I've been looking over the 4.3BSD Tahoe and Reno distributions
available in the PUPS archive, and have (what I hope) is a rather
simple question:
What is the "Tahoe"?
It seems - based on the documentation supplied in the Tahoe-specific
installation docs - that "Tahoe" generically refers to any of several
VERSAbus machines in the Berkeley EECS department.
The CCI (Computer Consoles Inc.) Power 6/32 is frequently mentioned
as the CPU, but the Harris HCX-7, the Unisys 7000/40, and ICL Clan 7
are also mentioned. Are these all the same architecture
and instruction set, or are they different? How was the CPU implemented -
on a chip? On a chipset? On a board? On multiple boards?
The information regarding peripherals is a bit clearer. There
appear to be many different supported VERSABus SMD-drive controllers
and at least one supported VERSABus 9-track controller.
Are any of the Berkeley EECS Tahoe machines still up and running?
How many were there? How many were outside Berkeley?
Tim. (shoppa(a)trailing-edge.com)
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