From owner-freebsd-hardware Wed Jun 28 12:23: 7 2000 Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.hcvlny.cv.net (mx1.hcvlny.cv.net [167.206.112.76]) by hub.freebsd.org (Postfix) with ESMTP id 60AA737C31C for ; Wed, 28 Jun 2000 12:22:59 -0700 (PDT) (envelope-from steinyv@skyweb.net) Received: from s1.optonline.net (s1.optonline.net [167.206.112.6]) by mx1.hcvlny.cv.net (8.9.3/8.9.3) with ESMTP id PAA20925 for ; Wed, 28 Jun 2000 15:22:58 -0400 (EDT) Received: from downstairs (d133-103.jcsnnj.optonline.net [24.189.133.103]) by s1.optonline.net (8.9.1/8.9.3) with ESMTP id PAA01128 for ; Wed, 28 Jun 2000 15:22:57 -0400 (EDT) Message-Id: <4.2.0.58.20000628151017.009e92e0@> X-Sender: steinyv@pluto.skyweb.net X-Mailer: QUALCOMM Windows Eudora Pro Version 4.2.0.58 Date: Wed, 28 Jun 2000 15:11:40 -0400 To: freebsd-hardware@freebsd.org From: steinyv Subject: Re: SCSI In-Reply-To: References: <4.2.0.58.20000628145800.009e8b80@> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Ok I got the message loud and clear. Well Im gone on another quest to find a scsi card.......... Ill be back. Thanks At 03:17 PM 6/28/00 , you wrote: >On Wed, 28 Jun 2000, steinyv wrote: > > > I have some regular scsi hard drives and cdrom, could I use these with a > > differential controller?? > >No: > > > >Do *not* mix non-differential or differential devices. Devices have gotten > > >more resilient, but you could certainly fry things that way. > > > > > > At 01:12 PM 6/28/00 , you wrote: > > > > >It's a signal level issue, not a performance issue. Rather than TTL > -5v to 0v > > >at 40ma, it's +5/-5 (IIRC) with micro-electric chair amperage. > > > > > >The only practical effect of using differential is you can run a > *much* longer > > >cable. > > > > > >Do *not* mix non-differential or differential devices. Devices have gotten > > >more resilient, but you could certainly fry things that way. > > > > > >Note that LVD (low voltage differential) is a different thing entirely. > > >I won't go into that- check any one of the HBA or Drive vendor's websites- > > >you'll find overviews of that there (or see http://www.ultra160-scsi.com > > >for Ultra3). > > > > > >On Wed, 28 Jun 2000, steinyv wrote: > > > > > > > Please excuse me, but does a differential scsi card differ from a > regular > > > > one, in what way? Could I use them with FBSD? What should I look > out for? > > > > Thank You gurus > > > > :) > > > > > > > > _________________________________________ > > > > Steiny's Studio > > > > Pachyderm Productions > > > > http://steiny.hypermart.net > > > > > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > > > with "unsubscribe freebsd-hardware" in the body of the message > > > > > > > > > > _________________________________________ > > Steiny's Studio > > Pachyderm Productions > > http://steiny.hypermart.net > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-hardware" in the body of the message > > > > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-hardware" in the body of the message _________________________________________ Steiny's Studio Pachyderm Productions http://steiny.hypermart.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message