P/N 1742701 - Model B Keyboard Details & Specs

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Provided by the ASK Keyboard Part Number Database

There are multiple keyboards in the ASK Keyboard Part Number Database that use the current specified part number as their highest level of identification. All possible keyboards will be shown, sorted by ascending earliest appearance.

IBM 3276/3278 Display Station 75-key Data Entry Keyboard

CSA part numbers	1645102
Type	Model B 3251/3276/3278/3279/8775 75-key Base Keyboard (327X-75 type Model B)
Known host systems	IBM 3276 Control Unit Display Station (IBM 3270 family) IBM 3278 Display Station (IBM 3270 family)
OEMs or ODMs	IBM
Keyswitches	IBM beam springs
Earliest appearance	1979 Q3
Original keycaps	SAN with double-shot legends (w/ possible pad-printed front-printed legends)
Cover colour	Pearl White
Branding	None
Feet	None
Connection	Black straightened-style fixed DB-25 cable
Number of keys	75
Layout & language	3270: Base Data Entry U.S. English - I
Accessories & other features	Clicker assembly Guide access panel(s)
Additional notes	This version of this type of keyboard lacks a numeric lock
Sources	Doc: IBM 3270 Information Display System 3276/3278 Keyboard Assembly Parts Catalog (#S126-0029-0) [source: bitsavers]
Data last updated	1^st February 2025

IBM 3276/3278 Display Station 75-key Data Entry Keyboard

CSA part numbers	1645102
Type	Model B 3251/3276/3278/3279/8775 75-key Base Keyboard (327X-75 type Model B)
Known host systems	IBM 3276 Control Unit Display Station (IBM 3270 family) IBM 3278 Display Station (IBM 3270 family)
OEMs or ODMs	IBM
Keyswitches	IBM beam springs
Earliest appearance	1979 Q3
Original keycaps	SAN with double-shot legends (w/ possible pad-printed front-printed legends)
Cover colour	Pearl White
Branding	None
Feet	None
Connection	Black straightened-style fixed DB-25 cable
Number of keys	75
Layout & language	3270: Base Data Entry EBCDIC (World Trade Corporation) - I
Accessories & other features	Clicker assembly Guide access panel(s)
Additional notes	This version of this type of keyboard lacks a numeric lock
Sources	Doc: IBM 3270 Information Display System 3276/3278 Keyboard Assembly Parts Catalog (#S126-0029-0) [source: bitsavers]
Data last updated	27^th December 2023

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