Keyboard 101- and 102-Key. PS/2 Hardware Interface Technical Reference(PDF). IBM. 1990-10: 19 [2015-08-29]. (原始内容(PDF)存档于2020-12-04) (德语). Except for the Pause key, all keys are make/break.
Keyboard 101- and 102-Key. PS/2 Hardware Interface Technical Reference(PDF). IBM. 1990-10: 19 [2015-08-29]. (原始内容(PDF)存档于2020-12-04) (德语). Except for the Pause key, all keys are make/break.