HP Tx2-1370us HP TouchSmart tx2 Notebook PC - Maintenance and Service Guide - Page 86
System interrupt specifications
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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 USB2 Enhanced Host Controller-24CD COM1 Conexant AC-SMBus Controller-24C3 Data Fax Modem with SmartCP Diskette drive Parallel port System CMOS/real-time clock IRQ9* IRQ10* Microsoft ACPI-compliant system USB UHCI controller-24C2 Graphic Controller IRQ11 Realtek RTL8139 Family PCI Fast Ethernet Controller USB EHCI controller-24CD USB UHCI controller-24C4 USB UHCI controller-24C7 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. 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. 78 Chapter 6 Specifications