From owner-freebsd-usb@FreeBSD.ORG Mon Sep 19 22:03:56 2005 Return-Path: X-Original-To: freebsd-usb@freebsd.org Delivered-To: freebsd-usb@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B732316A41F for ; Mon, 19 Sep 2005 22:03:56 +0000 (GMT) (envelope-from chrisric@routemaster.net) Received: from spunky2.routemaster.net (ppp20-11.lns2.syd7.internode.on.net [59.167.20.11]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2BF2343D68 for ; Mon, 19 Sep 2005 22:03:47 +0000 (GMT) (envelope-from chrisric@routemaster.net) Received: from gir.routemaster.net (gir.routemaster.net [10.10.10.1]) by spunky2.routemaster.net (8.13.4/8.13.4) with ESMTP id j8JM3RRt014385; Tue, 20 Sep 2005 08:03:28 +1000 (EST) (envelope-from chrisric@routemaster.net) MIME-Version: 1.0 Content-class: urn:content-classes:message X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Date: Tue, 20 Sep 2005 08:02:04 +1000 Message-ID: <0C9AA1AB019C4A44AE29659CF2BB203202F19C@gir.routemaster.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: USB 2.0 external hard drive only 1.000MB/s transfers Thread-Index: AcW9KRQnFQ1OT0aDTfapEvScjavVGwAOwbqV From: "Chris Richards" To: Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-usb@freebsd.org Subject: RE: USB 2.0 external hard drive only 1.000MB/s transfers X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Sep 2005 22:03:56 -0000 Hi, =20 The requested output is below and I understand what you are saying about = the speed of a drive vs USB 2.0. I have plugged the drive into Windows = XP and transferred a file to it from another computer over my 100Mb LAN = and it sits at around 9,000KB's so it is definitely capable of going = faster than it currently is on FreeBSD. =20 Cheers. =20 -Chris =20 -------------------------- root@spunky2 :~# usbdevs -v Controller /dev/usb0: addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), = VIA(0x0000), rev 1.00 port 1 powered port 2 powered Controller /dev/usb1: addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), = VIA(0x0000), rev 1.00 port 1 powered port 2 addr 2: full speed, self powered, config 1, USB TO IDE(0x0702), = vendor 0x05e3(0x05e3), rev 0.33 Controller /dev/usb2: addr 1: high speed, self powered, config 1, EHCI root hub(0x0000), = VIA(0x0000), rev 1.00 port 1 powered port 2 powered port 3 powered port 4 powered Controller /dev/usb3: addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), = Intel(0x0000), rev 1.00 port 1 powered port 2 addr 2: full speed, power 160 mA, config 1, EZ USB/Ethernet = Converter(0x0200), SMC, Inc(0x0707), rev 1.01 ________________________________ From: Bernd Walter [mailto:ticso@cicely12.cicely.de] Sent: Tue 20/09/2005 12:48 AM To: Chris Richards Cc: hselasky@c2i.net; freebsd-usb@freebsd.org Subject: Re: USB 2.0 external hard drive only 1.000MB/s transfers On Mon, Sep 19, 2005 at 08:17:36AM +1000, Chris Richards wrote: > Hi, >=20 > Here is the output with the different block size. >=20 > root@spunky2:~$ dd if=3D/dev/da0 of=3D/dev/null bs=3D64000 > ^C4262+0 records in > 4262+0 records out > 272768000 bytes transferred in 269.048179 secs (1013826 bytes/sec) What does usbdevs -v say? > From: owner-freebsd-usb@freebsd.org on behalf of Hans Petter Selasky > Sent: Sun 18/09/2005 9:05 PM > To: freebsd-usb@freebsd.org > Subject: Re: USB 2.0 external hard drive only 1.000MB/s transfers > > On Friday 16 September 2005 08:45, Hans Petter Selasky wrote: > > On Thursday 15 September 2005 14:01, Chris Richards wrote: > > > Hi, > > > > > > I bought a USB 2.0 external hard drive and USB 2.0 PCI card to use = for > > > backups on my FreeBSD box but the drive is recognised as only = being able > > > to do 1.000MB/s transfers. Obviously a USB 2.0 drive should be = able to > > > transfer data a lot faster... I have checked my config and can't = see any No - A high-speed drive should be able to transfer faster, but USB2.0 just means compliance with USB2.0 specs and not that it is high-speed. It is completely OK for a USB2.0 drive to be just full-speed. That said, even with a high-speed drive it finally can still be a slow one. -- B.Walter BWCT http://www.bwct.de bernd@bwct.de info@bwct.de