HP special edition l2000 compaq presario v2000 Manuale Di Servizio

Specifications

Maintenance and Service Guide

6–13

Table 6-9

System Interrupts

Hardware IRQ

System Function

IRQ0

System timer

IRQ1

Quick Launch buttons

IRQ2

Cascaded

IRQ3

USB2 Enhanced Host Controller—24CD

IRQ4

COM1

IRQ5*

Conexant AC—Link Audio

SMBus Controller—24C3

Data Fax Modem with SmartCP

IRQ6

Diskette drive

IRQ7*

Parallel port

IRQ8

System CMOS/real-time clock

IRQ9*

Microsoft ACPI-compliant system

IRQ10*

USB UHCI controller—24C2

GM/GME Graphic Controller
Realtek RTL8139 Family PCI fast Ethernet Controller

IRQ11

USB EHCI controller—24CD

USB UHCI controller—24C4
USB UHCI controller—24C7

Pro/Wireless 2200BG

TI OHCI 1394 host controller
TI PCI1410 CardBus controller

*Default configuration

✎

PC Card may assert IRQ3, IRQ4, IRQ5, IRQ7, or IRQ20.