Appendix B System Assignments; System I/O Ports - Advantech POD-6552 User Manual

Appendix B System Assignments

B.1 System I/O Ports
Table B.1: System I/O ports
Addr. range (Hex)
00-0F
20-21F
2E-2F
40-5F
60-6F
(60h)
(61h)
(64h)
70-77
78-7F
80
81-8F
90-91
92
93-9F
A0-A1H
C0-DF
E0-FF
100-1EF
170-178
1F0-1F8
200-20F
2E8-2EF
2F8-2FF
378-37F
3C0-3CF
3D0-3DF
3E8-3EF
3F0-3F7
3F8-3FF
778-77A
870-871
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Device
Master DMA controller
Master Interrupt controller
Configuration Index/Data
Timer/Counter
Keyboard controller
KBC Data
Misc Funtions & Spkr Ctrl
KBC Command/Status
RTC/COMS/NMI-Disable
-available for system use-
-reserved-(debug port)
DMA Page Registers
-available for system use-
System Control
-available for system use-
Slave Interrupt Controller
Slave DMA Controller
-available for system use-
-available for system use-
Secondary IDE Control
Primary IDE Control
Game Port
COM4
COM2
Parallel Port(Standard & AFF)
EGA
VGA
COM3
Floppy Controller
COM1
Parallel Port(ECP Extensions)(Port 378+400)
Hardware Monitor
72