P/N 4941989 - Model B Keyboard Details & Specs
Provided by the ASK Keyboard Part Number Database
Known Assembly Part NumbersKnown Assembly Part Numbers Possible numbers found inside this keyboard used to indicate its internal assembly and the keycaps on it. |
1755749 |
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 3251/3276/3278/3279/8775 87-key Base Keyboard (327X-87 type Model B) |
OEMOEM Possible companies responsible for making this keyboard for the company marketing it. |
IBM |
KeyswitchesKeyswitches 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. |
1979 Q3 |
Original KeycapsOriginal Keycaps The keyboard's original keycaps' material and text/symbol printing technique. |
SAN with double-shot legends (w/ possible pad-printed front-printed legends) |
Cover ColourCover Colour The original colour of this keyboard's cover set (outer casing). For keyboards whose cover set 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. |
None |
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. |
Black straightened-style fixed DB-25 cable |
Key CountKey Count The number of keys that this keyboard originally had. |
87 |
Layout/LanguageLayout/Language The original regional/language layout this keyboard was configured as. Both the language and the standardised key layout may be listed, and in the case of both being known or defined, it will be styled as language then standard. |
Italy; APL |
Accessories & Other FeaturesAccessories & Other Features Other notable features you may want to know about such as charging cables (if keyboard is wireless), fingerprint reader, card reader, solenoid, DIP switches, etc. |
Clicker assembly (internal solenoid) Compartment for host computer's/terminal's guide |
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 3270 Information Display System 3276/3278 Keyboard Assembly Parts Catalog (#S126-0029-0) [source: bitsavers] |
Related Directory EntriesRelated Directory Entries Possible ASK Keyboard Directory entries that relate to this part number. The Directory serves as a convenient way to find and share a particular keyboard, containing links to where to find out more about the keyboard and sometimes common part numbers. |
IBM 3276/3278/3279 Display Station 87-key Typewriter/APL Keyboard |
Data Last Updated | 2023-12-27 |