16 Jan
2017
16 Jan
'17
12:36 p.m.
From: Lars Brinkhoff
> like the Chess Machine, it was a special purpose
CPU hung off the AI
> PDP-10. (Or maybe the Chess Machine was attached to MC? I forget.)
It's also possible that it was connected to AI at one point, and MC later on.
I have this bit set about being told that when it was competing in some chess
tournament, they disabled logins (and I have this bit set that it was on MC,
since it was the fastest machine) so that they'd get the best performance.
But it's all foggy at this point.
I'm pretty sure that CHEOPS and CONS were in the same room (not in the raised
floor area of the 9th floor) at one point, but again, don't rely too heavily
on that memory. And I think the first CADR was in there too, while they were
debugging it - I remember one evening watching over Dave Moon's shoulder in
the room next door, while they tried to get the first CADR running.
Would that Chess Machine be the one called CHEOPS?
Yes, that's it.
I'll take this opportutity to ask what CAIOS was?
It seems intimately
related to Chaosnet. Maybe an earlier name for Chaos
Yeah, that rings a bell, vaguely.
Where did you find a referece too it? I just did a Google search, no luck.
Noel
16 Jan
16 Jan
1:44 p.m.
Noel Chiappa wrote:
There is just about only one reference online:
http://voltaire.nfshost.com/transfer/sysdoc-chaord.txt
The messages transmitted through the ether (or CAIOS) net consist of
a packet followed by a three-word trailer
[...]
The reason this stuff is in a trailer rather than a leader is that
the caiosnet hardware actually transmits the packet backwards.
[...]
This protocol is intended mainly for communication between the
plasma physics pdp11 in bldg. 38 and a pdp11 in 545, until the
caiosnet gets extended that far (or a longer-distance, lower-speed
caiosnet is extended to various machines off in that direction.)
The ITS file SYSTEM; ITSDEV 974 mentions it:
SUBTTL INTERFACE (?) TO DM PDP11 ON NTY (REALLY WANT A CAIOS)
Something called the "KANSAS dump" has a lot of Lisp Machine files.
One of which says
The initial phase of the LISP Machine Project, that of constructing
a prototype operational system, is rapidly nearing completion.
Current plans call for a complete skeletal system to exist by the
end of 1976.
[...]
The CAIOS net (or MACNET or ETHERNET as you prefer) is making slow
but fairly steady progress. Recently, the cable has been ordered
and is in house, and connectors have been decided upon (always a
sticky issue). Breadboard cable drivers and receivers have been
constructed and the prototype interface board made operational. We
expect initial CAOIS net operation to occur by March 1977.
http://www.unlambda.com/download/mit/kansas-orig.tar.gz
I'll take
this opportutity to ask what CAIOS was? It seems
intimately related to Chaosnet. Maybe an earlier name for Chaos
Yeah, that rings a bell, vaguely. Where did you find a referece too
it? I just did a Google search, no luck.
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jnc＠mercury.lcs.mit.edu -
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