Int E0 - Dr Multiuser Dos - "a_break" - Send Break To Aux Device [O]
CL = B2h
DX = duration of break in system ticks (0001h-FFFFh)
Return: AX = status
0000h successful
break signal completed
FFFFh failed
CX = error code
Notes: if the AUX device is currently owned by another process, this call will
block until the device becomes available
also supported by REAL/32
See Also: INT E0/CL=A5h,INT E0/CL=B1h