INT 4B - IBM SCSI interface; Virtual DMA Specification (VDS)
INT 4C - Z100/Acorn/TI
INT 4D - Z100
INT 4E - TI/Z100
INT 4F - Common Access Method SCSI
INT 50 - IRQ0 relocated by software
INT 51 - IRQ1 relocated by software
INT 52 - IRQ2 relocated by software
INT 53 - IRQ3 relocated by software
INT 54 - IRQ4 relocated by software
INT 55 - IRQ5 relocated by software
INT 56 - IRQ6 relocated by software
INT 57 - IRQ7 relocated by software
INT 58 - IRQ8/0 relocated by software
INT 59 - IRQ9/1 relocated by software; GSS Computer Graphics Interface
INT 5A - IRQ10/2 relocated by software
INT 5B - IRQ11/3 relocated by software; Network
INT 5C - IRQ12/4 relocated by software; Network Interface
INT 5D - IRQ13/5 relocated by software
INT 5E - IRQ14/6 relocated by software
INT 5F - IRQ15/7 relocated by software; HP 95LX GRAPHICS PRIMITIVES
INT 60 - reserved for user interrupt; multiple purposes
INT 61 - reserved for user interrupt; multiple purposes
INT 62 - reserved for user interrupt; multiple purposes
INT 63 - reserved for user interrupt; multiple purposes
