#AppleCD on IBM AT?
03-Dec-91 20:57:06
Sb: #15268-#AppleCD on IBM AT?
Fm: Matt Seitz 75300,1721
To: Ran Talbott [ISSUES] 75300,2302
Actually, it has to do with two things: the data file format and the
volume format.
CD-ROMs for Apples use one of three formats: ISO-9660, High Sierra, or
HFS. A PC with MS-DOS CD-ROM Extensions can read the first two formats.
Currently there is no way for a PC to read the third format (HFS).
As Ran mentioned, all Apple files are actually made up of two parts: a data
fork and a resource fork. These two forks are essentially two seperate
files that share the same name. ISO and High Sierra have a similar system.
Each file may have an associated file that has the same name. Apple ISO
and Apple High Sierra CD-ROMs store the data fork in the main file and the
resource fork in the associated file.
PCs can read the main data file, but not the associated file. Therefore,
if the useful information is stored in the main data file (the data fork),
no problem.
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