On Jan 19, 16:24, Brad Parker wrote:
>
> der Mouse wrote:
> ...
> >Once, years ago, I was involved in building a designed-on-the-spot
Qbus
> >board.
>
> Which raises a question I've been meaning to ask.
[...]
> Seems like a 4 layer board with gold fingers would work - the few
boards
> I've handled seemed pretty thick, however. I'm guessing the
thickness
> needs to be correct.
Small variations shouldn't matter. I've not noticed any Unibus boards
being abnormally thick.
> I have not (yet) looked at a unibus card schematic - would be it hard
to
> create a bus master IDE interface?
>
> Is a unibus controller a relatively straight forward TTL design ?
Dunno about the DMA -- probably not hard -- but the rest is
straightforward.
> And, if I did manage to create a realiable IDE interface, would
anyone
> else want one?
For low enough cost, yes, me!
--
Pete Peter Turnbull
Network Manager
University of York
Received on Mon Jan 19 2004 - 16:35:47 GMT