4F INT 4F - Z100 - Slave 8259 - S100 vectored line 7
4F INT 4F - TI Professional PC - SYSTEM CONFIGURATION CALL
4F0081 INT 4F - ATA Software Programming Interface (ATASPI) - SEND ATASPI REQUEST
4F0082CX8765 INT 4F - ATA Software Programming Interface (ATASPI) - INSTALLATION CHECK
4F8100 INT 4F - Common Access Method SCSI interface rev 2.3 - SEND CCB TO XPT/SIM
4F8200CX8765 INT 4F - Common Access Method SCSI interface rev 2.3 - INSTALLATION CHECK