Appendix, A. i/o port address map – IBASE IB965 User Manual
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APPENDIX
IB965 User’s Manual
71
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 - 001Fh
DMA Controller #1
0020h - 003Fh
Interrupt Controller #1
0040h - 0043h
Timer
0050h - 0053h
Timer
0060h
Keyboard Controller
0064h
Keyboard Controller
0070h - 0077h
Real Time Clock
00A0h - 00BFh
Interrupt Controller #2
00C0h - 00DFh
DMA Controller #2
02E8h - 02EFh
Serial Port #4(COM4)
02F8h - 02FFh
Serial Port #2(COM2)
0378h - 037Fh
Parallel Port #1(LPT1)
03E8h - 03EFFh
Serial Port #3(COM3)
03F8h - 03FFh
Serial Port #1(COM1)
E000h - E01Fh
82583V Gigabit Network
F000h - F03Fh
Graphics adapter Controller
F060h - F07Fh
82579V Gigabit Network