int 4F

Int 4F - Z100 - Slave 8259 - S100 vectored line 7
Int 4F - TI Professional PC - SYSTEM CONFIGURATION CALL
Int 4F/AX=0081h - ATA Software Programming Interface (ATASPI) - SEND ATASPI REQUEST
Int 4F/AX=0082h/CX=8765h - ATA Software Programming Interface (ATASPI) - INSTALLATION CHECK
Int 4F/AX=8100h - Common Access Method SCSI interface rev 2.3 - SEND CCB TO XPT/SIM
Int 4F/AX=8200h/CX=8765h - Common Access Method SCSI interface rev 2.3 - INSTALLATION CHECK

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