> > I just put into my 8500 one Seagate ST19171WC (9.1 GB Barracuda), it is a
> > SCA drive with an adapter from 80 pin SCA into 50 pin Narraw SCSI.  The
> > drive has OS 8.1 installed.
> >
> > Now, OS 8.1's Apple HD Setup formatted the drive OK, but I just can't get
> > the drive to boot after a power shutdown.
> > After a restart, the HD boots fine into the desktop.
> >
> > Does it mean that the HD is not supported under OS 8.1?
> >
> > What can I do to make this drive boot up from a cold start?
> >
> > The jumper for "spinning up" has been enabled on the drive.

OK, I'm just guessing here, but I just had a similar situation trying to connect an
IBM 36 gig ultra-wide SCSI, 68-pin drive to an Adaptec 29160N host adapter card with
a mini-50 external connecter.  Adaptec said that you can go from a 68-pin connector
on the card to a 50-pin connector on the drive, but not the other way around,
otherwise some signals are lost.  You're stepping down an 80-pin SCA drive to 50 pins
-- maybe you're losing the signals that cause the drive to auto-boot.

herb




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