On Thu, 2008-05-08 at 12:24 -0700, Mark Knecht wrote:
> On Thu, May 8, 2008 at 11:55 AM, Albert Hopkins <marduk@(protected):
[...]
> > Well if it's El Torito you just point mkisofs to the boot image. But
> > since you say it's a DOS CD, who knows.
> >
> > -a
>
> Can you clarify what you mean by 'point mkisofs to the boot image'? It
> seems that 'man mkisofs' calls up pages about genisoimage.
>
> I've got the CD mounted on my Linux box. ls -al /mnt/cdrom shows only
> SPINRITE.EXE and nothing else. However the CD is bootable and I see
> FreeDOS info when it's booting so maybe all the
> autoexec.bat/config.sys stuff is hidden somewhere. Linux isn't seeing
> it.

It's a boot (floppy image) that's not part of the ISO filesystem per se.
A quick 'Net search shows you might be able to do this following

http://kiss.molteni.net/

I tried that on an Open Solaris ISO and got:

    $ isoinfo -d -i os200805.iso
    CD-ROM is in ISO 9660 format
    System id: Solaris
    Volume id: OpenSolaris-2008-05
    Volume set id:
    Publisher id:
    Data preparer id:
    Application id: MKISOFS ISO 9660/HFS FILESYSTEM BUILDER &
    CDRECORD CD-R/DVD CREATOR (C) 1993 E.YOUNGDALE (C) 1997
    J.PEARSON/J.SCHILLING
    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: 351117
    El Torito VD version 1 found, boot catalog is in sector 104
    NO Joliet present
    Rock Ridge signatures version 1 found
    Eltorito validation header:
       Hid 1
       Arch 0 (x86)
       ID ''
       Key 55 AA
       Eltorito defaultboot header:
          Bootid 88 (bootable)
          Boot media 0 (No Emulation Boot)
          Load segment 0
          Sys type 0
          Nsect 4
          Bootoff 69 105
   
    $ dd if=os200805.iso of=boot.img bs=2048 count=4 skip=105
    4+0 records in
    4+0 records out
    8192 bytes (8.2 kB) copied, 6.7118e-05 s, 122 MB/s
   
    $ file boot.img
    boot.img: isolinux Loader

YMMV.

-a


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gentoo-user@(protected)