From owner-freebsd-current Tue Nov 24 08:37:00 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id IAA08842 for freebsd-current-outgoing; Tue, 24 Nov 1998 08:37:00 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from Gatekeeper.Alameda.net (gatekeeper.Alameda.net [207.90.181.2]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id IAA08837 for ; Tue, 24 Nov 1998 08:36:57 -0800 (PST) (envelope-from ulf@Gatekeeper.Alameda.net) Received: by Gatekeeper.Alameda.net (8.8.8/8.8.6) id IAA20102; Tue, 24 Nov 1998 08:37:00 -0800 (PST) Message-ID: <19981124083700.B12951@Alameda.net> Date: Tue, 24 Nov 1998 08:37:00 -0800 From: Ulf Zimmermann To: Ron Klinkien , freebsd-current@FreeBSD.ORG Subject: Re: Adaptec SCSI messages Reply-To: ulf@Alameda.net References: <19981114144915.A244@zappa.demon.nl> <19981117112118.A252@zappa.demon.nl> <19981124011512.B11237@keltia.freenix.fr> <19981124103532.B613@zappa.demon.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.91.1i In-Reply-To: <19981124103532.B613@zappa.demon.nl>; from Ron Klinkien on Tue, Nov 24, 1998 at 10:35:32AM +0100 Organization: Alameda Networks, Inc. X-Operating-System: FreeBSD 2.2.6-STABLE Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tue, Nov 24, 1998 at 10:35:32AM +0100, Ron Klinkien wrote: > > I guess you are right, but i wonder why they have invented Ultra 2 disks > then. Since my disk performed in Single Ended mode exactly the same as > in ULTRA2-LVD mode. > They invented for two reasons: 1.) You can put more drives onto one bus, before running into bus limits (As before said) 2.) LVD = Low Voltage Differential = longer cable lengths possible again. -- Regards, Ulf. --------------------------------------------------------------------- Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-769-2936 Alameda Networks, Inc. | http://www.Alameda.net | Fax#: 510-521-5073 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message