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Date:      Mon, 23 Mar 1998 18:31:37 -0800 (PST)
From:      Simon Shapiro <shimon@simon-shapiro.org>
To:        Tom <tom@sdf.com>
Cc:        hackers@FreeBSD.ORG, Warner Losh <imp@village.org>
Subject:   Re: Serial Keyboards
Message-ID:  <XFMail.980323183137.shimon@simon-shapiro.org>
In-Reply-To: <Pine.BSF.3.95q.980323173354.17474A-100000@misery.sdf.com>

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On 24-Mar-98 Tom wrote:
> 
> On Mon, 23 Mar 1998, Warner Losh wrote:
> 
>> 
>> OK.  I've been looking at ways to get a serial keyboard that I picked
> 
>   What is a serial keyboard?  What is it for?

All keyboards I have seen in the last N years are serial. Most of them are
either 1200 or 9600 boaud, no parity, 8bit data, 1.5 bits start/stop.

What our correspondent intends to say is RS-232C (?) keyboard.  PC
keyboards are TTL level only.

> ...
>> Looking at syscons.c, pcvt/* and sio.c makes me think that this won't
>> be easy or simple to do, but that it is possible to do it with enough
>> hacking....
> 
>   Well, since it is serial, working with the serial console code is
> probably closest.

Except that he probably would like to have stdout and stderr (and
console?) still go to the VGA board. 

Why would anyone want that, is a good question.  A NEW PC KB is $15.

Simon
 

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