Subject: Re: getting to the floppy on a Multia
To: firstname.lastname@example.org, Jason Thorpe <email@example.com>
From: Matthias Drochner <firstname.lastname@example.org>
Date: 12/15/1997 12:36:16
Excerpts from netbsd: 14-Dec-97 Re: getting to the floppy o.. Jason
Excerpts from netbsd: 14-Dec-97 Re: getting to the floppy o.. Ted
> The problem is that the IDE and floppy controllers have port overlap.
> The Alpha IDE driver is bus'ified. So, if you use the floppy, either
> the floppy or the IDE will chose to "not configure" because of resource
The alpha IDE driver is bus'ified in a adventurous way.
Only the port range from 1f0-1f7 is officially mapped,
the ports at 3fx are accessed by "extrapolation" of the
> It's my understanding that the IDE and floppy controllers do not share
> the same port - just that there's a floppy port in the middle of the
> IDE register range. If so, why not just chunk the IDE register range
> in two, and likewise with the floppy?
Port 3f7 if really shared, bit 7 is used by the floppy controller,
the lower 7 bits by wdc. However, our wdc driver doesn't use