Date   : Tue, 14 Aug 2007 20:29:15 +0100
From   : julesrichardsonuk@... (Jules Richardson)
Subject: Depraz mice + Master 512

David Harper wrote:
>> ... anyone know if that matches the mouse pinout for whatever mouse 
>> actually
>> came with the M512?
> 
> This does not match the standard, I'm afraid.

Well, in a way that's good news as it gives a likely cause of the problem :-)

> Standard mouse pinouts are:
> 
>     pin               function
>      1                   5V
>      2 (CB1)        X Ref
>      4 (CB2)        Y Ref

Presumably those are still outputs from the mouse to the BBC?

> Once the hardware is correct, you do not need to do anything to get the 
> supplied version of GEM to use the mouse.

Good :)

>     http://www.cowsarenotpurple.co.uk/bbccomputer/master512/software.html

Curious. What was the third floppy in your photo? I've got originals of the 
DOS boot disk and GEM disk; what was the other? (Just ADFS utilities?)

And hmm, I still need to find where my user guide's gone...

cheers

Jules