From owner-freebsd-hackers@FreeBSD.ORG Thu Jul 31 10:26:56 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 EBD2E37B404 for ; Thu, 31 Jul 2003 10:26:56 -0700 (PDT) Received: from mail1.co.ru (mail1.co.ru [194.85.128.29]) by mx1.FreeBSD.org (Postfix) with ESMTP id 89A5C43FCB for ; Thu, 31 Jul 2003 10:26:55 -0700 (PDT) (envelope-from freebsd1@centrum.cz) Received: from mailhub.co.ru ([194.85.128.15] verified) by mail1.co.ru (CommuniGate Pro SMTP 4.0.6) with ESMTP id 32476919 for freebsd-hackers@freebsd.org; Thu, 31 Jul 2003 21:26:54 +0400 Received: from 195.16.34.26 (n3-26.dialup.co.ru [195.16.34.26]) by mailhub.co.ru (8.12.9/8.11.0) with ESMTP id h6VHQpwQ005864 for ; Thu, 31 Jul 2003 21:26:52 +0400 (MSD) Date: Thu, 31 Jul 2003 21:26:47 +0400 From: Buckie X-Mailer: The Bat! (v1.62r) X-Priority: 3 (Normal) Message-ID: <1948347781.20030731212647@centrum.cz> To: freebsd-hackers@freebsd.org In-Reply-To: <20030731125301.N85113@alpha.yumyumyum.org> References: <200307311545.h6VFjOTp098979@spider.deepcore.dk> <20030731125301.N85113@alpha.yumyumyum.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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 Reply-To: Buckie 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 17:26:57 -0000 Wow. But still, can it be that something bottlenecks somewhere so that I can't get these loverly speeds? Can I measure pci performance as well? Would be cool to understand what doesn't allow this system to use the 133 to its max... Z >> > Guess I just didn't look hard enough or in the right place. I only spent a >> > minute or 2 on it, but yeah ATA drives don't tell you that sort of thing, >> > they say stuff like "ATA133 for a max transfer rate of 133 MB/sec *" then >> > at the bottom the * says something like "133 MB/sec burst rate from drive >> > to controller" or something similar. But I did try fairly hard to find >> > specs on our Seagate drives and couldn't find a hard number that told what >> > the maximum read and write speeds were. >> >> Thats maybe true for some drives, but generally they state this info >> in their docs, for the Diamond 9+ it took me < 10 secs to find the >> below transfer speeds, I did have the PDF handy though :) >> >> Disk to Read Once a 236Mb/sec 236Mb/sec 236Mb/sec 236Mb/sec >> Revolution mminimum minimum minimum minimum >> >> 433Mb/sec 433Mb/sec 433Mb/sec 433Mb/sec >> maximum maximum maximum maximum >> >> Disk to Read 257Mb/sec 257Mb/sec 257Mb/sec 257Mb/sec >> Instantaneously minimum minimum minimum minimum >> >> 472Mb/sec 472Mb/sec 472Mb/sec 472Mb/sec >> maximum maximum maximum maximum >> KC> OK you win :-P I just don't know where to look I guess. KC> Ken KC> _______________________________________________ KC> freebsd-hackers@freebsd.org mailing list KC> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers KC> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"