In a message dated Fri, 1 Feb 2002 10:48:05 AM Eastern Standard Time, Todd Vierling <tv@wasabisystems.com> writes:

> On Wed, 30 Jan 2002, John Maier wrote:
> 
> : How very odd!  I too am having the same problem with my 5000/240 box!  I'm going to grab
> : the another SCSI cdrom and see if that helps.
> 
> Many CD drives (even if they *supposedly* support 512 byte/sector booting)
> simply don't want to CD boot with various revisions of the pmax (and vax)
> PROMs.
> 
> It's nothing bad about the CDs, that I can tell; it's simply the difference
> in drives.
> 
> -- 
> -- Todd Vierling <tv@wasabisystems.com>  *  Wasabi & NetBSD:  Run with it.
> -- CDs, Integration, Embedding, Support -- http://www.wasabisystems.com/

I have *never* gotten any pmax to boot the install off the cdrom.  I just gave up on it..  The *good* news is that the "helper disk" method works dflawlessly every single time.