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Date:      Tue, 16 Jan 1996 09:46:40 -0500 (EST)
From:      Sujal Patel <smpatel@wam.umd.edu>
To:        Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de>
Cc:        FreeBSD hackers <freebsd-hackers@FreeBSD.ORG>
Subject:   Re: Request examples of using outb() in inb()in program.
Message-ID:  <Pine.BSF.3.91.960116094445.6397A-100000@sl-000.sl.cybercomm.net>
In-Reply-To: <199601160049.BAA14557@uriah.heep.sax.de>

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On Tue, 16 Jan 1996, J Wunsch wrote:

> KDENABIO is not the preferred way, it's the traditional way.  It
> requires root priv's (as opposed to /dev/io which is subject to normal
> file access constraints), and it's only available if your kernel does
> have either syscons or pcvt configured.  Both drivers are optional
> however.

Like KDENABIO, the default permissions on /dev/io restrict it to root 
only, which is the way it should be IMHO.


Sujal




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