Apple 1

Jim Manley jim.manley at
Sun Jun 14 23:35:41 CDT 2020

Starting in 1987, future Mac product circuitry and VLSI designs were run on
a Cray X-MP/48 for hardware and software simulations under Unicos Cray’s
licensed version of Unix System V:  Apple was the first company that Cray
allowed to access their Network Systems Corporation (Minneapolis) developed
high-speed channel, operating at 850Mbits per second, which Cray called its
HSX channel.

On Sun, Jun 14, 2020 at 8:16 PM Ethan O'Toole via cctalk <
cctalk at> wrote:

> > He didn't know of anyone doing much other with it either.  I think it
> was
> > bought before there was a unix type OS under the Macos.
> > thanks
> > Jim
> They bought it to use to design the next Macintosh CPU I thought (break
> away from the 68000 but never did), but that page talks about electronics
> layout.
>                 - Ethan

More information about the cctalk mailing list