Re: [WinMac] More on cross platform CDs

Tom Roth(tomroth[at]wfubmc.edu)
Wed, 4 Aug 1999 15:37:21 -0500

> > Tom Roth wrote:
> > I've been following the thread about cross platform CDs and just
> > yesterday tried to create one and was not entirely successful. I've
> > made cross platform CDs before but not with long Win95 & NT filenames.
> >
> > Second attempt: I burned just the Mac HFS partition on Toast not closing
> > the disc and then took the CD to my WinNT machine that has a writable CD
> > and wrote the ISO partition there using Easy CD Pro 2.11. Is this
> > because Toast
> > didn't write the whole thing or because I didn't close the CD on the
> > Windows side? Or should I have written the Windows partition first and
> > then finished by writing and closing the disc in Toast?

> Bruce Johnson replies:
> It is because what you actually have here is a multisession CD, not a
> 'hybrid' HFS/Windows CD. A true hybrid CD has _two_ disk catalogs, one
> HFS and the other ISO, pointing to the _same_ data track; what you have
> here is a disk with one HFS session, and one ISO session: two catalogs,
> two data tracks.
>
> People here are throwing around 'ISO' as though it is interchangeable
> with Windows Joliet and Romeo CD formats. They are _not_ the same thing
> as ISO 9660 levels 1, 2 or 3! ISO Level 1 (8+3 ALL CAPS filenames) is
> the only strict ISOformat either EZ CD or Toast use.

I was beginning to suspect something like that.

> How do I know this? I tried to burn a LinuxPPC CD using a joliet format;
> the installer doesn't recognize it. Anyone want a Linuxx PPC coaster?

Ah, no thanks. I've got a few coasters of my own. ;)

> ISO9660 levels 2 and 3 are more often known as ISO 9660 with Rockridge
> extensions. There is overlap in the specifications of Joliet and ISO
> but, in MicroSquishies inimitable fashion, they decided to rewrite the
> standards _again_. Close but no ceegar.
> ...snip...
> This _is_ an annoying drawback of both Toast and EZ CD. Maybe Toast 4.0
> (due any day now, I think) will address this problem.

Thanks for the info Bruce. I'll be looking for Toast 4.
  
  ______________________________________________________________________
  Tom Roth Wake Forest University School of Medicine
  tomroth@wfubmc.edu Dept of Biomedical Communications
  http://www.wfubmc.edu/biomed/ Medical Center Blvd
  Tel 336.716.4493 Winston-Salem, NC 27157-1011
  ______________________________________________________________________

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