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From: linder@sequent.UUCP (Linda Flanders)
Newsgroups: comp.sys.apollo
Subject: Re: How to park a disc for shipment
Message-ID: <47631@sequent.UUCP>
Date: 30 Nov 90 23:39:09 GMT
Reply-To: linder@sequent.UUCP (Linda Flanders)
Organization: Sequent Computer Systems, Inc
Lines: 28

In article <HANCHE.90Nov29175402@hufsa.imf.unit.no>, hanche@imf.unit.no
(Harald Hanche-Olsen) writes:

>
>In article <841@bacchus.esa.oz.au> don@bacchus.esa.oz.au (Don Isdale) writes:
>
>   Could someone advise if there is a procedure for parking a disc
>   for shipping, other than "shut".
>
>There is an undocumented monitor command SH that I believe does this.
>
And Dave Dodge <gk06@umd5.umd.edu> writes:

>I was looking over the old DN300 "troubleshooting manual" yesterday and it
>states that when you are doing a complete shutdown, you use "SH" at the MD
>level and listen for the drive to spin down. I'm guessing it's fairly safe
>for shipping but I'm not sure if it actually "parks" the heads or not.

If I remember correctly, it was only the D3xx series that you needed
to type SH to spin down and park the drive.  If you listen, you'll here
the drive spin down and click.  After the click, you can power it off.

You do not have to do this with the DN3000 and higher models.

Linda Flanders (sequent!linder)
ex-Apollo-ite

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