Principles of I/O Hardware


Table 1: Device I/O Port Locations on PCs (Partial).
I/O address range (hexadecimal) Device
000-00F DMA Controller
020-021 Interrupt Controller
040-043 Timer
200-20F Game Controller
2F8-2FF Serial port (secondary)
320-32F Hard disk Controller
378-37F Parallel port
3D0-3DF Graphics Controller
3F0-3F7 Diskette drive Controller
3F8-3FF Serial port (primary)



Subsections
2004-05-02