On Aug 4, 2004, at 08:58 pm, Jeff Walther wrote:

Some CDROM drives have a jumper (on the internal mechanism) for setting the sector size. It is possible that A/UX requires a different sector size than the Mac requires. I seem to remember that it was usually flavors of nix that used the other sector size setting.

I highly doubt it as it would stop every standard Apple SCSI CD-ROM drive (and everyone elses) in the world working with A/UX. I have 300i and 600i units here and neither has a sector sized jumper. It's something I have only ever run into on MO drives.


Anyway, you might check for a sector size jumper and change it to the other condition (installed/removed) and try again. It's a bit of a long shot, but this is a problem that would show up on multiple drives, because it's a configuration issue.

Keep in mind that I'm guessing.

The original Image that you are burning from may be damaged. I can vouch for the fact that A/UX 3.01 will successfully install on a IIci with a standard Apple CD-ROM drive, having done it myself.


Attack this logically:
It's not the hard disk, you've changed that.
It's not the CD Drive, you've changed that
It's not the IIci, you've changed that.
It's not the burn - you've redone that several times.

Check you are not doing something strange like burning the CD as a Multisession disk, A/UX very likely doesn't support Multisession CDs.

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