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