Date   : Thu, 28 Jul 2005 22:34:09 +0100
From   : "BeebMaster" <beebmaster@...>
Subject: Re: Econet-Ethernet bridge

Pictures of Econet modules available here:

http://www.beebmaster.co.uk/EconetInterfaces.html

N.B. This page is in desperate need of an update (due c. 1/8/05) because of
confusion with Master Series Iss 1 & Iss 2 which are exactly the same and
not "early" and "later" M. series modules as asserted in the text.

Best wishes,


Ian

----- Original Message -----
From: Mike Tomlinson
To:  bbc-micro@...
Sent: Thu, 28 Jul 2005 21:54:12 +0100
Subject: Re: [BBC-Micro] Econet-Ethernet bridge

In article <Marcel-1.53-0727182555-0e8xSBG@...>, Johan
Heuseveldt <johan@...> writes

>Make sure you have the correct one. Early Master version didn't have
>the contention hardware on it. This was done in software by comparing
>the bytes sent with the bytes read back. Very soon though, the boards
>has the same contention hardware on it, as the BBC-B has.

Telling the difference is easy.  The version of the module without
collision detection has 4 chips, the one with has 6 chips.

4-chip modules should be discarded.