Final tally from the VAX fairy

From: Clint Wolff <vaxman_at_uswest.net>
Date: Thu Aug 3 18:08:40 2000

I have three Avalon Unibus cards... Looking for either documentation
and drivers or a good home...

clint


On Thu, 3 Aug 2000 CLASSICCMP_at_trailing-edge.com wrote:

> * There are also four "Avalon" boards
> * which are quad width, have a Mot 88K
> * processor on them, something like a
> * 4MB daughter card, one edge connector
> * (26 pin) and a couple of LEDs. No clue
> * what these do.
>
> Avalon made Q-bus and Unibus co-processors for special applications.
>
> As of a couple of years ago, you could get Unibus Alpha CPU boards from
> them, if your wallet was thick enough :-).
>
> * A couple of Sigma Q-bus extenders (labels inside say "do not put a CPU in
> * this rack"
>
> Because they're serpentine ABAB all the way through. If you put a CPU
> board with PMI stuff on its CD slots, those PMI signals get mixed with the
> Q-bus signals and things don't work. At worst, the magic smoke comes out.
>
> [Kennedy 9400]
> *for most of its life. Tony or anyone else, is there a way to power this up
> *without connecting it up and seeing if it can load a tape?
>
> Yeah, turn it on, put in a tape, hit load!
>
> *I've also got a Emulex quad width board that looks like an SMD controller,
> *part number is: QD3510206.
>
> Yeah, that's one of their later SMD controllers. Pretty smart - IIRC
> it actually has a 68020 on-board!
>
> Tim.
>
>
Received on Thu Aug 03 2000 - 18:08:40 BST