Cray module page 1

This artifact is a relic from Seymour Cray's attempt to build a multiprocessor Gallium Arsenide based
supercomputer in the mid 1980's.

The project was started by Cray Research (who built the famous Cray-1), and was transferred to the Cray
Computer Corporation before ultimately failing in the mid 1990's.

This little object may not look all that special, but is actually a most extraordinary work of creativity and
electronic art. It reminds me of the Sutton Hoo Gold artifacts; they exist, but nobody really knows how they
were made. So if you are curious as to how Mr. Gray could make a four cubic inch computer module
containing over a thousand L.S.I. Gallium Arsenide chips, well over a hundred thousand connections, and
used a kilowatt of power, please read on.

Included in these pages are images of my own example, a discussion of the truly remarkable technology
used in its manufacture, and various transcribed texts from the original patent documentation.