47 INT 47 - Z100 - Master 8259 - Printer 47 INT 47 - TI Professional PC - IRQ7 - KEYBOARD USART 47 INT 47 - Acorn BBC Master 512 - "OSWRCH" - WRITE CHARACTER TO CUR OUTPUT STREAM 47 INT 47 - Western Digital WD1002-27X SuperBIOS - INT 40 CASCADE 478000 INT 47 - SQL Base - DATABASE ENGINE API 478001 INT 47 - SQL Base - GET VERSION NUMBER