From owner-freebsd-hackers  Thu Nov 16 00:04:46 1995
Return-Path: owner-hackers
Received: (from root@localhost)
          by freefall.freebsd.org (8.6.12/8.6.6) id AAA08223
          for hackers-outgoing; Thu, 16 Nov 1995 00:04:46 -0800
Received: from rah.star-gate.com (rah.star-gate.com [204.188.121.18])
          by freefall.freebsd.org (8.6.12/8.6.6) with ESMTP id AAA08208
          for <hackers@freebsd.org>; Thu, 16 Nov 1995 00:04:40 -0800
Received: from rah.star-gate.com (localhost [127.0.0.1]) by rah.star-gate.com (8.6.12/8.6.9) with ESMTP id AAA01067; Thu, 16 Nov 1995 00:02:02 -0800
Message-Id: <199511160802.AAA01067@rah.star-gate.com>
X-Mailer: exmh version 1.6.2 7/18/95
To: koshy@blr.novell.com
cc: hackers@freebsd.org
Subject: Re: IDE drives using DMA? 
In-reply-to: Your message of "Thu, 16 Nov 1995 11:02:00 +0700."
             <30aacced0.2096@novidc.blr.novell.com> 
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Date: Thu, 16 Nov 1995 00:02:01 -0800
From: "Amancio Hasty Jr." <hasty@rah.star-gate.com>
Sender: owner-hackers@freebsd.org
Precedence: bulk


Oh, boy here we go again... 
Koshy, there has been a few nice threads on this subject which can
be researched thru :
http://www.freebsd.org/search.html

	Have fun,
	Amancio

>>> koshy@blr.novell.com said:
 > Hi,
 > 
 > I chanced upon a book about ATA drives and noted there that IDE can
 > optionally support DMA transfers in addition to the regular programmed
 > IO.
 > 
 > Does anyone have any experience with this?  Are such configurations
 > common?  Any catches or caveats that hinder DMA use with IDE drives?
 > 
 > Thanks,
 > Koshy
 >