Date   : Wed, 08 Jul 2009 21:04:35 +0100
From   : acorn@... (Andy Ford)
Subject: Master Compact Drive Cable

Hmm, my signature did not appear for some reason...


Andy Ford wrote:
> I don't suppose anyone has a picture / diagram to hand of how these are 
> wired do they ?
>
> I looked at all the pictures I could find but none are clear around the 
> actual wiring area. From what I can see (apart from the cable having 
> less wires) , two pins are joined too.
>
> I have acquired a Compact with twin drives (both drives do work, tested 
> well with a 1770 B) , but I am struggling to see how to actually wire 
> them in a Compact due to the cable. I have the D plug wired with 
> (short-ish) length of cable but nothing more. I have tried a few 
> permutations without much luck :(
>
> I do know about the DS select switch on the sides of the drives ;) , as 
> a side note: when I used them on the 'B' , the drive light did not work 
> at all, although when I (accidentally!) plugged the cable in upside 
> down, it did permanently illuminate (as expected) so I'd guess they are 
> internally wired slightly differently anyway, maybe specially produced 
> for Acorn ?
>
> Any advice,hints,tips or a diagram would be most welcome :D
>
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