Because they're (ab)using serial chips with small FIFO buffers for it.
-- Matthias Urlichs | noris network GmbH | smurf@noris.de The quote was selected randomly. Really. | http://www.noris.de/~smurf/-- Seen on a T-Shirt: "Get even. Live long enough to be a problem to your kids."- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/