> | Easy, use the fast interrupt hooks that are still present in the
> | i386 specific kernel files. My own driver using those hooks did 115200
> | bps zmodem transfers on a null modem cable using 16450's without dropping
> | a bit. If there's enough interest I'll update the driver to -current.
> 
> Yes, please!  :-)  Somewhere between 11 November and 1 January, a change
> was made that caused my 25MHz i386 with 16550s to start getting lots of
> silo overflows receiving data from a 14400 modem...

Is there a reason why these changes can't be made official and integrated to
the source tree?  I'm sure there are lots of users who need fast serial
ports with NetBSD.

  -jm