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Date: Sun, 29 Mar 2015 03:41:37 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Peter Jeremy <peter@rulingia.com>
Subject: Re: svn commit: r280727 - in head: share/mk sys/conf
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
 src-committers@freebsd.org, Warner Losh <imp@FreeBSD.org>
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On Sun, Mar 29, 2015 at 11:05:17AM +1100, Peter Jeremy wrote:

> On 2015-Mar-27 13:00:14 +0300, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote:
> >On Fri, Mar 27, 2015 at 02:35:12AM +0000, Warner Losh wrote:
> >
> >> Author: imp
> >> Date: Fri Mar 27 02:35:11 2015
> >> New Revision: 280727
> >> URL: https://svnweb.freebsd.org/changeset/base/280727
> >> 
> >> Log:
> >>   Add support for specifying unsupported / broken options that override
> >>   any defaults or user specified actions on the command line. This would
> >>   be useful for specifying features that are always broken or that
> >>   cannot make sense on a specific architecture, like ACPI on pc98 or
> >>   EISA on !i386 (!x86 usage of EISA is broken and there's no supported
> >>   hardware that could have it in any event). Any items in
> >>   __ALWAYS_NO_OPTIONS are forced to "no" regardless of other settings.
> >
> >Alpha 21064 support EISA.
> 
> As linimon pointed out, FreeBSD no longer supports Alpha.
> 
> >FreeBSD support Digi EISA card.
> 
> The digi(4) driver was removed from FreeBSD because it wasn't adapted
> for TTYng.  I had some patches for PCI digi cards (see pr/152253 and
> pr/158086) but no longer have access to the hardware.  I don't recall
> seeing any references to EISA support and can only find PCA and ISA
> code.

Digi don't have EISA specific configuration (different from generic
bus configuration).
Some cards don't exist in ISA version. EISA version of card have wide
window (may be window width to all RAM).
All difference between all Digi cards in initial configurations and
handling firmware load request to exnedend box.