> Agreed. You don't happen to have a box of back issues lying
> around? :-)
>
I have a couple, including the issue with the SCSI article. We used to get
them for free. :) but unfortunately DEC tech journal was discontinued a year
or 2 ago. :(
> > basically: you really don't want to hot-swap normal scsi
> connections on a
> > regular basis. If you do, isolate the device from the bus
> before removing
> > the power.
>> Surely, you mean the opposite? Cut power first, then pull out the
> connector.
>
no, cut interface first. Because you need to keep the ground lines grounded
during demating, and because then the only disturbance will be due to to
interface demate.
if you look at SCA drives, the contacts are of different length. The power
and electrical ground contacts extend closer to the edge than the SCSI bus
contacts do, to ensure that the electrical ground contacts mate first and
demate last, and that the bus contacts mate last, and demate first.
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