*BSD News Article 62424


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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Problems with ESDI drive and WD1007A-WA2
Date: 26 Feb 1996 00:13:23 +0100
Organization: Private FreeBSD site, Dresden.
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References: <4gnqrr$dh9@erinews.ericsson.se>
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Lars Nilsson <etxsral@tnstp.ericsson.se> wrote:
>I have a WD1007A-WA2 ESDI controller and a Micropolis
>380 Mbyte disk which I'm trying to install FreeBSD-2.10 on.

Ah, i once ran 386BSD-0.1 on such a sucker.  It got one new bad sector
each day. :-/

>But I'm having big trouble with this and I think it's the
>old problem with sector translation and spare sector mapping.
>I have been able to run older versions of FreeBSD,NetBSD on this
>configuration but I can't get this new version to work.

Everything here is offhand information, i've been out of the ESDI
business for very long.

Don't turn on ``spare sectors''.

Since the bad144 table is written at the end of the FreeBSD slice, it
must be reachable for the BIOS for the slice where you are booting
from.  Either, use one of the controller translations that offer you <
1024 cylinders (i seem to remember that this was possible with the
WD1007), or make two slices (aka. ``fdisk partitions''), one
containing the boot partition only, and a second one for the rest.
-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)