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Document the required steps for a successful installation of FreeBSD on

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an HP Netserver machine with onboard EISA SCSI.

(doc changes are supposed to be mass-merged with 2.2 in the end.)
This commit is contained in:
Joerg Wunsch 1996-12-14 18:12:17 +00:00
parent 8673b25d44
commit d14a9d47af
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=20453
1 changed files with 38 additions and 2 deletions
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share/doc/FAQ/FAQ.sgml
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@ -1,5 +1,5 @@
<!DOCTYPE linuxdoc PUBLIC "-//FreeBSD//DTD linuxdoc//EN">
<!-- $Id: FAQ.sgml,v 1.14 1996/11/20 14:18:25 jfieber Exp $ -->
<!-- $Id: FAQ.sgml,v 1.15 1996/12/06 18:19:31 jkh Exp $ -->
<article>
@ -7,7 +7,7 @@
<author>Maintainer: Peter da Silva <tt><htmlurl url='mailto:pds@FreeBSD.ORG'
name='&lt;pds@FreeBSD.ORG&gt;'></tt>
<date>$Date: 1996/11/20 14:18:25 $
<date>$Date: 1996/12/06 18:19:31 $
<abstract>
This is the FAQ for FreeBSD systems version 2.X All entries are
assumed to be relevant to FreeBSD 2.0.5+, unless otherwise noted.
@ -1400,6 +1400,42 @@ options PSM_NO_RESET #don't reset mouse hardware (some laptops)
the section <ref id="bigram" name="on 32 MB machines">. This is a
problem that occurs with the Vesa-Local Buslogic SCSI cards.
<sect1>
<heading>FreeBSD does not recognise my on-board AIC-7xxx EISA SCSI in an HP Netserver</heading>
<p>
This is basically a known problem. The EISA on-board SCSI controller
in the HP Netserver machines occupies EISA slot number 11, so all
the ``true'' EISA slots are in front of it. Alas, the address space
for EISA slots >= 10 collides with the address space assigned to PCI,
and FreeBSD's auto-configuration currently cannot handle this
situation very well.
So now, the best you can do is to pretend there were no address
range clash :), go right ahead and edit the file
<tt>/sys/i386/eisa/eisaconf.h</tt>. Look for a line defining the
macro <tt/EISA_SLOTS/, and bump the number it's defining to 12.
Configure and compile a kernel, as described in the
<url url="http://www.freebsd.org/handbook/kernelconfig.html"
name="Handbook entry on configuring the kernel">.
Of course, this does present you a chicken-and-egg problem when
installing on such a machine. In order to work around this
problem, a special hack is available inside <em>UserConfig</em>.
Do not use the ``visual'' interface, but the plain command-line
interface there. Simply type
<verb>
eisa 12
quit
</verb>
at the prompt, and install your system as usual. Don't forget
to install the kernel source distribution, since you need to
build a custom kernel, or otherwise you would have to repeat the
described procedure at each boot! <tt/dset(8)/ doesn't save this
change for you.
Hopefully, future version will have a proper fix for this problem.
<sect>
<heading>Commercial Applications</heading>