B.3 i/o map, I/o map – ADLINK AmITX-IB-I User Manual
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System Resources
B.3 I/O Map
Hex Range
Device
000-00F
DMA controller 1
020-021
Programmable interrupt controller
024-025
Programmable interrupt controller
028-029
Programmable interrupt controller
02C-02D
Programmable interrupt controller
030-031
Programmable interrupt controller
034-035
Programmable interrupt controller
038-039
Programmable interrupt controller
03C-03D
Programmable interrupt controller
040-043
System timer
050-053
System timer
060, 064
8742 equivalent (keyboard)
061
System speaker
070-077
System CMOS/Real time clock
081-091
DMA page register
093-09F
DMA page registers continued
0A0-0B1 and 0B4-0BD
Interrupt controller 2, 8259 equivalent
0C0-0DF
DMA controller 2, 8237A-5 equivalent
0F0-0FF
Math Processor
2E0 – 2E7
Serial Port 5
2E8 – 2EF
Serial Port 4
2F0– 2F7
Serial Port 6
2F8 – 2FF
Serial Port 2
170-177 and 1F0-1F7
376 and 3F6
ATA Channel 0
3B0 – 3BB
Mono/VGA mode video
3C0- 3DF
VGA registers
3E8 – 3EF
Serial Port 3
3F8 – 3FF
Serial Port 1
4D0 and 4D1
Interrupt controller
D00-0FFFF
PCI bus
D000-D0FF
Realtek GBE Controller #2