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D.3 irq mapping table, D.4 dma channel assignments – IEI Integration NANO-9453 v1.0 User Manual

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NANO-9453 EPIC Motherboard

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D.3 IRQ Mapping Table

IRQ0

System Timer IRQ8

RTC clock

IRQ1 Keyboard

IRQ9

ACPI

IRQ2 Available

IRQ10

LAN/COM4

IRQ3 COM2

IRQ11 LAN/USB2.0/SATA

IRQ4 COM1

IRQ12

PS/2 mouse

IRQ5 SMBus

Controller IRQ13

FPU

IRQ6 FDC

IRQ14

Primary IDE

IRQ7 Available

IRQ15

Secondary IDE

Table D-3: IRQ Mapping Table

D.4 DMA Channel Assignments

Channel

Function

0 Available

1 Available

2

Floppy disk (8-bit transfer)

3 Available

4

Cascade for DMA controller 1

5 Available

6 Available

7 Available

Table D-4: IRQ Mapping Table