From owner-freebsd-current Wed Nov 12 11:38:27 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id LAA01006 for current-outgoing; Wed, 12 Nov 1997 11:38:27 -0800 (PST) (envelope-from owner-freebsd-current) Received: from ns.mt.sri.com (SRI-56K-FR.mt.net [206.127.65.42]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id LAA00990 for ; Wed, 12 Nov 1997 11:38:18 -0800 (PST) (envelope-from nate@rocky.mt.sri.com) Received: from rocky.mt.sri.com (rocky.mt.sri.com [206.127.76.100]) by ns.mt.sri.com (8.8.8/8.8.8) with ESMTP id MAA12191; Wed, 12 Nov 1997 12:37:39 -0700 (MST) (envelope-from nate@rocky.mt.sri.com) Received: (from nate@localhost) by rocky.mt.sri.com (8.7.5/8.7.3) id MAA05441; Wed, 12 Nov 1997 12:37:38 -0700 (MST) Date: Wed, 12 Nov 1997 12:37:38 -0700 (MST) Message-Id: <199711121937.MAA05441@rocky.mt.sri.com> From: Nate Williams MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: "Brian N. Handy" Cc: Ollivier Robert , current@freebsd.org Subject: Re: make world time???/ In-Reply-To: References: <19971112083040.26115@keltia.freenix.fr> X-Mailer: VM 6.29 under 19.15 XEmacs Lucid Sender: owner-freebsd-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > >Throw away this. You don't need bounce buffers. > > This is probably the one thing that has never made any sense to me, in > spite of the fabulous missives people have written on it. (And I have > saved a few along the way...this is my own failing.) When do I need > this? When you have an ISA machine with a DMA bus-mastering controller (the adaptec 1542B), and more than 16MB of memory. Other than some very *minor* instances of bogus hardware, that's it. If I had more memory to put into my box at home I'd need bounce buffers since it fits the bill, but it's only got 16MB of memory in it. Nate