Zig-zag timing delays. Cray-1, 1976.
Zig-zag timing delays. Cray-1, 1976.
@StumpyTheMutt Yeah, I was wondering about that. The X-MP was introduced in 1983, so I guess they were making Cray-1's right up to that point.
(Maybe discounted, or with a generous trade-in offer for a later upgrade?)