HP 4415S, 4515S, 4416S manual System interrupt specifications, Windows XP

Hardware IRQ	System function
PCI-3	Intel ICH9 Family PCI Express Root Port 2 - 2942
PCI-4	Intel ICH9 Family PCI Express Root Port 3	- 2944
PCI-5	Intel ICH9 Family PCI Express Root Port 5	- 2948
PCI-6	Intel ICH9 Family PCI Express Root Port 6	- 294A

System interrupt specifications, Windows XP

Hardware IRQ	System function
ISA0	System timer
ISA1	Standard 101-/102-Key or Microsoft Natural Keyboard
ISA8	System CMOS/real-time clock
ISA9	Microsoft ACPI-Compliant System
ISA12	Synaptics PS/2 TouchPad
ISA13	Numeric data processor
ISA23	HP Mobile Data Protection Sensor
PCI16	Intel ICH9 Family USB Universal Host Controller – 2937
PCI16	Mobile Intel 4 Series Express Chipset Family
PCI17	Broadcom 4322AG 802.11a/b/g/draft-n Wi-Fi Adapter
PCI17	Intel ICH9 Family PCI Express Root Port 1 - 2940
PCI17	Intel ICH9 Family PCI Express Root Port 5 - 2948
PCI17	Intel ICH9 Family USB Universal Host Controller – 2938
PCI17	Marvell Yukon 88E8072 PCI-E Gigabit Ethernet Controller
PCI17	Microsoft UAA Bus Driver for High Definition Audio
PCI18	Intel ICH9 Family PCI Express Root Port 3 - 2944
PCI18	Intel ICH9 Family USB Universal Host Controller – 2939
PCI18	Intel ICH9 Family USB Universal Host Controller – 2936
PCI19	Intel ICH9 Family USB2 Enhanced Host Controller – 293C
PCI20	Intel ICH9 Family Universal Host Controller – 2934
PCI20	Intel ICH9 Family USB2 Enhanced Host Controller – 293A
PCI21	ICH9M-E/M SATA AHCI Controller
PCI22	Intel ICH9 Family Universal Host Controller – 2935

System interrupt specifications, Windows XP 131