From owner-freebsd-questions@FreeBSD.ORG Fri Apr 9 08:11:06 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 402B6106566B for ; Fri, 9 Apr 2010 08:11:06 +0000 (UTC) (envelope-from perryh@pluto.rain.com) Received: from agora.rdrop.com (unknown [IPv6:2607:f678:1010::34]) by mx1.freebsd.org (Postfix) with ESMTP id 18C148FC0A for ; Fri, 9 Apr 2010 08:11:06 +0000 (UTC) Received: from agora.rdrop.com (66@localhost [127.0.0.1]) by agora.rdrop.com (8.13.1/8.12.7) with ESMTP id o398B38S069654 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Fri, 9 Apr 2010 01:11:03 -0700 (PDT) (envelope-from perryh@pluto.rain.com) Received: (from uucp@localhost) by agora.rdrop.com (8.13.1/8.12.9/Submit) with UUCP id o398B3jM069653 for freebsd-questions@freebsd.org; Fri, 9 Apr 2010 01:11:03 -0700 (PDT) Received: from fbsd61 by pluto.rain.com (4.1/SMI-4.1-pluto-M2060407) id AA07753; Fri, 9 Apr 10 00:52:13 PDT Date: Fri, 09 Apr 2010 00:51:29 -0700 From: perryh@pluto.rain.com To: freebsd-questions@freebsd.org Message-Id: <4bbedc81.G0j71lonOCUqR/vZ%perryh@pluto.rain.com> References: <4BBE8DB1.8040905@joseph-a-nagy-jr.us> <4BBE9470.1040607@joseph-a-nagy-jr.us> <4BBEB5BC.3000509@joseph-a-nagy-jr.us> In-Reply-To: <4BBEB5BC.3000509@joseph-a-nagy-jr.us> User-Agent: nail 11.25 7/29/05 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Re: USB Powered Speakers X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Apr 2010 08:11:06 -0000 Programmer In Training wrote: > ... they are only attached for power purposes ... > Input power: DC 5V 500mA Any chance these speakers need a USB 2.0 port, and all the ports on your FreeBSD box are 1.x? I don't remember the USB power spec offhand, but 2.5W may exceed what a USB 1.x port can supply -- a limit that applies regardless of the system's overall power provisioning.