User`s manual

STX88831 STX Evaluation Platform Module Series User’s Manual
Hardware Description
20
3.4 I/O Port Address Map
There are total 1KB port addresses (under OS WinXP) available for
assignment to other devices via I/O expansion cards.
Address Devices
0000-000F
0081-0083
0087
0089-008B
008F
00C0-00DF
Direct Memory Access controller
0000-0CF7
0D00-FFFF
PCI Bus
0020-0021
00A0-00A1
Interrupt controller
0040-0043 System timer
0060
0064
Standard 101/102 Key or Microsoft Natural
PS/2 Keyboard
0061 System speaker
0070-0071 System CMOS/Real time clock
0274-0277
0279
0A79
ISAPNP Read Data Port
02F8-02FF Communications Port (COM2)
0378-037F Printer Port (LPT1)
03B0-03BB
03C0-03DF
DC80-DC87
Mobile Intel® 945 Express Chipset Family
03F8-03FF Communications Port (COM1)
0400-041F Intel® 82801G (ICH7 Family) SMBus
Controller
DC00-DC1F Intel® 82801G (ICH7 Family) USB Universal
Host Controller