HP pavilion tx2000 Service Manual

IRQ0

System timer

IRQ1

Standard 101-/102-Key or Microsoft® Natural Keyboard

IRQ2

Cascaded

IRQ3

USB2 Enhanced Host Controller—24CD

IRQ4

COM1

IRQ5*

Conexant AC—SMBus Controller—24C3 Data Fax Modem with SmartCP

IRQ6

Diskette drive

IRQ7*

Parallel port

IRQ8

System CMOS/real-time clock

IRQ9*

Microsoft ACPI-compliant system

IRQ10*

USB UHCI controller—24C2

Graphic Controller

Realtek RTL8139 Family PCI Fast Ethernet Controller

IRQ11

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.

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.

80 Chapter 6   Specifications