From owner-freebsd-current Sun Jul 12 15:30:26 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA20858 for freebsd-current-outgoing; Sun, 12 Jul 1998 15:30:26 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from duey.hs.wolves.k12.mo.us (root@duey.hs.wolves.k12.mo.us [207.160.214.9]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id PAA20837; Sun, 12 Jul 1998 15:30:17 -0700 (PDT) (envelope-from cdillon@wolves.k12.mo.us) Received: from duey.hs.wolves.k12.mo.us (cdillon@duey.hs.wolves.k12.mo.us [207.160.214.9]) by duey.hs.wolves.k12.mo.us (8.8.7/8.8.7) with SMTP id RAA15698; Sun, 12 Jul 1998 17:30:14 -0500 (CDT) (envelope-from cdillon@wolves.k12.mo.us) Date: Sun, 12 Jul 1998 17:30:13 -0500 (CDT) From: Chris Dillon X-Sender: cdillon@duey.hs.wolves.k12.mo.us To: Stefan Esser cc: Julian Elischer , current@FreeBSD.ORG Subject: Re: TESTERS NEEDED: Softupdates looks Very good. In-Reply-To: <19980711105643.41001@mi.uni-koeln.de> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sat, 11 Jul 1998, Stefan Esser wrote: > Don't worry, that's just a precaution taken by the driver code. > There have been SCSI devices that are willing to accept any > data rate offered during negotiation, but actually can't handle > more than 5MHz. These are pre-SCSI-2 drives, which just knew > they are *that* fast, they can handle *any* data rate offered > by the host adapter (which was at most 5MHz at that time ;-) > > The driver won't negotiate data rates beyond 5MHz until the drive > has been identified as a SCSI-2 device, and that's when another > negotiation is started by the driver ... > > Negotiations may be started by both the drive or host adapter > at any time. But except for IBM, most vendors leave it up to > the host system to send the first message (which the driver > does after receiving the result of an INQUIRY command). Ok, makes sense.. I was just wondering. :-) And I guess that last part about IBM drives is a GoodThing? -- Chris Dillon - cdillon@wolves.k12.mo.us - cdillon@inter-linc.net /* FreeBSD: The fastest and most stable server OS on the planet. For Intel x86 and compatibles (SPARC and Alpha under development) (http://www.freebsd.org) */ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message