port 2, not any others if you hook it up externally. If anyone uses these synths under linux and can tell me how well they work I'd appreciate it, as the keynote gold doesn't appear to be supported yet, and I'd like to have speakup on my desktop.