Subject: Re: DS3100 serial ports
To: Jonathan Stone <>
From: Ted Lemon <>
List: port-pmax
Date: 02/10/1995 08:14:26
> If one is *really* dedicated, there is a solution.  If an 11/750 can
> keep up with a second unibus full of DZ-11s, a paltry R2000A should be
> able to keep up with one DZ-11.  Use the 4bsd solution: pseudo-dma, in
> hand-tuned assembler, jammed into the interrupt handler.  (Thank
> goodness GCC has better support for this than PCC did.)  This doesn't
> address bit-clocking-fuzz problems, though.

Yup, that's what I had in mind when I suggested that it was possible.
I'm fairly certain that the serial port can do 19200 if the driver is
heavily tuned.

Ted Lemon
+1 415 477 5045

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