From owner-freebsd-mobile@FreeBSD.ORG Sun Oct 31 19:54:24 2004 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0D90916A4CE for ; Sun, 31 Oct 2004 19:54:24 +0000 (GMT) Received: from mail2.numachi.com (mail2.numachi.com [198.175.254.8]) by mx1.FreeBSD.org (Postfix) with SMTP id 6514043D60 for ; Sun, 31 Oct 2004 19:54:23 +0000 (GMT) (envelope-from reichert@numachi.com) Received: (qmail 78816 invoked from network); 31 Oct 2004 19:54:22 -0000 Received: from natto.numachi.com (198.175.254.216) by mail2.numachi.com with SMTP; 31 Oct 2004 19:54:22 -0000 Received: (qmail 70505 invoked by uid 1001); 31 Oct 2004 19:54:22 -0000 Date: Sun, 31 Oct 2004 14:54:22 -0500 From: Brian Reichert To: "Graaf, Rob" Message-ID: <20041031195422.GJ82832@numachi.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.6i cc: "'freebsd-mobile@freebsd.org'" Subject: Re: usb2 under 5.2, how to use ehci X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 31 Oct 2004 19:54:24 -0000 On Sun, Oct 31, 2004 at 06:09:15PM +0100, Graaf, Rob wrote: > Hi, > > i'm running FreeBSD 5.2.1 (installed right-out-of-the-box) > and make use of a LaCie external harddisk which is connected > by usb. > > The usb driver used is uhci, but this supports only usb1, > which is not fast. > > How can I use ehci, which seems to support usb2? I went through this very same firedrill recently: After I put 'device ehci' in my kernal. my laptop-to-LaCie throughput was pretty good: # dd if=/dev/zero of=/new/junk bs=4k count=125000 125000+0 records in 125000+0 records out 512000000 bytes transferred in 58.722096 secs (8719035 bytes/sec) > Anybody can give me directions how replace the ehci? > > Thanks > > Rob de Graaf -- Brian Reichert 37 Crystal Ave. #303 Daytime number: (603) 434-6842 Derry NH 03038-1713 USA BSD admin/developer at large