IBM Plug Board
YEAR: 1966
ITEM: Computer Card/Part
COMPANY: IBM
COUNTRY: USA
IN OUR COLLECTION: Yes
Small (12 3/4" x 11") plug board type 912. IBM made many types of wiring panels but we could not find much on this. One article from 1967 lists the Type 912 among several other wiring panels...901, 911, and 917.1 It was listed as being needed for either the IBM 1401 and/or the IBM 1620 computers in a college program.
This wiring panel came pre-programmed with 115 wires but it will take someone more experienced than I to figure out what it was set up to do.
Oddly enough, just below the list of wiring panels was a list of Miscellaneous Equipment and it included three Friden Flexowriters, and a MINIVAC 601 both of which are in our collection.
The date is a guess. We know they were in use by the mid-1960s but it might be much earlier.
1EDUCATIONAL DATA PROCESSING: A CURRICULAR ANALYSIS WITH THE ORANGE COAST COLLEGE PROGRAM IN PERSPECTIVE, Bernard Ruskin, March 1967. See article here
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Documents
Documents for this item have not yet been scanned or not yet posted. There are a lot of pages...contact us if you have an immediate need. (Although there are not a lot of "immediate needs" for a 70+ year old computer!)
OUR DEFINITIONS OF RARITY
One of a Kind: Only known existing item.
Exceedingly Rare: Only 2 to 10 known to exist.
Very Rare: Only 11 to 25 are known to exist.
Rare: Only 26 to 50 are known to exist.
Difficult: Difficult to find.
Available:Can be commonly be purchased.
Unknown: We cannot make a determination.
(For comparison: Many people consider the Apple-1 computer to be rare. As of 2025 there are 92 confirmed and probable Apple-1 computers.)
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