SUMMARY: Openwindows in monochrome

From: Len Evens (
Date: Tue Nov 12 1991 - 18:29:20 CST

        I had posted a question about getting openwindows working in
the monochrome screen on a Sun 3/110 with a damaged cgfour card and
a grey scale monitor. I got the following response from Tom Olin.

>Date: Tue, 12 Nov 91 12:11:05 EST
>From: adiron!tro@uunet.UU.NET (Tom Olin)
>Message-Id: <>
>Subject: Re: Restricting Openwindows to Monochrome

>Use "xnews -dev /dev/bwtwo#" (or "openwin ..."), where # is the correct number
>for the overlay plane of the cg4. You might have to create the /dev entry with
>mknod. I'm not familiar with the 3/110, but the 3/60 has a monochrome
>framebuffer built into the system board, so the cg4 overlay plane might be
>named bwtwo1 or bwtwo0. You can use "sunview -d /dev/bwtwo#" to experiment.

> Tom Olin uunet!adiron!tro (315) 738-0600 Ext 638
> PAR Technology Corporation * 220 Seneca Turnpike * New Hartford NY 13413-1191

        Sure enough

openwin -dev /dev/bwtwo0

worked. (Actually, I thought I had tried this, but I think I tried
putting the option somewhere inside the file openwin rather than passing
it as an argument, and I must have gotten ensnarled in the syntax of
the shell file.)

Leonard Evens 708-491-5537
Dept. of Mathematics, Northwestern Univ., Evanston, IL 60208

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