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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!simtel!oleane!dish.news.pipex.net!pipex!edi.news.pipex.net!pipex!sunic!sunic.sunet.se!trane.uninett.no!Norway.EU.net!EU.net!Germany.EU.net!zib-berlin.de!news.tu-chemnitz.de!irz401!uriah.heep!not-for-mail From: j@uriah.heep.sax.de (J Wunsch) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Low level format ESDI ?? Date: 9 Jul 1995 00:01:55 +0200 Organization: Private FreeBSD site, Dresden. Lines: 22 Message-ID: <3tmv8j$n4n@uriah.heep.sax.de> References: <3tlo6p$k0e@gate2.internet-eireann.ie> NNTP-Posting-Host: uriah.heep.sax.de Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Wing Lee <wing@gate.cis-net.ie> wrote: >Tried to install FreeBSD on a 645MB ESDI attached to an UltraStor >Ultra-12 ESDI controller. It basically failed on performing newfs >encountering i/o error on the way. The reason I think is to do with >the bad sectors on the HD. So the question is: Anybody knows how to >low level format the ESDI? With the controller BIOS. Boot messy DOS, and run something like ``g c800:5'' in the debugger. The ROM segment address (c800) might be different, and the offset is `6' for some BIOSes. After formatting (and marking the bad sectors bad), run bad144 to initialize BSD's bad sector table from all these unreadable (marked bad) sectors. Actually, it's been a couple of years ago that i've got hold of an ESDI drive for the last time, hope i've been helpful anyway. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ Never trust an operating system you don't have sources for. ;-)