HP Presario CQ61-200 Compaq Presario CQ71 Notebook PC and HP G71 Notebook PC - - Page 107
System interrupt specifications, Hardware IRQ, System function
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System interrupt specifications Hardware IRQ System function IRQ0 IRQ1 System timer Standard 101-/102-Key or Microsoft® Natural Keyboard IRQ2 IRQ3 IRQ4 IRQ5* IRQ6 IRQ7* IRQ8 Cascaded Intel 82801DB/DBM USB2 Enhanced Host Controller-24CD COM1 Conexant AC-Link Audio Intel 82801DB/DBM SMBus Controller-24C3 Data Fax Modem with SmartCP Diskette drive Parallel port System CMOS/real-time clock IRQ9* IRQ10* IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 Microsoft ACPI-compliant system Free resource ICH9 SMBus controller Synaptics PS/2 TouchPad Numeric data processor Free resource Free resource IRQ16 USB UHCI controller Micron card reader controller IRQ17 1394 OHCI controller High definition audio controller IRQ18 IRQ19 IRQ20 IRQ21 IRQ22 IRQ23 Ethernet controller USB UHCI controller USB UHCI / EHCI controller SATA controller USB UCHI controller High definition audio controller HP mobile data protection sensor *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none. NOTE: 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. System interrupt specifications 99