From owner-freebsd-questions@FreeBSD.ORG Sat Mar 6 02:06:35 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 316F716A4CE for ; Sat, 6 Mar 2004 02:06:35 -0800 (PST) Received: from m00.ca.astound.net (m00.ca.astound.net [64.85.239.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 115DE43D1D for ; Sat, 6 Mar 2004 02:06:35 -0800 (PST) (envelope-from rchopra@cal.berkeley.edu) Received: from cal.berkeley.edu (ca.astound.net [64.85.239.2]) by m00.ca.astound.net (8.12.10/8.12.10) with ESMTP id i26A5kw7014943; Sat, 6 Mar 2004 02:05:47 -0800 Message-ID: <4049A21A.3070309@cal.berkeley.edu> Date: Sat, 06 Mar 2004 02:04:10 -0800 From: Rishi Chopra User-Agent: Mozilla Thunderbird 0.5 (Windows/20040207) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Chuck McManis References: <40496EBE.7050706@cal.berkeley.edu> <6.0.0.22.2.20040305223628.02496ec8@66.125.189.29> In-Reply-To: <6.0.0.22.2.20040305223628.02496ec8@66.125.189.29> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new cc: freebsd-questions@freebsd.org Subject: Re: Problems (Still) Mounting CDROM X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 06 Mar 2004 10:06:35 -0000 What if the drive is recognized by the BIOS? Chuck McManis wrote: > As far as your kernel is concerned there is no CDROM drive attached to it. > > You should see something like: > > atapci0: port > 0xf000-0xf00f,0-0x3,0-0x7,0-0x3,0-0x7 irq 0 at device 31.1 on pci0 > ata0: at 0x1f0 irq 14 on atapci0 > ata1: at 0x170 irq 15 on atapci0 > ... snip ... > sio1: type 16550A > ppc0: parallel port not found. > ad0: DMA limited to UDMA33, non-ATA66 cable or device > ad0: 76319MB [155061/16/63] at ata0-master UDMA33 > acd0: CDROM at ata1-master PIO4 > ... snip ... > > Note that the last line identifies the CDROM. Now the most common cause > of this problem is that the CDROM is set as a "SLAVE" on the ATA bus and > there is no master on that bus. Or sometimes its set as Master w/Slave > Present and its waiting for the slave to ack before it does. Either way, > its one of (in order of likelyness): > > drive is mis-jumpered > drive is mis-cabled > drive is dead > > HTH > --Chuck > > -- Rishi Chopra http://www.ocf.berkeley.edu/~rchopra