Re: Apple Drive III cable

[cps@access.digex.net (Chris Smolinski)]

In article <31773137.202E@ais.net>, Jon O'Brien <jobrien@ais.net> wrote:

> > I'll have to dig up my Apple /// notes for full information, but the drive
> > ribbon cables daisy chain. There are four drive select signals, and each
> > drive shifts them over by one, so the drive automatically are assigned
> > numbers. I believe there is a slight difference between the internal drive
> > wiring and the external drives, since the internal is always .D1. Note
> > that you can use /// drives on a ][, and vice-versa, with appropriate
> > cabling. I'll try to dig out all my /// stuff after I move (and can
> > finally set my Apple collection back up again)
> 
> Are you sure you can mix and match drives between Apple IIs?  There's a
big warning label on the 
> back of my Disk III telling users *not* to do this.

Yes, you can. Note I said *appropriate cabling*. You need to make sure the
drive select signals go to the appropriate pins. I vaguely remember there
was a difference in one of the power supply pins also, but I'm not sure.
Again, after I move, and dig out all my ][ and /// stuff, I'll post
something.

Chris

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