From owner-freebsd-acpi@FreeBSD.ORG Mon Dec 3 07:31:06 2007 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 85F4C16A417 for ; Mon, 3 Dec 2007 07:31:06 +0000 (UTC) (envelope-from llevier-lists@argosnet.com) Received: from mx.levier.org (ns.argosnet.com [213.251.139.26]) by mx1.freebsd.org (Postfix) with ESMTP id 61FD613C459 for ; Mon, 3 Dec 2007 07:31:06 +0000 (UTC) (envelope-from llevier-lists@argosnet.com) Received: from localhost (ns [213.251.139.26]) by mx.levier.org (Postfix) with ESMTP id 69FD8267E87; Mon, 3 Dec 2007 08:31:07 +0100 (CET) X-Virus-Scanned: amavisd-new at argosnet.com Received: from mx.levier.org ([213.251.139.26]) by localhost (ns.levier.org [213.251.139.26]) (amavisd-new, port 10024) with ESMTP id 9XqS4owjE-xV; Mon, 3 Dec 2007 08:31:02 +0100 (CET) Received: from Osgiliath.argosnet.com (tirion.argosnet.com [82.224.1.141]) by mx.levier.org (Postfix) with ESMTP id B517C267E14; Mon, 3 Dec 2007 08:31:01 +0100 (CET) X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Mon, 03 Dec 2007 08:30:56 +0100 To: "Kevin Oberman" From: Laurent LEVIER In-Reply-To: <20071203002752.ADB184500E@ptavv.es.net> References: <20071203002752.ADB184500E@ptavv.es.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Message-Id: <20071203073101.B517C267E14@mx.levier.org> Cc: freebsd-acpi@freebsd.org Subject: Re: Power savings on USB Hard drives X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Dec 2007 07:31:06 -0000 Hi Kevin, At 01:27 03/12/2007, Kevin Oberman wrote: >Almost all external USB drives use umass and are not handled as ATA but >as SCSI. As such, camcontrol is the tool that should probably be >used, but I have no such devices and I don't know what the appropriate >command might be. In fact, this is more compatible with whatI read. camcontrol is used to control some USB devices, but I did not saw some things about power management + camcontrol... >Asking on usb@ might provide the needed information. ? Thanks Brgrds