Jupiter J12

[Ethan Dicks]

On 4/19/05, Al Kossow <aek at spies.com> wrote:
> Jupiter Systems was a company started by people who originally
> developed the AED 512 graphics
> display (I worked at AED in '84 and '85)

Ah... good to have the reference.
 
> Looking at the pics, the CPU is an Integrated Solutions QBus 68000 CPU
> board.

Thanks for IDing it.  I've occasionally wanted to run across one of
those, mostly because I used to build 68000-based comms cards (which
could take a 68010, but we never did that except with our VAXBI card).
 A COMBOARD isn't suitable for use as a CPU card (it wouldn't be able
to arbitrate interrupts or DMA, it's a peripheral), but it'd be fun to
team up a 68K CPU with a downline-loadable 68K DMA peripheral.  It'd
be easy enough to port Minix to that (I already have the Minix sources
for the Amiga).

The COMBOARD wouldn't handle disks (without a bunch of work), but
_does_ provide two serial ports and a printer port.  That plus some
kind of Qbus mass storage could be a fun little system.

So... if anyone runs across one of these Integrated Solutions CPU
cards (and doesn't already have plans for it), I'd love to hear about
it.

-ethan