Richard Hughes wrote: >My 2.2Gig Toshiba Laptop (not old) shows 31 of these: > >And I can assure you, I haven't got 31 different serial ports! > >What is the cause of this? Kay? Any ideas? > > > I'm guessing CONFIG_SERIAL_8250_NR_UARTS. The 8250 driver seems to allocate as many ports as that no matter how many physical ports are actually found. Rgds Pierre