From owner-freebsd-arm@FreeBSD.ORG Tue Nov 6 14:00:21 2007 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5256016A469 for ; Tue, 6 Nov 2007 14:00:21 +0000 (UTC) (envelope-from ticso@cicely12.cicely.de) Received: from raven.bwct.de (raven.bwct.de [85.159.14.73]) by mx1.freebsd.org (Postfix) with ESMTP id CDF8313C4BB for ; Tue, 6 Nov 2007 14:00:20 +0000 (UTC) (envelope-from ticso@cicely12.cicely.de) Received: from cicely5.cicely.de ([10.1.1.7]) by raven.bwct.de (8.13.4/8.13.4) with ESMTP id lA6E08JS086828; Tue, 6 Nov 2007 15:00:08 +0100 (CET) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (cicely12.cicely.de [10.1.1.14]) by cicely5.cicely.de (8.13.4/8.13.4) with ESMTP id lA6E03Qk011223 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 6 Nov 2007 15:00:03 +0100 (CET) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (localhost [127.0.0.1]) by cicely12.cicely.de (8.13.4/8.13.3) with ESMTP id lA6E03VN010330; Tue, 6 Nov 2007 15:00:03 +0100 (CET) (envelope-from ticso@cicely12.cicely.de) Received: (from ticso@localhost) by cicely12.cicely.de (8.13.4/8.13.3/Submit) id lA6E03EJ010329; Tue, 6 Nov 2007 15:00:03 +0100 (CET) (envelope-from ticso) Date: Tue, 6 Nov 2007 15:00:02 +0100 From: Bernd Walter To: Krassimir Slavchev Message-ID: <20071106140002.GM4593@cicely12.cicely.de> References: <472F1A97.3090308@bulinfo.net> <20071105.080609.1723237322.imp@bsdimp.com> <47303B8E.2040403@bulinfo.net> <20071106125853.GJ4593@cicely12.cicely.de> <47306BDD.70206@bulinfo.net> <20071106134227.GK4593@cicely12.cicely.de> <47307221.6010208@bulinfo.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47307221.6010208@bulinfo.net> X-Operating-System: FreeBSD cicely12.cicely.de 5.4-STABLE alpha User-Agent: Mutt/1.5.9i X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED=-1.8, AWL=0.048, BAYES_00=-2.599 autolearn=ham version=3.1.7 X-Spam-Checker-Version: SpamAssassin 3.1.7 (2006-10-05) on cicely12.cicely.de Cc: freebsd-arm@freebsd.org, ticso@cicely.de Subject: Re: Detecting USB devices at startup? X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ticso@cicely.de List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Nov 2007 14:00:21 -0000 On Tue, Nov 06, 2007 at 03:54:41PM +0200, Krassimir Slavchev wrote: > > Bernd Walter wrote: > ... > > I'm still a bit surprised, since there are so many noname hubs with > > fat wallwarts. > > I have found such 4 port hub and I will make test as soon as receive it. > ... > > > Interesting, so they run everything linear regulated from 5V. > > Sounds like a lot of power loss, but their board is different and > > maybe they have more 5V components. > > No, but there is an IDE interface. I've found at least the sound, CAN driver and LED are using 5V. Maybe sound is just using 5V, because it is there, which holds true for the LEDs. But since they don't have a switch they maybe have much less load on the 3,3V. -- B.Walter http://www.bwct.de http://www.fizon.de bernd@bwct.de info@bwct.de support@fizon.de