Re: Modems

[irsman@iastate.edu (Ian Schmidt)]

In article <2n0oqn$1uh@edwin.bga.com> khym@bga.com (Khym Mahn) writes:

>BTW, I dunno if this would actually work or not (it kinda seems like
>if it works, someone would have already done it :-), but it might be
>possible to get the serial ports going at 115.2Kbaud and higher...
>normally the 3.6864 MHz serial clock is divided down by 16 before
>being used to drive the baud rate generator. However, you can also use
>the clock as-is, although the SCC docs say it's only for synchronous
>communication. But if it does really work for asynchronous stuff, the
>maximum baud rate would be 921600. Think of the interrupts :-)

I did an experiment once to see how fast the GS could field interrupts (I used
the Ensoniq as a nice variable-speed source of the critters).  It topped out
at around 5500 per second.  Not too bad :)

-- 
Ian Schmidt / irsman@iastate.edu / irsman@cs.iastate.edu
"Though we know that time has wings, we're the ones that have to fly" -Peart