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- Newsgroups: alt.sys.pdp8
- Path: sparky!uunet!destroyer!sol.ctr.columbia.edu!news.columbia.edu!watsun.cc.columbia.edu!lasner
- From: lasner@watsun.cc.columbia.edu (Charles Lasner)
- Subject: Re: DEC PDP-4
- Message-ID: <1992Nov11.071359.22274@news.columbia.edu>
- Sender: usenet@news.columbia.edu (The Network News)
- Nntp-Posting-Host: watsun.cc.columbia.edu
- Reply-To: lasner@watsun.cc.columbia.edu (Charles Lasner)
- Organization: Columbia University
- References: <1992Nov10.171940.23807@news.uiowa.edu>
- Date: Wed, 11 Nov 1992 07:13:59 GMT
- Lines: 44
-
- I briefly saw a PDP-4 in the Maynard Mill Complex, and it may very well
- be the machine from the picture. It had a Model 28 baudot teletype console,
- and small Alco-type snap switches on the front panel. (Much harder to use
- than later designs such as the PDP-8.)
-
- But some of those captions are confusing: wasn't the PDP-7 not actually
- wire-wrapped, but soldered like the PDP-5, and used Systems Modules? The
- PDP-9 was definitely constructed like the PDP-8, using Gardner-Denver
- automatic wire-wrap equipment, so why would a forerunner be essentially
- the same design?
-
- In any case, DEC has been known to "fake" some of those pictures for the
- add copy. One rather infamous picture of what is alledgedly a PDP-15
- panel actually has an 8/l panel as part of it, and upside-down!
-
- A PDP-12 photo shows something that was never put into production: lettering
- in lower-case on the silk-screen.
-
- I was once shown the room where all the "sexy" cabinets for the early COS-300
- systems were photographed. These cabinets were painted with bright colors,
- and there was even a silly plastic front plate over a TU56 DECtape, as well
- as a modified TU-10 where the drive is low in the cabinet, but has a
- modified control panel made to fit into the top of the lower cabinet. All
- of the machines were places over various fabrics on the floor to achieve a
- "stage presence" or some sort of "office of the future" notion, etc. Some
- of these pictures are often found in early COS-300 manuals or associated
- ad copy.
-
- The level of hype throughout all these ads is consistent with the thread
- about the irrelevance of "flip chips" as a concept, as opposed to the name
- that became applied to the modules, regardless of actual component type.
- Apparently DEC always used the same sort of ad agency, which was obsessed with
- dramatic camera angles, etc., to suggest some sort of futuristic look to all
- of the machines back then.
-
- There's even a funny shot of a KA-10 with a few DECtape drives, implying that
- an extra-large cabinet was the entire PDP-10 system in useful form. Several
- years later, the opposite extreme was achieved, with a poster of a typical
- computer-center-like layout with an aerial view, raised floor, many cabinets,
- and a legend explaining what each cabinet group was used for, etc. A partial
- version of this picture became a back cover for at least one PDP-10 manual.
-
- cjl
-
-