Re: LocalTalk/AppleShare between IIgs and Mac LC 575 - how?

[Gary Gouriluk <gvgouril@ilos.net>]

Oops! Of course you are right David. Sorry for the bum steer, Rodney.

The reason for my confusion was that I had the ProDos File System Extension
installed on my mac because I replaced Apple's CD ROM extension with the FWB CD-ROM
Toolkit. I needed to use FWB to see all partitions on the Golden Orchard CD-ROM (6
HFS and 1 Prodos) and share them with my IIgs (I had no CD on my IIgs).  At that
time I needed that ProDos File Sharing Extension to see the ProDos partition... but
I failed to remember that I had to copy that partition to an HFS volume in order to
share it with my IIgs. Apologies for my faulty memory.

I can only add that the old extension co-existed harmlessly on my macs when they
upgraded to 7.5.5. I suppose Apple checks for this and ignores the unnecessary
extension.

Gary

David Empson wrote:

> Gary Gouriluk <gvgouril@ilos.net> wrote:
>
>
> > I believe you need to install the prodos filesystem extension onto the mac
> > first. It was on Apple's site at one time.
>
> System 7.5 has PC Exchange, which incorporates the ProDOS file system
> extension.
>
> In order to run the older extension, you would have to disable PC
> Exchange, and might have to run an older system version as well.
>
> I'd be surprised if the ProDOS file system extension would allow you to
> share a ProDOS partition.
>
> If the Mac was to share a ProDOS partition, its File Sharing extension
> would need to be able to cope with the different naming restrictions of
> a ProDOS partition.  The AppleShare protocol assumes that the host file
> system is much more flexible than ProDOS.
>
> It might be possible to share a FAT (MS-DOS) partition, because there
> are tricks which Apple can pull to implement most of the features of an
> HFS volume on a FAT volume.  The same does not apply in the case of a
> ProDOS volume.  (Resource forks and Mac file type/creator information
> can be stored by using extended files, but the name restrictions cannot
> be bypassed.)  Sharing a read-only foreign file system such as an
> ISO-9660 CD-ROM should also be possible.
>
> I expect that the File Sharing extension checks for known file systems
> or those with acceptable characteristics before letting you share them.
>
> An earlier version of this extension might have been more flexible, in
> which case I'd expect strange errors to occur if you tried to use an
> illegal filename on a shared ProDOS volume.