Technical Reference Guide
Compaq Personal Computers
Changed –- July 2000
C-15
 
 
Table C-2. Keyboard Scan Codes  (Continued)
Key 
Pos.
 
Legend
 
Mode 1 
 
Mode 2 
 
Mode 3 
Btn 1  [8]  E0 1E/E0 9E  E0 1C/E0 F0 1C  95/F0 95 
Btn 2  [8]  E0 26/E0 A6  E0 4B/E0 F0 4B  9C/F0 9C 
Btn 3  [8]  E0 25/E0 A5  E0 42/E0 F0 42  9D/F0 9D 
Btn 4  [8]  E0 23/E0 A3  E0 33/E0 F0 33  9A/F0 9A 
Btn 5  [8]  E0 21/E0 A1  E0 2B/E0 F0 2B  99/F0 99 
Btn 6  [8]  E0 12/E0 92  E0 24/E0 F0 24  96/F0 96 
Btn 7  [8]  E0 32/E0 B2  E0 3A/E0 F0 3A  97/F0 97 
Btn 1  [9]  E0 23/E0 A3  E0 33/E0 F0 33  9A/F0 9A 
Btn 2  [9]  E0 1F/E0 9F  E0 1B/E0 F0 1B  80/F0 80 
Btn 3  [9]  E0 1A/E0 9A  E0 54/E0 F0 54  99/F0 99 
Btn 4  [9]  E0 1E/E0 9E  E0 1C/E0 F0 1C  95/F0 95 
Btn 5  [9]  E0 13/E0 93  E0 2D/E0 F0 2D  0C/F0 0C 
Btn 6  [9]  E0 14/E0 94  E0 2C/E0 F0 2C  9D/F0 9D 
Btn 7  [9]  E0 15/E0 95  E0 35/E0 F0 35  96/F0 96 
Btn 8  [9]  E0 1B/E0 9B  E0 5B/E0 F0 5B  97/F0 97 
NOTES: 
    All codes assume Shift, Ctrl, and Alt keys inactive unless otherwise noted. 
NA = Not applicable 
[1] Shift (left) key active.  
[2] Ctrl key active. 
[3] Alt key active. 
[4] Left Shift key active. For active right Shift key, substitute AA/2A make/break codes for B6/36 
codes.  
[5] Left Shift key active. For active right Shift key, substitute F0 12/12 make/break codes  
      for F0 59/59  codes. 
[6] Num Lock key active. 
[7] Windows keyboards only. 
[8] 7-Button Easy Access keyboard. 
[9] 8-Button Easy Access keyboard. 
 
 
Make / Break Codes (Hex)