what speed is given to the line in the /etc/ttys?
you could use the ioctl directly to change the speed, or use something
like cu or kermit to set the speed.. the 3000/300 has the same zilog uart
that the other 3000's (and the DS5000/240) have. 57600 is no sweat for
those. 

isildur

On Mon, 27 Mar 2000, Paul Mather wrote:

> Does anyone know if it is possible to drive the serial port of the
> DEC3000/300 at a speed greater than 9600?  I just got a US Robotics
> Sportster 33.6 Faxmodem to upgrade the old, unreliable 9600 NoName
> external I'd been borrowing up to now.  Disappointingly, however, I seem
> to be getting about the same speed as before, making me suspicious that
> my DEC3000/300 is still driving the serial port at 9600.  (The modem is
> plugged into the serial port used by the serial console; I switch cables
> after booting, and the console is set to "off" in /etc/ttys.)
> 
> I have the speed set to 57600 in my /etc/ppp/options file, but ping
> times indicate roughly the same throughput as the previous modem (driven
> off my DECstation 3100 running NetBSD/pmax 1.4.1-release, whose serial
> port can't manage more than 9600).
> 
> Any tips on driving the modem faster?  I am running NetBSD/alpha 1.4V
> (from a recently-SUPped -current).
> 
> Help and/or hints/tips gratefully appreciated.
> 
> Cheers,
> 
> Paul.
> 
> e-mail: paul@gromit.dlib.vt.edu
> 
> "Without music to decorate it, time is just a bunch of boring production
>  deadlines or dates by which bills must be paid."
>         --- Frank Vincent Zappa
> 
>