From owner-freebsd-hackers Thu Aug 27 08:13:46 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id IAA23229 for freebsd-hackers-outgoing; Thu, 27 Aug 1998 08:13:46 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from ns.mt.sri.com (sri-gw.MT.net [206.127.105.141]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id IAA23224 for ; Thu, 27 Aug 1998 08:13:45 -0700 (PDT) (envelope-from nate@mt.sri.com) Received: from mt.sri.com (rocky.mt.sri.com [206.127.76.100]) by ns.mt.sri.com (8.8.8/8.8.8) with SMTP id JAA09026; Thu, 27 Aug 1998 09:12:17 -0600 (MDT) (envelope-from nate@rocky.mt.sri.com) Received: by mt.sri.com (SMI-8.6/SMI-SVR4) id JAA08751; Thu, 27 Aug 1998 09:12:16 -0600 Date: Thu, 27 Aug 1998 09:12:16 -0600 Message-Id: <199808271512.JAA08751@mt.sri.com> From: Nate Williams MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: Terry Lambert Cc: wilko@yedi.iaf.nl (Wilko Bulte), joelh@gnu.org, dakott@alpha.delta.edu, hackers@FreeBSD.ORG Subject: Re: Adaptec 1542i Performance on -stable [was Re: SCSI Controller] In-Reply-To: <199808262030.NAA20478@usr02.primenet.com> References: <199808260918.LAA07176@yedi.iaf.nl> <199808262030.NAA20478@usr02.primenet.com> X-Mailer: VM 6.34 under 19.16 "Lille" XEmacs Lucid Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > There is no 1742B. Only a 174x and 174xA (x =[02] for (no)floppy interface). .. > I'm pretty sure that the 1742 controller in my machine with the 50MHz > 486DX (*NOT* DX2), and on which I clock my EISA bus at 50MHz because > the 1742B could handle it, where the 1742A could not, is a 1742B. You're confused. See above. There was no such thing as a 1742B. > I'm also pretty sure the "B" comes from the EISA configuration > capability that I had to read the serial number to the Adaptec people > so they could tell me if the card supported it, whereby I was able to > configure a non-standard translation mode to support larger drives > than would otherwise be possible on a 1742/1742A. That was supported on *all* boards that I'm aware of. At least it was on the 1740 that I had oh so long ago. :) Nate To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message