User`s manual

SBC86831 Series All-In-One Mini ITX Board User’s Manual
Hardware Description
40
3.4 I/O Port Address Map
The Intel
®
Yonah & Merom Core
TM
2 Duo, Core
TM
Duo, and Core
TM
Solo CPUs can communicate via I/O ports. There are total 1KB port
addresses available for assignment to other devices via I/O expansion
cards.
Address Devices
000-00F DMA controller
020-021 Programmable interrupt controller
02E-02F Super I/O 1
040-043 System timer
04E-4F Super I/O 2
060,064 Keyboard controller
061 System speaker
070-073 System CMOS/Real time clock
080-090 DMA controller
094-09F DMA controller
0A0-0A1 Programmable interrupt controller
0C0-0DF DMA controller
0F0-0FF Numeric data processor
170-177 Secondary IDE Channel
1F0-1F7 Primary IDE Channel
274-277 ISAPNP Read Data Port
279 ISAPNP Read Data Port
2E8-2EF Communications Port (COM4)
2F8-2FF Communications Port (COM2)
376 Secondary IDE Channel
378-37F Printer Port (LPT1)
3B0-3BB Mobile Intel® 965 Express Chipset Family
3C0-3DF Mobile Intel® 965 Express Chipset Family
3E8-3EF Communications Port (COM3)
3F0-3F5 Standard floppy disk controller
3F6 Primary IDE Channel
3F7 Standard floppy disk controller
3F8-3FF Communications Port (COM1)