From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KXhCJ-0004ze-8Y for qemu-devel@nongnu.org; Mon, 25 Aug 2008 14:53:51 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KXhCH-0004z5-Pt for qemu-devel@nongnu.org; Mon, 25 Aug 2008 14:53:50 -0400 Received: from [199.232.76.173] (port=53065 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KXhCH-0004z1-MJ for qemu-devel@nongnu.org; Mon, 25 Aug 2008 14:53:49 -0400 Received: from mail.gmx.net ([213.165.64.20]:33006) by monty-python.gnu.org with smtp (Exim 4.60) (envelope-from ) id 1KXhCG-0002Eq-9u for qemu-devel@nongnu.org; Mon, 25 Aug 2008 14:53:48 -0400 Message-ID: <01f101c906e3$db52cf70$0201a8c0@zeug> From: "Sebastian Herbszt" References: <20080825095800.18703.30602.stgit@gleb-debian.qumranet.com.qumranet.com><20080825095805.18703.63202.stgit@gleb-debian.qumranet.com.qumranet.com><48B2C0F3.6080101@codemonkey.ws><20080825144622.GR6192@minantech.com> <20080825153744.GA27233@shareable.org> Date: Mon, 25 Aug 2008 20:53:05 +0200 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [PATCH v2 1/6] Use IO port for qemu<->guest BIOScommunication. Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Jamie Lokier wrote: >> What about 410? > > Whatever port is chosen, it should be one which common and rare > operating systems, recent and ancient, don't "probe" to look for > non-PNP ISA devices - unless the protocol requires a magic sequence to > be woken (and goes back to sleep following a CPU reset). > > I quick Google suggests 0x410 is most commonly used by PCMCIA ethernet > cards. I've no idea if they are probed using that port. Ralf Brown's "Ports List, part 2 of 3" says "PORT 040A-043F - Intel 82378ZB embedded DMA controller". - Sebastian