From owner-freebsd-questions Tue Jun 26 2:29:22 2001 Delivered-To: freebsd-questions@freebsd.org Received: from mail.freebsd-corp-net-guide.com (mail.freebsd-corp-net-guide.com [206.29.169.15]) by hub.freebsd.org (Postfix) with ESMTP id 3F61237B401 for ; Tue, 26 Jun 2001 02:29:18 -0700 (PDT) (envelope-from tedm@toybox.placo.com) Received: from tedm.placo.com (nat-rtr.freebsd-corp-net-guide.com [206.29.168.154]) by mail.freebsd-corp-net-guide.com (8.11.1/8.11.1) with SMTP id f5Q9QWl03658; Tue, 26 Jun 2001 02:26:33 -0700 (PDT) (envelope-from tedm@toybox.placo.com) From: "Ted Mittelstaedt" To: "Linh Pham" , "Jason Stewart" Cc: , "j mckitrick" , Subject: RE: which is faster zip drive under FreeBSD: usb or parallel? Date: Tue, 26 Jun 2001 02:26:32 -0700 Message-ID: <001701c0fe22$164f1ac0$1401a8c0@tedm.placo.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook 8.5, Build 4.71.2173.0 In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3155.0 Importance: Normal Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG You know those SCSI zip drives from IOMEGA are about the crappiest SCSI implementation that I've ever seen. Last I checked they only supported async and didn't support disconnection so your SCSI bus is stuffed while the drive is doing it's thing. But I can assure anyone that the SCSI zip drives are much, much faster than the parallel port ones. Ted Mittelstaedt tedm@toybox.placo.com Author of: The FreeBSD Corporate Networker's Guide Book website: http://www.freebsd-corp-net-guide.com >-----Original Message----- >From: owner-freebsd-questions@FreeBSD.ORG >[mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Linh Pham >Sent: Monday, June 25, 2001 11:31 AM >To: Jason Stewart >Cc: anderson@centtech.com; j mckitrick; freebsd-questions@FreeBSD.ORG >Subject: Re: which is faster zip drive under FreeBSD: usb or parallel? > > >On 2001-06-25, Jason Stewart scribbled: > ># Actually, in practice, parallel port in ECP mode can be a bit faster than ># USB. USB has a maximum throughput of 1.5 megabytes per second (900kb/SEC ># for one device), Parallel port does about 1.2 megabytes per sec. The only ># way that USB can utilize the full 1.5 MegaBytes/Sec is if you >have multiple ># USB devices. If you only have a single device parallel port can >be faster. > >Why not go SCSI ;-) > >-- >Linh Pham >[lplist@closedsrc.org] > >// 404b - Brain not found > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message