*BSD News Article 16690


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From: fred@genesis.demon.co.uk (Lawrence Kirby)
Path: sserve!newshost.anu.edu.au!munnari.oz.au!network.ucsd.edu!swrinde!cs.utexas.edu!uunet!pipex!uknet!warwick!qmw-dcs!qmw!demon!genesis.demon.co.uk!fred
Subject: Re: Installing NetBSD on WD1007 ESDI drive 
Distribution: world
References: <C7v3IG.5D@sugar.NeoSoft.COM>
Organization: none
X-Newsreader: Simple NEWS 1.90 (ka9q DIS 1.21)
Lines: 44
Date: Mon, 31 May 1993 23:24:08 +0000
Message-ID: <738890648snz@genesis.demon.co.uk>
Sender: usenet@demon.co.uk

The drive is a Miniscribe 9380E. The geometry is 1224 cylinders, 15 heads,
and 34-36 tracks with a native format. Use DiskManager to format it without
translation. The last two cylinders are not available (they're used to store
ESDI formatting info and manufacturer's defect lists).

It's much safer to use the BIOS on the controller to do the formatting. I
had Disk Manager supplied with my 9380E - it simply didn't work, at least
not with the WD1007 controller. It told you it was formatting, etc. but it
wasn't.

And in your next message....

In article <C7v3IG.5D@sugar.NeoSoft.COM> peter@NeoSoft.com writes:

>In article <C7v3DF.27@sugar.NeoSoft.COM> peter@NeoSoft.com (Peter da Silva)
> writes:
>> In article <1993May28.011157.19632@gandalf.ca> dejones@gandalf.ca (David E.
> Jones) writes:
>> > The ESDI drive is a Miniscribe, approx. 318 MB.
>
>> The drive is a Miniscribe 9380E. The geometry is 1224 cylinders, 15 heads,
>> and 34-36 tracks with a native format.
>            ^^^^^^
>
>You mean "sectors", you great steaming leather-bound git.
>
>        Oh, sorry.
>
>Besides, it can't handle 36 sectors. You found that out at work.
>
>        That was with 18 s/t, 1K sectors.
>
>And with 512 byte sectors it'll magically work?
>
>        Uh, no... OK, that's 34 s/t.

I'm happily using a 9380E/Ultrastor 12F at 36 sectors per track. It's one
of the jumper options on the drive. As far as I remember the WD1007 wanted
35 though.

-----------------------------------------
Lawrence Kirby | fred@genesis.demon.co.uk
Wilts, England | 70734.126@compuserve.com
-----------------------------------------