Re: Multimedia Site Updates

On Mon, 15 Dec 2003, Benjamin Larsson wrote:

> >	On a related note, does anyone have any idea how to extract data
> >from a Jaguar CD?
> >
> http://db.gamefaqs.com/console/jaguar/file/atari_jaguar.txt

	Thanks for digging this up.

>    The Jaguar CD format is a non-standard format that is not compatable with
>    the ISO-9660 standard.  It uses audio-format sectors for data, which
>    allows for 2352 bytes of useable space in each sector.  Unfortunately,
>    this leaves no provision for error correction or file system management
>    (though errors are detected by the CD drive hardware).  Each disc is
>    copy-protected with encrypted data that is specially formatted to look
>    like an error.  Attempts to copy a Jaguar CD will fail because it cannot
>    read the encrypted data, which means the copy will not work.

	Incredible. I wonder how long the CD device was released before
Atari's people started to realize, "Oh, hey, all of those error
detection/correction codes in a normal 2048-byte-sector CD-ROM are there
for a good reason," as the discs started failing due to little scratches?

--
	-Mike Melanson




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