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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 on the Industrial CPU Card.
Address
Device Description
000h - 01Fh
DMA Controller #1
020h - 03Fh
Interrupt Controller #1
040h - 05Fh
Timer
060h - 06Fh
Keyboard Controller
070h - 071h
Real Time Clock, NMI
080h - 09Fh
DMA Page Register
0A0h - 0BFh
Interrupt Controller #2
0C0h - 0DFh
DMA Controller #2
0F0h
Clear Math Coprocessor Busy Signal
0F1h Reset
Math
Coprocessor
170h - 17Fh
ATA Channel 1
1F0h - 1FFh
ATA Channel 0
2F8h - 2FFh
Serial Port #2(COM2)
2E8h - 2EFh
Serial Port #2(COM4)
3B0h - 3BFh
Monochrome & Printer adapter
3C0h - 3CFh
EGA adapter
3D0h - 3DFh
CGA adapter
3E8h - 3EFh
Serial Port #2(COM3)
3F8h - 3FFh
Serial Port #1(COM1)
400h - 47Fh
System Board Resource
500h - 53Fh
System Board Resource
600h - 67FH
System Board Resource
CF8h - CFFh
System Board Resource
E000h - EFFfh
LAN Controller
F000h - F0FFh
VGA Controller
F100h - F10Fh
Dual Channel Controller
Summary of Contents for FB2701
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