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From: d88-jwa@hemul.nada.kth.se (Jon Wtte)
Subject: Re: Interesting ADB behaviour on C650
Message-ID: <1993Apr16.085316.375@kth.se>
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Organization: Royal Institute of Technology, Stockholm, Sweden
References: <1993Apr15.181440.15490@waikato.ac.nz> <1993Apr16.091202.15500@waikato.ac.nz>
Date: Fri, 16 Apr 1993 08:53:16 GMT
Lines: 23

In <1993Apr16.091202.15500@waikato.ac.nz> ldo@waikato.ac.nz (Lawrence D'Oliveiro, Waikato University) writes:

>I have heard of no such warnings from anybody at Apple. Just to be sure, I
>asked a couple of our technicians, one of whom has been servicing Macs for
>years. There is *no* danger of damaging logic boards by plugging and unplugging
>ADB devices with the power on.

The problem is that the pins in the ADB connector 
are close to each other, and if you happen to bend the
cable a little while inserting it, you short the ADB
port. If you take it to an Apple Repair Centre, that
means a new motherboard (though a component replace IS
physically possible)

Same goes for serial ports (LocalTalk as well)

Cheers,

					/ h+
-- 
 -- Jon W{tte, h+@nada.kth.se, Mac Hacker Deluxe --

   This article printed on 100% recycled electrons.
