HP CQ41-209TX, CQ41-205TX, CQ41-204TX, CQ41-207TX manual Atheros AR5009 802.11a/g/n WiFi Adapter

Specifications

System interrupt specifications (for models with UMA graphics subsystems)

Hardware IRQ	System function
IRQ1	Standard 101/102-key keyboard or Microsoft Natural PS/2 Keyboard with HP
IRQ12	PS/2 Compatible Mouse
IRQ13	Numeric data processor
IRQ16	High Definition Audio Controller
IRQ16	Standard OpenHCD USB Host Controller
IRQ16	Standard OpenHCD USB Host Controller
IRQ17	PCI standard PCI-to-PCI bridge
IRQ17	Standard Enhanced PCI to USB Host Controller
IRQ18	Atheros AR5009 802.11a/g/n WiFi Adapter
IRQ18	PCI standard PCI-to-PCI bridge
IRQ18	Standard OpenHCD USB Host Controller
IRQ18	Standard OpenHCD USB Host Controller
IRQ19	High Definition Audio Controller
IRQ19	PCI standard PCI-to-PCI bridge
IRQ19	Realtek PCIe FE Family Controller
IRQ19	Standard Enhanced PCI to USB Host Controller
IRQ22	Standard AHCI 1.0 Serial ATA Controller
IRQ81-190	Microsoft ACPI-Compliant System

Maintenance and Service Guide 6–7