SOM-6868 User Manual
74
D.1
System I/O Ports
Table D.1: System I/O ports
Addr.Range(Hex)
Device
0000-006F
PCI Express Root Complex
0020-0021
Programmable interrupt controller
0024-0025
Programmable interrupt controller
0028-0029
Programmable interrupt controller
002C-002D
Programmable interrupt controller
0030-0031
Programmable interrupt controller
0034-0035
Programmable interrupt controller
0038-0039
Programmable interrupt controller
003C-003D
Programmable interrupt controller
0040-0043
System timer
004E-004F
Motherboard resources
0050-0053
System timer
0061-0061
Motherboard resources
0062-0062
Microsoft ACPI-Compliant Embedded Controller
0063-0063
Motherboard resources
0065-0065
Motherboard resources
0066-0066
Microsoft ACPI-Compliant Embedded Controller
0067-0067
Motherboard resources
0070-0070
Motherboard resources
0070-0077
System CMOS/real time clock
0078-0CF7
PCI Express Root Complex
0080-008F
Motherboard resources
0092-0092
Motherboard resources
00A0-00A1
Programmable interrupt controller
00A4-00A5
Programmable interrupt controller
00A8-00A9
Programmable interrupt controller
00AC-00AD
Programmable interrupt controller
00B0-00B1
Programmable interrupt controller
00B2-00B3
Motherboard resources
00B4-00B5
Programmable interrupt controller
00B8-00B9
Programmable interrupt controller
00BC-00BD
Programmable interrupt controller
029C-029D
Motherboard resources
02E8-02EF
Communications Port (COM4)
02F8-02FF
Communications Port (COM2)
0378-037F
Printer Port (LPT1)
03E8-03EF
Communications Port (COM3)
03F8-03FF
Communications Port (COM1)
0400-047F
Motherboard resources
04D0-04D1
Programmable interrupt controller
0500-05FE
Motherboard resources
0680-069F
Motherboard resources
0778-077F
Printer Port (LPT1)
Summary of Contents for SOM-6868
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Page 90: ...77 SOM 6868 User Manual Appendix D System Assignments ...