🚀 go-pugleaf

In article <BwsAso.5JJ@unx.sas.com> Michael_Hecht@mac.sas.com (Michael Hecht) writes:
>The Apple literature on PhotoCD says that older CD-ROM drives will only
>be able to access the first session on a PhotoCD. To access subsequent
>sessions, I need to get the new AppleCD 300i drive.
>
>[This is from the Oct. 1992 INTRO NEWS, Vol. 3, Num. 2, p. 10; "PhotoCD:
>Picture the revolution."]
>
>Can you explain why this is? What is it about the CD-ROM format that
>can't be compensated for with the older drives? What was changed in the
>300i to allow it to read multiple sessions?
>

I don't understand the whole story on this one, but it's something like this:
Every disk must have a beginning and and an end to the directory. When you
go and put a second session on a Photo CD, somehow you have to indicate that
the disk now has TWO beginnings and TWO endings, and the firmware doesn't
know how to look for the second and subsequent beginnings.

>Also, I haven't tried this, but I'm curious. If I mount a PhotoCD on my
>Mac and share it, will other Mac users be able to mount the CD remotely
>and use the slide show/PICT conversion features? [You may not be the best
>person to answer this one. :-)]
>
I haven't tried it either, but it shouldn't be a problem. As far as the
mac is concerned, the Image Pac is just a file on the disk, and is treated
by the OS as any other file.


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J. Scott Houchin			Internet: houchin@kodak.com
Eastman Kodak Co.			(716) 477-9737