HP CQ61-327SF, CQ61-313AX manual System interrupt specifications, System I/O address specifications

		Specifications
System interrupt specifications
	Hardware IRQ	System function
	IRQ1	Standard 101-/102-Key or Microsoft Natural PS/2 Keyboard with HP QLB
	IRQ4	ITE consumer infrared (CIR) receiver
	IRQ12	Synaptics PS/2 Port TouchPad
	IRQ13	Numeric data processor
	IRQ14	ATA channel 0
	IRQ15	ATA channel 1
	IRQ16	High-definition audio controller
	IRQ16	Standard OpenHCD USB host controller
	IRQ16	Standard OpenHCD USB host controller
	IRQ17	SDA standard compliant SD host controller
	IRQ17	Standard enhanced PCI to USB host controller
	IRQ18	Standard OpenHCD USB host controller
	IRQ18	Standard OpenHCD USB host controller
	IRQ18	WLAN adapter
	IRQ19	High-definition audio controller
	IRQ19	Realtek RTL8103 Family PCI-E 10/100 Ethernet NIC (NDIS 6.0)
	IRQ19	Standard enhanced PCI to USB host controller
	IRQ22	Standard AHCI 1.0 serial ATA controller
	IRQ23	G-sensor

✎ This table contains default values. The actual resource allocation is determined by the operating system.

System I/O address specifications

I/O address (hex)		System function (shipping configuration)
000	- 00F	Direct memory access controller
000	- CF7	PCI bus
010	- 01F	Motherboard resources
020	- 021	Programmable interrupt controller
02E - 02F		Motherboard resources
040	- 043	System timer
060	- 060	Standard 101-/102-Key or Microsoft Natural PS/2 Keyboard with HP QLB
061	- 061	System speaker
062	- 062	Microsoft ACPI-compliant embedded controller
064	- 064	Standard 101-/102-Key or Microsoft Natural PS/2 Keyboard with HP QLB
066	- 066	Microsoft ACPI-compliant embedded controller
070	- 071	System CMOS/real-time clock

(Continued)

Maintenance and Service Guide 6–7