1409 INT 14 - FOSSIL - PURGE OUTPUT BUFFER THROWING AWAY ALL PENDING OUTPUT
1409 INT 14 - MultiDOS Plus IODRV - RESET PORT STATUS
1409 INT 14 - Digiboard DigiCHANNEL PC/X* - CLEAR BUFFERS
1409 INT 14 - MBBIOS - GET/SET OPTIONS
1409 INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - RESET I/O BUFFER POINTERS
1409--DXFFFF INT 14 - Connection Manager - SEND BREAK