From owner-freebsd-hackers Wed May 21 04:12:30 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id EAA04579 for hackers-outgoing; Wed, 21 May 1997 04:12:30 -0700 (PDT) Received: from labinfo.iet.unipi.it (labinfo.iet.unipi.it [131.114.9.5]) by hub.freebsd.org (8.8.5/8.8.5) with SMTP id EAA04568 for ; Wed, 21 May 1997 04:12:17 -0700 (PDT) Received: from localhost (luigi@localhost) by labinfo.iet.unipi.it (8.6.5/8.6.5) id MAA07843; Wed, 21 May 1997 12:30:40 +0200 From: Luigi Rizzo Message-Id: <199705211030.MAA07843@labinfo.iet.unipi.it> Subject: Re: DMA for IDE drives ? To: dg@root.com Date: Wed, 21 May 1997 12:30:40 +0200 (MET DST) Cc: msmith@atrad.adelaide.edu.au, hackers@FreeBSD.ORG In-Reply-To: <199705211055.DAA17279@implode.root.com> from "David Greenman" at May 21, 97 03:55:07 am X-Mailer: ELM [version 2.4 PL23] Content-Type: text Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > >DMA support for at least the Intel Triton chipset was added some time > >back, but never integrated with the 'wd' driver. IIRC, DavidG did it. > > It was John Dyson, but the code had bugs and only worked on the Triton > chipset. all code has bugs :) is there a copy somewhere just to have an idea what it looks like ? On my motherboard (ASUS) I have the i82371SB PCI-IDE bridge and the specs are available at the intel site. Thanks Luigi