From owner-freebsd-hardware Thu Aug 8 22:04:32 1996 Return-Path: owner-hardware Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id WAA07636 for hardware-outgoing; Thu, 8 Aug 1996 22:04:32 -0700 (PDT) Received: from who.cdrom.com (who.cdrom.com [204.216.27.3]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id WAA07596 for ; Thu, 8 Aug 1996 22:04:28 -0700 (PDT) Received: from GndRsh.aac.dev.com (GndRsh.aac.dev.com [198.145.92.241]) by who.cdrom.com (8.7.5/8.6.11) with SMTP id UAA02700 for ; Thu, 8 Aug 1996 20:07:47 -0700 (PDT) Received: (from rgrimes@localhost) by GndRsh.aac.dev.com (8.6.12/8.6.12) id UAA07949; Thu, 8 Aug 1996 20:03:30 -0700 From: "Rodney W. Grimes" Message-Id: <199608090303.UAA07949@GndRsh.aac.dev.com> Subject: Re: IDE or SCSI if only one drive To: frankd@yoda.fdt.net (Frank Seltzer) Date: Thu, 8 Aug 1996 20:03:29 -0700 (PDT) Cc: scott@statsci.com, freebsd-hardware@freebsd.org In-Reply-To: from Frank Seltzer at "Aug 8, 96 08:59:21 pm" X-Mailer: ELM [version 2.4ME+ PL11 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hardware@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > On Thu, 8 Aug 1996, Rodney W. Grimes wrote: > > > I have qualified the MC4421 for use in production AAC systems, it works > > just fine with 2.1.5 and the aha2940, as well as the NCR53C810. > > Do you get the message: > > ahc0:A:2 refuses syncronous negotiation. Using asynchronous transfers > > during boot? No. The drive properly negotiates a 10Mhz sync rate. Note there are 2 part numbers associated with this drive model, chech it out on http://www.micropolis.com. I am using the 8.8mS version of the drive, perhaps you have the 9.8mS version?? -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Reliable computers for FreeBSD