Ideas for a simple, but somewhat extendable computer bus

Toby Thain toby at
Fri Nov 17 20:42:45 CST 2017

On 2017-11-17 8:55 PM, Jon Elson via cctalk wrote:
> On 11/17/2017 07:34 PM, Jim Brain via cctalk wrote:
>> On 11/17/2017 7:25 PM, Paul Koning wrote:
>>> One key question is whether it should be asynchronous, as the Unibus
>>> is, or synchronous.
>> I thought synchronous would make for a smaller/simpler design, but
>> could be wrong.
>>> A synchronous version of the Unibus would be quite easy; all the
>>> ...
>> It does not have to be fast.  I rather thought, "what is the simplest
>> multi-cpu shared bus that could be easily understood by folks and
>> allow them to focus on multi-processing education, not bus understanding"
>> Jim
> You might also take a look at Multibus and VME, if you just want to see
> how others did it.

For a nice survey of buses, including those two: "Digital Bus Handbook",
Joseph di Giacomo.

> Jon

More information about the cctalk mailing list