Re: Moving a 3675

[moon@cambridge.apple.com (David A. Moon)]

> Date: Wed, 15 Apr 1992 15:34-0700
> From: DE@PHOENIX.SCH.Symbolics.COM (Doug Evans)
> 
>     Date: Tue, 14 Apr 1992 08:28 PDT
>     From: moon@cambridge.apple.com (David A. Moon)
> 
>     > Date: Mon, 13 Apr 1992 19:34-0400
>     > From: barmar@Think.COM (Barry Margolin)
>     > 
>     > The only important thing is locking the heads on the disk drive.
> 
>     As Rick Lawhorn can testify, it's okay to knock the 3675 flat on its back while
>     someone is using it, it will keep on running!  Actually I think that was a 3670
>     or a 3600, and in any case I wouldn't recommend trying it at home: only highly
>     trained professionals who know what they are doing can accidentally tip the
>     machine over without breaking it!
> 
> OK ... I'm one of those dangerous professionals ;-) 
> 
> Geez Dave, this is almost unbelievable. Only certain disk
> drives will keep operating with this kind of shock.  I bet if
> I did this to my 3670/Eagle (even with it turned off), it
> would crash and never spin again.

I bet you're right, and I bet it only works once for RLL.

To clarify the story for everyone else, this is the hazard of the
combination of machines on wheels and false floors with individually
removable tiles.