Longshine GFT150 Ver.2.0 User Manual

Page 65

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65

B.

Interrupt Request Lines ( IRQ )

There are a total of 15 IRQ lines available on the Industrial CPU Card. Peripheral

devices use interrupt request lines to notify CPU for the service required. The

following table shows the IRQ used by the devices on the Industrial CPU Card.

Level

Function

IRQ0

System Timer

IRQ1

Keyboard

IRQ3

Serial Port#2

IRQ4

Serial Port#1

IRQ5

Reserved

IRQ6

Reserved

IRQ7

Parallel Port#1

IRQ8

Real Time Clock

IRQ9

ACPI

IRQ10

Serial Port#4 & Serial Port#6

IRQ11

Serial Port#3 & Serial Port#5

IRQ12

PS/2 Mouse

IRQ13

Reserved

IRQ14

Primary IDE

IRQ15

Secondary IDE

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