*BSD News Article 36302


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From: jtsilla@ccs.neu.edu (James Tsillas)
Newsgroups: comp.os.386bsd.questions
Subject: Re: VESA local bus IDE controller with FreeBSD?
Date: 24 Sep 1994 15:06:14 GMT
Organization: Northeastern University
Lines: 39
Message-ID: <JTSILLA.94Sep24110614@atlas.ccs.neu.edu>
References: <3618mr$hiq@ucthpx.uct.ac.za>
NNTP-Posting-Host: atlas.ccs.neu.edu
In-reply-to: smarq@ucthpx.uct.ac.za's message of 24 Sep 1994 15:14:03 +0200

In article <3618mr$hiq@ucthpx.uct.ac.za> smarq@ucthpx.uct.ac.za (S Marquard) writes:

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   From: smarq@ucthpx.uct.ac.za (S Marquard)
   Newsgroups: comp.os.386bsd.questions
   Date: 24 Sep 1994 15:14:03 +0200
   Organization: University of Cape Town
   Lines: 9
   NNTP-Posting-Host: ucthpx.uct.ac.za
   Summary: Do they work?
   Keywords: IDE FreeBSD h/drive bus vesa

   Is it possible to use a VESA local bus IDE controller with FreeBSD?

Yes, I have been using one.

   If so, will such a controller produce faster throughput or anything
   else advantageous?

Not unless you can take advantage of certain special functions which
most VL IDE controllers support. THis would require changes to the BSD
driver. The one I use supports some sort of synchronous burst mode and
comes which a DOS driver to take advantage of it. It also depends on the
speed of your drive and the speed of  your CPU.

The other advantage is that the controller I bought also can be jumpered
as the secondary controller. This allowed me to use two controllers and
four drives.


   Stephen Marquard
   scm@silver.wcape.school.za (preferred)
   smarq@ucthpx.uct.ac.za

--

	* Jim Tsillas - Cascade Communications, Inc.           *
	* "He is after me. Jim is after him."                  *
	*      - Hop on Pop, Dr. Seuss                         *