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Date:      Thu, 30 Dec 1999 12:01:45 +0000
From:      Mark Ovens <mark@ukug.uk.freebsd.org>
To:        Kent Stewart <kstewart@3-cities.com>
Cc:        freebsd-questions@freebsd.org, Arcady Genkin <a.genkin@utoronto.ca>
Subject:   Re: Before I return FreeBSD to the store...
Message-ID:  <19991230120145.X1290@marder-1>
In-Reply-To: <014501bf528b$631d9c80$0400fea9@JADE>
References:  <0.8cf3908f.259c43d3@cs.com> <87so0lxaiw.fsf@tea.thpoon.com> <013501bf5288$1e28e650$0400fea9@JADE> <87k8lxx9a5.fsf@tea.thpoon.com> <014501bf528b$631d9c80$0400fea9@JADE>

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[Message re-formatted for easy reading]

On Wed, Dec 29, 1999 at 10:01:58PM -0800, Kent Stewart wrote:
> 
> ----- Original Message -----
> From: "Arcady Genkin" <a.genkin@utoronto.ca>
> To: <freebsd-questions@freebsd.org>
> Sent: Wednesday, December 29, 1999 9:55 PM
> Subject: Re: Before I return FreeBSD to the store...
> 
> 
> > "Kent Stewart" <kstewart@3-cities.com> writes:
> >
> > > > What does the CD-ROM's jumper have to do with installing an
> > > > OS? If it worked with other OS's, then it should be deemed
> > > > workable, and let the jumper alone.
> > >
> > > It has a lot to do with it. Some drives aren't detected when
> > > they are the only device and jumpered as a slave on the
> > > secondary IDE channel. A couple don't want to be the master on
> > > the secondary IDE channel but work just fine as a slave behind
> > > the HD on the primary IDE channel. My Teac is the master on the
> > > secondary IDE channel. The slave on the secondary channel is a
> > > WD 3.1GB HD.
> > >
> > > I looked at all of the IDE CDROM's that I have and the have
> > > either 3 or 5 jumper locations. The right three have text above
> > > them saying something like (cs or csel), (ma or master), and (sl
> > > or slave).
> >
> > Of course, a CD-Rom must be configured in order to be useful. My
> > point was that if this CD-Rom worked with other OS's (as it
> > follows from the original message), then the jumper settings would
> > have to be left alone.
> 
> You haven't been following the threads on questions. This has been
> an on going problem since about 3.1 or 3.2. There are CDROM's that
> will work with other OS'es jumpered as a slave but not on FreeBSD.
> There have been a couple of CDROM's that will not work as the master
> on the secondary but work just fine as a slave on the primary IDE
> channel. His CDROM could be one of these drives.
> 

One thing that has come up in these threads that you mention is that
the ATAPI specification says that devices shouldn't be configured as a
slave without a master (on the same channel). This would suggest that
FreeBSD adheres more closely to the ATAPI standard than other OSes.
The problem arises because many PC manufacturers (including some
big-name ones) persist in setting up the CD-ROM as slave on the
secondary channel without a secondary master.

The fact that Windows (and apparently Linux) works with this "illegal"
configuration doesn't make it any less wrong.

> Kent
> 
> > --
> > Arcady Genkin                                 http://www.thpoon.com
> > "'What good is my pity? Is not the pity the cross upon which he who
> > loves man is nailed?..'" (Zarathustra - F. Nietzsche)
> >
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-questions" in the body of the message
> 
> 
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
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-- 
	"there's a long-standing bug relating to the x86 architecture
	that allows you to install Windows too"
				   -Matthew D. Fuller
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