Chuck Guzis wrote: > On 6 Aug 2008 at 15:10, Sridhar Ayengar wrote: > >> The Model M came out *waay* after the PC. The 84-key is the one for the >> PC. I don't think the Model M is even compatible with the PC. > > PC AT 5170, yes--PC 5150, no--I tried it. Different protocol. Even on the AT, the protocol works, but you need a cable adapter. Peace... Sridhar