>I just got (from Chrislin no less!) a Chrislin Q-bus based floppy
>controller called a "Flex02". This was from a clean up they did and they
>have _no_ documents. Apparently there was a large fire that destroyed most
>of their archives.
The Flex02 was originally sold by AED, I think Chrislin bought out that
particular arm of AED. I've got a manual for it right
here in front of me.
>It has a 50pin edge plug and ahead of that plug is an NEC 8255 (this is a
>parallel port so it suggests to me at least that there might be some "off
>board" intelligence required. No sign of a floppy controller chip.
The book says "The FLEX is constructed to interface a 50-pin flat cable
with pinouts of the Shugart 800 Structure. Any drive with similar structure
may be interfaced." This means that all the smarts are on the board itself.
While I have the FLEX book in front of me right now, it refers to "Logic
Diagrams" that I don't have in front of me for jumper settings. I'll try
to dig these up for you. But if you just cable the Flex up to two
SA-800 style drives and put the controller in a Q-bus backplane, you ought
to see the heads load and seek to track 0, and then unload.
--
Tim Shoppa Email: shoppa_at_trailing-edge.com
Trailing Edge Technology WWW: http://www.trailing-edge.com/
7328 Bradley Blvd Voice: 301-767-5917
Bethesda, MD, USA 20817 Fax: 301-767-5927
Received on Tue Jul 20 1999 - 08:27:43 BST