At 08:45 PM 3/21/02 -0800, you wrote: >Hello, > > How hard woud it be to hack the calc internally to utilize the remaning >100 or so ports, and put an internal speaker or something in? Linkport games >with sound, perhaps. I don't think you could drive a speaker with the voltage off the chip. Maybe some kind small amplifier (little one-ship opamp or something), b ut b atteries would b e an issue.