In message <Pine.NEB.3.96.990507150721.12899B-100000@cavalier.Stanford.EDU>,
Bob  Lantz writes:

>On Fri, 7 May 1999, Michael L. Hitch wrote:
>
>> > Problem i had: No chance to reposition the windows, jumping cursor (but on
>ly
>> > with pressed button),
>> > 
>> > configuration: 1.4 beta, DecStation 5000/200, PMAGB-B, diskless.
>> 
>>   This could also be caused if the tty devices for the keyboard/mouse are
>> present in ttys.  I seem to recall that the serial settings get changed
>> when the system reboots.
>
>This is interesting. Right now it looks like the mouse and keyboard lines
>are commented out in /etc/ttys, but maybe something bad like that is going
>on. Right now all the gettys are switched off anyway, so it shouldn't
>make any difference, should it?? Anyway, maybe I will try commenting out
>those other lines in case the serial devices are somehow interfering with
>the keyboard and mouse. I am definitely seeing the jumping cursor problem
>when you press a button!! Ugh,
>
>Bob
>
>
>ttya    "/usr/libexec/getty std.9600"   unknown off secure      "2nd comm
>port"
>##ttyb  "/usr/libexec/getty std.9600"   unknown off secure      "mouse"
>ttyc    "/usr/libexec/getty std.9600"   unknown off secure      "1st comm
>port"
>##ttyd  "/usr/libexec/getty std.9600"   unknown off secure      "keyboard"
>#

These entries are the right ones for an ioasic-based machine with
Zilog z8530 (scc) serial chips, like the 5000/260. On a 5000/200, you
the ttyD?  entries are correct. If ttyD0 and D1 are present, comment
them out.  

Which machine do you have again?