DEC RA81 need quick answer

From: Huw Davies <H.Davies_at_latrobe.edu.au>
Date: Mon Apr 19 21:03:15 1999

At 20:01 19/04/99 +0100, Tony Duell wrote:
>[Locking heads on an RA81, etc]
>
>> The only thing that I can think of is that if the disk is spinning the
>> heads will have moved from the landing zone and the physical act of moving
>> the lock lever to the lock position will move the heads which could them to
>> crash.
>
>Moving the heads with the disk spinning is conventionally called a
>'seek', and doesn't normally cause a headcrash. Moving the heads with the
>disk stationary is much more likely to do damage.

Yes but in a normal seek the head is moved electomechanically. I think the
head lock mechanism for the RA81 is totally mechanical and there is no
guarantee that it will be as "smooth" as a normal seek.

 Huw Davies | e-mail: Huw.Davies_at_latrobe.edu.au
 Information Technology Services | Phone: +61 3 9479 1550 Fax: +61 3 9479
1999
 La Trobe University | "If God had wanted soccer played in the
 Melbourne Australia 3083 | air, the sky would be painted green"
Received on Mon Apr 19 1999 - 21:03:15 BST

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