System I/O Ports; Interrupt Assignments; B.21 System I/O Ports - Advantech ASMB-782G2-00A1E User Manual

B.21

System I/O Ports

Table B.22: System I/O ports
Addr. range (Hex)
000-01F
020-021
022-03F
040-05F
060-06F
070-07F
081-09F
0A0-0BF
0C0-0DF
0F0-0FF
A35-A36
2F8-2FF
378-37F
3B0-3BB
3C0-3DF
3F8-3FF
B.22

Interrupt Assignments

Table B.23: Interrupt assignments
Priority
1
2
3
-
4
5
6
7
8
9
10
11
12
13
14
15
16
ASMB-782 User Manual
Device
DMA controller
Interrupt controller 1, programmable interrupt controller
Motherboard resources
8254 timer
8042 (keyboard controller)
Real-time clock, non-maskable interrupt (NMI) mask
DMA page register
Interrupt controller 2, programmable interrupt controller
DMA controller
Numeric data processor
On-board hardware monitor
Serial port 2
Printer port (LPT1)
Intel HD Graphics
Intel HD Graphics
Serial port 1
Interrupt# Interrupt source
NMI Parity error detected
IRQ0 Interval timer
IRQ1 PS/2 Keyboard
IRQ2 Interrupt from controller 2 (cascade)
IRQ8 Real-time clock
IRQ9 Cascaded to INT 0A (IRQ 2)
IRQ10 Intel 7 series/C216 Chipset Family SMBus Host Controller
IRQ11 Available
IRQ12 PS/2 mouse
IRQ13 Numeric data processor
IRQ14 Available
IRQ15 Available
IRQ3 Serial communication port 2
IRQ4 Serial communication port 1
IRQ5 Available
IRQ6 Available
IRQ7 Parallel port 1 (print port)
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