This happens to be one of my mates :) I've already told him about Tony's
skills so we'll see what he decides to do. Anyone interested will be able
to see both Richard's boards (he has a Dragon prototype board too) at the
CGE-UK in Croydon on sunday this weekend.
cheers
w
> This appeared on the dragonuser site - looks like a very interesting
> machine. He's based in Wiltshire but does travel around a bit if anyones
> able to help with basic faultfinding .
> By the way Jules - Dragon diagrams are available from the Dragonuser
> group.
>
> Geoff.
>
> P.S. Had a good dig around in the front part of the loft but no Nascom yet
> ,
> although I did find my two Nascom Imp Printers - chassis only , bought a
> long time after Nascom ceased to exist.
>
> ----- Original Message -----
> From: "Richard" <richard.harding_at_virgin.net>
> To: <dragonuser_at_yahoogroups.com>
> Sent: Sunday, July 11, 2004 1:37 PM
> Subject: [dragonuser] Help with Dragon *Beta* Main Board
>
>
> Hi all,
>
> I have come into possession of a Dragon Data Beta (aka. The ?2500
> business machine) prototype main board. The sad news is that
> appears to be dead. Is there anyone out there who could possibly
> help in getting this beastie back into life?? (If it ever worked)
> Serious reverse engineering and electronic skills required! I've
> had a poke about with an oscilloscope and it is clocking OK and
> there is life on the data buses.
>
> I have uploaded a few pics into the photos section.
>
> For those interested it appears to have the following features:
> ? 256 K RAM
> ? Twin 6809E's clocked at 1.8Mhz
> ? Onboard Floppy controller (3.5" Single sided drives)
> ? Onboard RS232
> ? Optical interface
> ? External Keyboard (no keyboard L )
> ? Unkown DIN connector - Mouse? Light Pen??
> ? No built in Drag 64 mode! Only an OS-9 boot ROM (ROM dumps
> available).
>
> Simon Hardy is also holding (most of) a Dragon Data Alpha (aka
> Professional) prototype for me. More info on this in the coming
> months when we can actually get a power supply attached.
>
> BFN
> Richard
> www.dragondata.co.uk
>
>
>
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--
adrian/witchy
Binary Dinosaurs owner/curator
www.binarydinosaurs.co.uk - the UKs biggest home computer collection?
Received on Tue Jul 20 2004 - 04:16:33 BST