Path: utzoo!utgpu!watmath!isishq!f171.n221.z1.FIDONET.ORG!izot
From: izot@f171.n221.z1.FIDONET.ORG (Geoffrey Welsh)
Newsgroups: comp.sys.cbm
Subject: Re: More on CBM D9060/D9090 IEEE-488 hard disks
Message-ID: <1153.23CBDDF5@isishq.FIDONET.ORG>
Date: 8 Jan 89 16:11:48 GMT
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 > From: eric@cbmvax.UUCP (Eric Cotton)
 > Message-ID: <5636@cbmvax.UUCP>
 
 > In article <29863@tut.cis.ohio-state.edu> erd@tut.cis.ohio-state.edu (Ethan
 > R. Dicks) writes:
 > >o  Must these drives be formatted at the factory?  Can a program be
 > >   downloaded via M-W commands and run via the M-E command to do a low
 > level
 > >   format?  (I am thinking of building my own hard drive, but have no idea
 > >   how to format it)
 >
 > I don't belive they need be formatted at the factory?  I recall formatting
 > a couple myself many years ago...
 
   The DOS format (via BASIC 4.0's HEADER command or open1,8,15,"n0:name,id" 
worked fine, but the LOW-LEVEL formatting was a problem. I know of several 
people who had trouble with their 90X0 and suspected the problem was low-level 
formatting. Sending the drive to Commodore for repair usually ended up in a 
wait of months and the drive returned unrepaired (as happened with my SuperPET 
combo board).
 
   Also: Do not, under any circumstances, interrupt a 90X0 when it is 
formatting! The drive may simply refuse to work thereafter (see above results 
of trying to get it "fixed").
 
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