HP Pavilion dv7 HP Pavilion dv6 Entertainment PC - Maintenance and Service Gui - Page 92

System interrupt specifications

Page 92 highlights

Specifications System interrupt specifications Hardware IRQ System function IRQ0 System timer IRQ1 Standard 101-/102-Key or Microsoft® Natural Keyboard IRQ2 Cascaded IRQ3 Intel 82801DB/DBM USB2 Enhanced Host Controller-24CD IRQ4 COM1 IRQ5* Conexant AC-Link Audio Intel 82801DB/DBM 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* Intel USB UHCI controller-24C2 Intel 82852/82855 GM/GME Graphic Controller Realtek RTL8139 Family PCI Fast Ethernet Controller IRQ11 Intel USB EHCI controller-24CD Intel USB UHCI controller-24C4 Intel USB UHCI controller-24C7 Intel Pro/Wireless 2200BG TI OHCI 1394 host controller TI PCI1410 CardBus controller IRQ12 Synaptics PS/2 TouchPad IRQ13 Numeric data processor IRQ14 Primary IDE channel IRQ15 Secondary IDE channel *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none. ✎ PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4. 6-6 Maintenance and Service Guide

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6–6
Maintenance and Service Guide
Specifications
System interrupt specifications
Hardware IRQ
System function
IRQ0
System timer
IRQ1
Standard 101-/102-Key or Microsoft® Natural Keyboard
IRQ2
Cascaded
IRQ3
Intel 82801DB/DBM USB2 Enhanced Host Controller—24CD
IRQ4
COM1
IRQ5*
Conexant AC—Link Audio Intel 82801DB/DBM 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*
Intel USB UHCI controller—24C2
Intel 82852/82855 GM/GME Graphic Controller
Realtek RTL8139 Family PCI Fast Ethernet Controller
IRQ11
Intel USB EHCI controller—24CD
Intel USB UHCI controller—24C4
Intel USB UHCI controller—24C7
Intel Pro/Wireless 2200BG
TI OHCI 1394 host controller
TI PCI1410 CardBus controller
IRQ12
Synaptics PS/2 TouchPad
IRQ13
Numeric data processor
IRQ14
Primary IDE channel
IRQ15
Secondary IDE channel
*Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none.
PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port
may assert IRQ3 or IRQ4.