From owner-freebsd-hackers Wed Sep 11 20:22:16 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id UAA27083 for hackers-outgoing; Wed, 11 Sep 1996 20:22:16 -0700 (PDT) Received: from srv1-bsb.GNS.com.br ([200.239.56.1]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id UAA27001 for ; Wed, 11 Sep 1996 20:21:41 -0700 (PDT) Received: (from mail@localhost) by srv1-bsb.GNS.com.br (8.7.5/8.7.5) id AAA00324; Thu, 12 Sep 1996 00:21:04 -0300 (EST) Received: from dl0109-bsb.gns.com.br(200.239.56.109) by srv1-bsb.GNS.com.br via smap (V1.3) id sma000315; Thu Sep 12 00:20:46 1996 Received: by DANIEL.sobral (IBM OS/2 SENDMAIL VERSION 1.3.14/2.12um) id AA0227; Thu, 12 Sep 96 00:16:21 +0300 Message-Id: <9609112116.AA0227@DANIEL.sobral> Date: Thu, 12 Sep 96 0:16:20 +0300 From: "Daniel C. Sobral" Subject: IDE and DMA To: hackers@freefall.freebsd.org Reply-To: e8917523@linf.unb.br In-Reply-To: <199609111828.LAA20070@freefall.freebsd.org> from "owner-hackers-digest@freefall.freebsd.org" at Sep 11 96 11:28 am X-Disclaimer: Klaatu Barada Nikto! X-Mailer: ELM [version 2.3 PL11] for OS/2 Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > From: Terry Lambert > Date: Wed, 11 Sep 1996 11:26:00 -0700 (MST) > Subject: Re: IDE and ASUS P/I-P6NP5 > > > The Pentium Pro ASUS P/I-P6NP5 board claims to support > > onboard IDE (bus master) at 17 MB/s in PIO mode and 22MB/s in > > DMA mode. > > > > How useful is this under FreeBSD-current? Does the IDE driver support > > this? Are there any IDE disk drives allowing for transfer rates > > DMA mode isn't supported AFAIK. > > I think the problem is still that it is impossible to reliably detect > support for the mode without crashing older (WD1007, etc.?) hardware. option??? Not meant as a criticism, nor as a request. I would like to know how easy/difficult it would be to add this as an "option" in the config, and what would be the problems in doing this. Also, please define "crash" in more technical terms. :-) -- Daniel C. Sobral (8-DCS) dcs@gns.com.br e8917523@linf.unb.br