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 INT 15h, 21h (33)       Read or Write POST Error Log                    PS/2
 INT 15h, 40h (64)       Read/Modify Profiles                     Convertible
 INT 15h, 41h (65)       Wait for External Event                  Convertible
 INT 15h, 42h (66)       Request System Power Off                 Convertible
 INT 15h, 43h (67)       Read System Status                       Convertible
 INT 15h, 44h (68)       Activate/Deactivate Modem Power          Convertible
 INT 15h, 4Fh (79)       Keyboard Intercept                              many
 INT 15h, 80h (128)      Device Open                                     many
 INT 15h, 81h (129)      Device Close                                    many
 INT 15h, 82h (130)      Device Program Termination                      many
 INT 15h, 83h (131)      Event Wait                                      many
 INT 15h, 84h (132)      Joystick Support                                many
 INT 15h, 85h (133)      System Request Pressed                          many
 INT 15h, 86h (134)      Wait                                      XT-286, AT
 INT 15h, 87h (135)      Move Block                                XT-286, AT
 INT 15h, 88h (136)      Get extended memory size                  XT-286, AT
 INT 15h, 89h (137)      Switch to Protected Mode                  XT-286, AT
 INT 15h, 90h (138)      Device Busy                                     many
 INT 15h, 91h (139)      Interrupt Complete                              many
 INT 15h, C0h (192)      Return System Configuration                     many
 INT 15h, C1h (193)      Extended BIOS Data Area                         PS/2
 INT 15h, C2h (194)      Mouse Interface                                 PS/2
 INT 15h, C3h (195)      Enable/disable Watchdog Time-Out                PS/2
 INT 15h, C4h (196)      Programmable Option Select (POS)                PS/2