C.3 irq mapping table, C.4 dma channel assignments – IEI Integration IEM-LX v1.10 User Manual

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IEM-LX-800 ETX CPU Module

Page 127

C.3 IRQ Mapping Table

IRQ0

System Timer IRQ8

RTC clock

IRQ1

Keyboard

IRQ9

ACPI

IRQ2

Available

IRQ10

LAN

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 C-3: IRQ Mapping Table

C.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 C-4: IRQ Mapping Table

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