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Date   : Wed, 13 Oct 1999 12:08:18 +1300
From   : Michael Foot <mikef@...>
Subject: Re: RGB Monitor Cable pinout

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I finally got a cable that works with this type of plug. The attached file
shows the pin outs which I found by using a multimeter to see what the
connections are.

Cheers,

Mike.

At 12:19 4/10/99 +1300, you wrote:
>
>I've recently been given two RGB monitors that used to be connected to BBC
>Model B's, but unfortunately I was not given the cables that go with them.
>I know the monitors still work and would very much like to connect them up
>to a couple of BBCs I have here.
>
>The plug on the back of the monitors looks like this:
> ______________
>|_            _|
>  | o o o  o |
> _| o o o  o |_ 
>|______________|
>
>I can't find any information about this type of connector at all. Does
>anyone know what the pin connectors for this are?

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How to connect an 8 pin RGB monitor plug to a BBC RGB plug.
Both diagrams are shown looking at the plug from the inside.

8 pin RGB monitor plug  BBC 5 pin RBG plug
(male)                  (male)

1 o  o 5                 5 o o 1
                        4 o   o 2
2 o  o 6                    o
3 o  o 7                    3
4 o  o 8

+--1
|  2----------------------1
|  3----------------------2
|  4----------------------3
+--5----------------------5
+--6

+--7----------------------4
+--8

The female plug on the back of the monitors looks like this:
 ______________
|_  4 3 2  1  _|
  | o o o  o |
  | 8 7 6  5 |
 _| o o o  o |_ 
|______________|

The male plug that goes into this socket looks similar except that it's just
a straight rectangle shape.
 ______________
|   8 7 6  5   |
|   o o o  o   |
|   4 3 2  1   |
|   o o o  o   |
|______________|

The female plug in the monitor actually has angled slots as well where I
have drawn the pins below. Up close it's more like this:

    / / /  /
   o o o  o
  / / /  /

  \ \ \  \
   o o o  o
    \ \ \  \


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