> Not entirely.  The crossbar switch was something developed by DEC, and
> I'm pretty sure that Compaq just inherited it in the purchase.  But I
> don't doubt that the same performance is achieved elsewhere, whether by
> the same means or not.
	I belive my 1984 copy of Kai Hwang's "Computer Architecture and Parallel Processing" mentions crossbar switches, in the contex of the best (and most expensive) way to build a system bus. I don't recall it being particular to any manufacturer.

Carl Soderstrom
-------------------------------------------------------
Network Engineer
Real-Time Enterprises
(612) 943-8700

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