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I was taking some photos of boards from a 3600-series
Symbolics
Lisp Machine
from the collection of the
RCS/RI,
and was amused to see this.
It's fascinating to be able to see logical components of a CPU,
what are now microscopic regions of a chip, with the naked eye.
These are the adder and multiplier units on the (optional)
Floating Point Acceleration board:
The chips themselves were made by
Weitek
The complete CPU is made up of several boards. This shows
the CPU (Data Path & Sequencer), front-end processor,
memory interface, memory, and the interface boards to a
Connection Machine
supercomputer. (The ultimate peripheral!)
And the Data Path board, close-up:
And the computer as a whole (this is a single-user workstation!).
From the top - front panel, card cage, blower (cooling),
Fujitsu Eagle
(hard drive):
When first powered up, the front panel display:
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