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IB990 User’s Manual
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
0050h-0053h
System timer
0070h-0070h
System CMOS/real time clock
00F0h-00F0h
Numeric data processor
02E8h-02EFh
Communications Port (COM4)
02F8h-02FFh
Communications Port (COM2)
03B0h-03BBh
Intel(R) HD Graphics 530
03C0h-03DFh
Intel(R) HD Graphics 530
03E8h-03EFh
Communications Port (COM3)
03F8h-03FFh
Communications Port (COM1)
0D00h-FFFFh
PCI Express Root Complex
E000h-0E01h
Intel(R) 100 Series/C230 Series Chipset
Family PCI Express Root Port #6 - A115
F000h-F03Fh
Intel(R) HD Graphics 530
F040h-F05Fh
Intel(R) 100 Series/C230 Series Chipset
SMBus - A123
F060h-F07Fh
Standard SATA AHCI Controller
F080h-F083h
Standard SATA AHCI Controller
F090h-F097h
Standard SATA AHCI Controller
F0A0h-F0A7h
Intel(R) Active Management Technology -
SOL (COM5)
