On 14/03/2005, at 9:36 AM, Reg Whitely wrote:

Hi Wamuggers

I've offered to help a teacher by setting up 2 older PPC 580s to run some CDROM based ed software. The computers run quite nicely on OS 7.6.1 however the CDROMs require OS 8 or 9. The CDROMs won't boot on the machine, throwing up an error -192 and/or message similar to "Mac Start failed to load". I've found a great error code resource at http://www.rustle.com/mac/system8.html#aec.targ which says" -192 resNotFound Resource not found". (I gave my Sad Macs, Bombs and Other Disasters Book to my daughter, thinking I wouldn't be needing it now I've got OS X!)

Presumably, correct me if I'm wrong, Mac Start is looking for some form of system software from OS 8 that is not in OS 7. I've got an OS 8.1 disk which I could load onto the 580s but there is not enough hard drive space on them to do so.

A bit of guessing here ......
Is it that the software on the CDR needing OS8.1
or is it only that the CDR needs OS8 in order to run ?

Have you tried replacing the Apple CD extension with the later version ?

Should be able to find it on the OS8 CD using Tomeviewer ! ?

and I guess you are saying that the OS8 system software takes too much
hard disk space if it is used as a replacement for 7.6

Bob



I'm loath to delete the ed software on them to make room for unnecessary system stuff and certainly don't want to upgrade any hardware. Is there a workaround? Is it possible to install the components of OS 8 needed to run the CDROMs without totally updating to 8.1? If so, what would I need to install? It would be nice for the kids to have these extra learning resources in their classroom at NO cost.

I've looked at the picle's website http://macfaq.org/ which I've used before to do a similar trick with OS 7.1 - 7.5 on LC475s but can't find anything to help. Lowendmac http://www.lowendmac.com/ also doesn't seem to have any info.

Old Macs never die. They just get braver.
Any help would be gratefully appreciated.

Regards
Reg


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