DELL C1100 ユーザーズマニュアル

Troubleshooting Your System

13 Replace processor 1 with processor 2. See "Installing the Processor" on 

14 Repeat step 9 through step 11.

If you have tested both the processors and the problem persists, the system 

board is faulty. See "Getting Help" on page 123.

Most PCI devices can share an IRQ with another device, but they cannot use 

an IRQ simultaneously. To avoid this type of conflict, see the documentation 

for each PCI device for specific IRQ requirements.

IRQ0

System timer

IRQ8

Real-time clock

IRQ1

Keyboard controller IRQ9

ACPI functions 

(used for power 

management)

IRQ2

Interrupt controller 

1 to enable IRQ8 

through IRQ15

IRQ10

Available

IRQ3

Default for COM2 IRQ11

Available

IRQ4

Default for COM1 IRQ12

Available

IRQ5

Remote access 

controller

IRQ13

Math coprocessor

IRQ6

Reserved

IRQ14

IDE CD drive 

controller

IRQ7

Reserved

IRQ15

Available

book.book  Page 113  Tuesday, February 26, 2013  11:33 AM