System I/O Ports; Interrupt Assignments; B.24 System I/O Ports - Advantech AIMB-701 User Manual

B.24

System I/O Ports

Table B.24: System I/O ports
Addr. range (Hex)
000-01F
020-021
022-023
040-05F
060-06F
070-07F
080-09F
0A0-0BF
0C0-0DF
0F0-0FF
1F0-1F8
290-297
2F8-2FF
378-37F
778-77F
3F8-3FF
C80-C87
C88-C8F
C90-C97
C98-C9F
B.25

Interrupt Assignments

Table B.25: Interrupt assignments
Priority
1
2
3
-
4
5
6
7
8
9
10
11
12
13
14
15
16
Device
DMA controller
Interrupt controller 1, master
Chipset address
8254 timer
8042 (keyboard controller)
Real-time clock, non-maskable interrupt (NMI) mask
DMA page register
Interrupt controller 2
DMA controller
Numeric data processor
Fixed disk
On-board hardware monitor
Serial port2
ECP Printer Port (LPT1)
ECP Printer Port (LPT1)
Serial port 1
Serial port 3
Serial port 4
Serial port 5
Serial port 6
Interrupt# Interrupt source
NMI Parity error detected
IRQ0 Interval timer
IRQ1 Keyboard
IRQ2 Interrupt from controller 2 (cascade)
IRQ8 Real-time clock
IRQ9 Cascaded to INT 0A (IRQ 2)
IRQ10 Serial communication port 5/Serial communication port 6
IRQ11 Ethernet Controller
IRQ12 PS/2 mouse
IRQ13 INT from co-processor
IRQ14 Available
IRQ15 Available
IRQ3 Serial communication port 2
IRQ4 Serial communication port 1
IRQ5 Serial communication port 3/ Serial communication port 4
IRQ6 Available
IRQ7 Parallel port 1 (print port)
85 AIMB-701 User Manual