Subject: Serial port on a Personal DS5000/25
To: None <port-pmax@netbsd.org>
From: Bernhard H. Buckel <buckel@wmad95.mathematik.uni-wuerzburg.de>
List: port-pmax
Date: 02/22/1999 13:16:11
Dear mailinglist,

I hooked my Personal DS5000/50 to an old 14.4k modem and it seems to
work just fine - PPP runs without major problems. Now I'm planning to
upgrade to a somewhat more recent V.34 modem. Regarding the manpages I
found from 'man scc':

     Input and output for each line may set to one of following baud rates:
     50, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200,
     38400, or 57600.  Speeds up to 230400 are supported by the chip and the
     motherboard, but speeds higher than 57600 do not work reliably without an
     external clock signal.

Question is, will a V.34 modem overrun the serial port if compression
clicks in? If so, how the !@#$% do I attach an external clock signal
to the serial controller? Any hardware hackers out ther who might
describe this? What is the max. speed a modem has been driven by a
Personal DS?

TIA,
			       Bernhard

-- 
      Unix is like a wigwam: No fences, no gates, apache inside.