Owner's manual

ManualsBrandsIEI Integration ManualsHardwareROCKY-3786 v4.0

0-15

3

ROCKY-3786EV CPU Card

153

C.3 IRQ Mapping Table

IRQ Description IRQ Description

IRQ0 System Timer IRQ8 RTC clock

IRQ1 Keyboard IRQ9 Avaliable

IRQ2 Cascade to IRQ Controller

IRQ10

AC ’97 CODEC

IRQ3 COM2 IRQ11

Intel 82562ET LAN

IRQ4 COM1 IRQ12

PS/2 mouse

IRQ5 Available IRQ13

FPU

IRQ6 FDC IRQ14

Primary IDE

IRQ7 Parallel Port 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: DMA Channel Assignments