archive.worldofdragon.org

OK, here's the deal, attached are a couple of files that have been captured directly from my Dragon 64 as it loaded them :) So they should be complete copies of what is on the tape. When I say captured, what I did was patched the dragon cassette firmware to echo each byte read from tape up to my PC ...

You need to add the VDK header to the file and rename to .VDK. There should be the tools to do this in the downloads area - if not give me a shout as I have compiled them for Win32. Indeed, though oddly, the Flex-OS disk boots fine in MESS, and I was able to access the Cobol and Basic disks mounted...

Ok I won this lot on ebay recently :- http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=160461779073 This archive is a dump of the comercial disks in this batch I will do the rest at some later date. Thd disks are raw images taken as a dd from Linux. Note three of the disks are single desnity ! C...

Well I have replaced the burnt out capacitor on the board, but unfortunately don't get any TV output still. Depending on what you mean by "no TV output" there is a pot RV2 that controls the DC level of the video signal if this is wrongly set it can cause the screen output to be blank, though your m...

There are 3 different types of Mark I Dragon 32 boards (All the MK 1 boards have the same layout with the exception of the RAM area: The original 16K board with 16K Piggy Back, labelled as (c) Dragon Data Services Ltd - Issue 2. Only circa 10,000 of these were produced before production moved to a ...

robcfg wrote:I have a picture of my Dragon64's PCB here.

Humm that's odd you seem to have mask programmed roms on your 64 board, or at least OTP eproms, all the 64 boards I have seen up until now have had EPROMS in them.

Cheers.

Phill.

Nice pictures, Phill! As soon as I get back home from holidays I'll try to do a 300dpi scan of my Dragon64 motherboard and upload it to the Motherboard Pictures page. I was going to do the 64's board tonight, I'll also do the Tano 64 and the Issue 1 Alpha at the same time. By the way, maybe we shou...

If it helps people in the future I have uploaded some pictures of the various motherboards here :

http://archive.worldofdragon.org/index. ... d_Pictures

Phill.

Many thanks Phill - there is a row of jumpers - they are all in the same position (closed from memory as the Dragon is not in front of me at the moment) - I really think it may just be the one capacitor on the main board which has failed (C11), as there must be power, to make it smoke! I just need ...

You will all be pleased to know that I have managed to obtain some 1st generation copies of the Dragon 32 schematics (for all types) and will be doing some hi-res scans of these shortly. Ohhh Excelent, those wouldn't be the A1/A0 size ones would they ? If so how are you going to go about scanning t...