IBM PC - Hardware - Keyboards - 1501100 Keyboard (1501100) The 83-keys PC/XT keyboard with mechanical buckling spring switches and replaceable key caps. Also known as: IBM PC Keyboard, PC/XT Keyboard, Model F Keyboard, Buckling Spring Keyboard, 83-keys Keyboard Item number: 1501100 Announcement date: 1981-08-12 Availability date: 1981-08-12 Announcement letter: 281-65 THE IBM PERSONAL COMPUTER Number of keys: 83 Physical connector: 5-pin, 180 degree, DIN 41524 Data protocol: PC/XT Keyboard Depth: 200 mm (8") Length: 500 mm (20") Height: 57 mm (2.5") Weight: 2.8 kg (6 lbs) From the announcement: The Keyboard is attached to the System Unit with a six foot coiled cable, permitting adaptation to a variety of work environments. The 83-key keyboard, with an adjustable typing angle, offers commonly-used data and word processing functions in a design that combines the familiar typewriter and calculator pad layouts. All non-control keys are typamatic (repeating). Ten program-supported function keys (total of 40 possible functions using keyboard shift keys) are standard. Special symbols, such as those used to draw lines, may be accessed with a combination of keys. Depending on the application program, from ten to forty special function keys may be supported. Other keys, like those used to print the current screen contents, correct a typing error, or "scroll" a long document, are clearly labeled. Access to all 256 characters (ASCII and special) is provided by use of the ALT key. On compatibility with the IBM AT: This keyboard is not compatible with the IBM AT. For the IBM AT, the same keyboard physical connector was used, but different data protocol. Several other companies produced keyboards with the switch "PC/XT - AT". Page created: 2021-08-11 Page last updated: 2023-10-02