P/N 4412501 - Model B Keyboard Details & Specs

Provided by the ASK Keyboard Part Number Database

IBM 4978 Display Station 122-key Extended Keyboard

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The number used to indicate that this keyboard was a special order or modified from the factory but doesn't count as an entirely new product.
D02056
TypeType
A designation from my own type naming scheme used to categorise this keyboard with or from others by their common features and market intent but may/may not be derived from official names.
Model B 4978 Extended Keyboard
NicknameNickname
A [keyboard enthusiast] community given name for this keyboard. It can be a shortening of its name and properties, a more abstract term, a real-life reference, or metonymy.
Beamship
OEMOEM
Possible companies responsible for making this keyboard for the company marketing it.
IBM Canada
Key-switchesKey-switches
The name of the known switching mechanism that lies under this keyboard's keys.
IBM beam springs
Earliest AppearanceEarliest Appearance
The year (and possibly the quarter) that this keyboard part number was introduced, first observed, first recorded or the first example found.
1978
Original KeycapsOriginal Keycaps
The keyboard's original keycaps' material and text/symbol printing technique.
SAN with double-shot legends
Casing ColourCasing Colour
The original colour of this keyboard's outer casing. For keyboards whose casing materials are known to yellow, this will refer to the original colour before such transformation occurs.
Pearl White
BrandingBranding
The possible branding and logo styles found on this keyboard part number. This could be multiple styles at once or possible styles found over time.
IBM silver square badge
FeetFeet
The style of this keyboard's flip-out or extendable feet. If applicable, this may also state how many levels of height adjustment are available and whether the feet could be rubberised.
None
ConnectionConnection
The keyboard-to-host connection. This is could be a description of a cable (its colour, whether its coiled, whether its detachable, and what connector is at its end) or the name of a wireless technology.
Grey straightened-style fixed DB-25 cable
Key CountKey Count
The number of keys that this keyboard originally had.
122
Earliest Recorded PriceEarliest Recorded Price
The earliest price, currency and year of record found for this keyboard part number.
$1030 in 1984
Additional NotesAdditional Notes
Extra notes about this keyboard that may be of interest or are important to know.
Feature number 4412533
Source(s)Source(s)
Documents ("Doc"), websites and/or webpages ("Web") that were used as a source of information for this keyboard part number. Examples of this keyboard part number I own ("ASK") will also be included as sources.
Doc: IBM Series/1 System Summary (#GA34-0035-6) [source: bitsavers]
Web: https://www.flickr.com/photos/142937728@N05/47007500141/in/album-72157676285370487/
Web: https://deskthority.net/viewtopic.php?t=16725
Web: https://sharktastica.co.uk/resources/docs/pdf/IBM_noid_scm-hardware-prices_1984_bitsavers.pdf
Data Last Updated 2022-12-01

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