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APPENDIX
62 IB915 User’s Manual
Appendix
A. I/O Port Address Map
Each peripheral device in the system is assigned a set of I/O port
addresses which also becomes the identity of the device. The following
table lists the I/O port addresses used.
Address Device Description
0000h-0CF7h PCI Express Root Complex
0040h-0043h System timer
0070h-0070h System CMOS/real time clock
02E8h-02EFh Fintek Communications Port (COM4)
02F8h-02FFh Fintek Communications Port (COM2)
03E8h-03EFh Fintek Communications Port (COM3)
03F8h-03FFh Fintek Communications Port (COM1)
03B0h-03BBh Intel(R) HD Graphics 520
03C0h-03DFh Intel(R) HD Graphics 520
0D00h-FFFFh PCI Express Root Complex