COM

Floppy Disk

Hard Disk/CD-ROM

Keyboard

Mouse

Music

Networking

Printer/Parallel

Sound

System

Video

COM/Serial

DOS

• 0x21 (see DOS API )

Floppy Disk

• 0x1B

• 0x12

• 0x13

Hard Disk/CD-ROM

Keyboard

• 0x18

Mouse

Printer/Parallel

• 0x1A

Sound BIOS

System

• Clock/Timer - 0x1C

• Memcpy - 0x1F

• PIC - 0x19

Video

• 0x18