From owner-freebsd-hackers@FreeBSD.ORG Thu Jul 31 08:04:08 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9595A37B401 for ; Thu, 31 Jul 2003 08:04:08 -0700 (PDT) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id E0B6C43FAF for ; Thu, 31 Jul 2003 08:04:07 -0700 (PDT) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.12.9/8.12.9) id h6VF45pL020219; Thu, 31 Jul 2003 10:04:05 -0500 (CDT) (envelope-from dan) Date: Thu, 31 Jul 2003 10:04:04 -0500 From: Dan Nelson To: Kenneth Culver Message-ID: <20030731150401.GB57250@dan.emsphone.com> References: <200307311219.h6VCJLVG053962@spider.deepcore.dk> <1765441567.20030731171147@centrum.cz> <20030731145115.GA57250@dan.emsphone.com> <20030731105150.I85113@alpha.yumyumyum.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030731105150.I85113@alpha.yumyumyum.org> X-OS: FreeBSD 5.1-CURRENT X-message-flag: Outlook Error User-Agent: Mutt/1.5.4i cc: freebsd-hackers@freebsd.org cc: Soeren Schmidt cc: Buckie Subject: Re: Ultra ATA card doesn't seem to provide Ultra speeds. X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Jul 2003 15:04:08 -0000 In the last episode (Jul 31), Kenneth Culver said: > > What I find fascinating is that Maxtor's site never actually tells you > > the true throughput of that disk anywhere. > > http://www.maxtor.com/en/products/ata/desktop/diamondmax_plus_9/ > > Almost none of the hard disk manufacturers do. In fact I've never seen > "true throughput" numbers from ANY manufacturer. Really? It must be an ATA thing, since I'm not sure I've ever seen a SCSI drive specs page without them (even Maxtor) http://www.maxtor.com/en/products/scsi/atlas_10k_family/atlas_10k_iv/index.htm "maximum sustained data transfer rate up to 72MB/sec." http://www.seagate.com/cda/products/discsales/enterprise/family/0,1086,530,00.html Lists not only sustained transfer rate, but tells you the center and edge platter speed range http://ssddom01.hgst.com/tech/techlib.nsf/techdocs/966AE18147C20C8587256BF100656F41/$file/HGSTUltrastar146Z10.PDF Also lists center/edge sustained speeds -- Dan Nelson dnelson@allantgroup.com