From owner-freebsd-mobile@FreeBSD.ORG Sun Jun 29 14:03:47 2014 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D101B59B for ; Sun, 29 Jun 2014 14:03:47 +0000 (UTC) Received: from wonkity.com (wonkity.com [67.158.26.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "wonkity.com", Issuer "wonkity.com" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 6261B2BAF for ; Sun, 29 Jun 2014 14:03:46 +0000 (UTC) Received: from wonkity.com (localhost [127.0.0.1]) by wonkity.com (8.14.9/8.14.9) with ESMTP id s5TE3jiB059195 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sun, 29 Jun 2014 08:03:45 -0600 (MDT) (envelope-from wblock@wonkity.com) Received: from localhost (wblock@localhost) by wonkity.com (8.14.9/8.14.9/Submit) with ESMTP id s5TE3j3I059192; Sun, 29 Jun 2014 08:03:45 -0600 (MDT) (envelope-from wblock@wonkity.com) Date: Sun, 29 Jun 2014 08:03:45 -0600 (MDT) From: Warren Block To: Ian Smith Subject: Re: bootable CD-ROM image to memstick image? In-Reply-To: Message-ID: References: <20140629205303.L50382@sola.nimnet.asn.au> User-Agent: Alpine 2.11 (BSF 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (wonkity.com [127.0.0.1]); Sun, 29 Jun 2014 08:03:45 -0600 (MDT) Cc: freebsd-mobile@freebsd.org X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 29 Jun 2014 14:03:47 -0000 On Sun, 29 Jun 2014, Warren Block wrote: > On Sun, 29 Jun 2014, Ian Smith wrote: > >> I have a bootable BIOS/EC update CD image for a Lenovo X200, with no CD. >> >> It contains the same good ol' DOS 6.0 BIOS update program as ever, after >> a loader from not so good ol' Nero Burning ROM, after 64KB of zeroes. >> >> root@x200:~smithi/biosupdate # file 6duj48us.iso >> 6duj48us.iso: # ISO 9660 CD-ROM filesystem data '6DUJ48US >> ' (bootable) >> root@x200:~smithi/biosupdate # mdconfig -f 6duj48us.iso >> md0 >> root@x200:~smithi/biosupdate # mount_cd9660 /dev/md0 /mnt >> root@x200:~smithi/biosupdate # ls -a /mnt >> . .. >> root@x200:~smithi/biosupdate # >> >> Is there a generic way to convert this into a bootable USB image? > > Possibly the update program and data is in the El Torito floppy image. I've > converted floppy images to boot CDs, but not the other way. This might help: > http://arstechnica.com/civis/viewtopic.php?f=16&t=308491 And based on that: % isoinfo -d -i 6duj48us.iso Setting input-charset to 'ISO8859-1' from locale. CD-ROM is in ISO 9660 format System id: Volume id: 6DUJ48US Volume set id: Publisher id: Data preparer id: Application id: NERO BURNING ROM Copyright File id: Abstract File id: Bibliographic File id: Volume set size is: 1 Volume set sequence number is: 1 Logical block size is: 2048 Volume size is: 19126 El Torito VD version 1 found, boot catalog is in sector 20 Joliet with UCS level 3 found. No SUSP/Rock Ridge present Eltorito validation header: Hid 1 Arch 0 (x86) ID 'NERO BURNING ROM' Cksum 8A FC OK Key 55 AA Eltorito defaultboot header: Bootid 88 (bootable) Boot media 4 (Hard Disk Emulation) Load segment 7C0 Sys type 6 Nsect 1 Bootoff 1B 27 % dd if=6duj48us.iso of=zoot.img bs=2048 skip=27 count=75744 19126+0 records in 19126+0 records out 39170048 bytes transferred in 0.063829 secs (613672181 bytes/sec) That file is a 37M MBR hard drive image. Copying it straight to a memory stick ought to work.