From owner-freebsd-scsi Wed Jan 24 00:56:31 1996 Return-Path: owner-freebsd-scsi Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id AAA11207 for freebsd-scsi-outgoing; Wed, 24 Jan 1996 00:56:31 -0800 (PST) Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id AAA11040 Wed, 24 Jan 1996 00:54:25 -0800 (PST) Received: from sax.sax.de by irz301.inf.tu-dresden.de (8.6.12/8.6.12-s1) with ESMTP id JAA20423; Wed, 24 Jan 1996 09:53:11 +0100 Received: by sax.sax.de (8.6.11/8.6.12-s1) with UUCP id JAA00120; Wed, 24 Jan 1996 09:53:11 +0100 Received: (from j@localhost) by uriah.heep.sax.de (8.7.3/8.6.9) id JAA09895; Wed, 24 Jan 1996 09:49:23 +0100 (MET) From: J Wunsch Message-Id: <199601240849.JAA09895@uriah.heep.sax.de> Subject: Re: Adaptic 1522 DAT Phase Errors To: msmith@atrad.adelaide.edu.au (Michael Smith) Date: Wed, 24 Jan 1996 09:49:23 +0100 (MET) Cc: lmcsato@lmc.ericsson.se, msmith@atrad.adelaide.edu.au, freebsd@enteract.com, questions@FreeBSD.ORG, scsi@FreeBSD.ORG Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: <199601240357.OAA25558@genesis.atrad.adelaide.edu.au> from "Michael Smith" at Jan 24, 96 02:27:38 pm X-Phone: +49-351-2012 669 X-Mailer: ELM [version 2.4 PL23] MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk As Michael Smith wrote: > > PIO SCSI controllers like the 1522 are a Bad Idea in general. Get a > busmaster (1542). Note that all 154X B's are known to work, while some very old A's are reported to cause troubles. Mine works however, and i know of at least one more 1542A that does also work fine under FreeBSD. For large transfers, the performance isn't worse than that of a 1542B. The 154X driver in FreeBSD is probably one of the most solid SCSI drivers around in the system. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)