System interrupt specifications

Hardware IRQ

System function

 

 

IRQ0

System timer

 

 

IRQ1

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

 

 

IRQ2

Cascaded

 

 

IRQ3

Intel 82801DB/DBM USB2 Enhanced Host Controller—24CD

 

 

IRQ4

COM1

 

 

IRQ5*

Conexant AC—Link Audio Intel 82801DB/DBM 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*

Intel USB UHCI controller—24C2

 

Intel 82852/82855 GM/GME Graphic Controller

 

Realtek RTL8139 Family PCI Fast Ethernet Controller

 

 

IRQ11

Intel USB EHCI controller—24CD

 

Intel USB UHCI controller—24C4

 

Intel USB UHCI controller—24C7

 

Intel 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.

System interrupt specifications 93

Page 101
Image 101
HP C730BR, C721TU, C725BR, C718TU, C720BR, C717TU, C717NR, C713NR System interrupt specifications, Hardware IRQ System function

C758LA, C731XX, C707LA, C768LA, C730T specifications

HP has long been recognized as a pioneer in the realm of technological innovation, and the various models within the HP series, including the C768TU, C760T, C735TU, C776TU, and C777CL, exemplify this legacy. Each of these laptops offers a unique blend of features and technologies, tailored to meet the diverse needs of users, whether they are students, professionals, or casual users.

The HP C768TU stands out with its sleek design and lightweight frame, making it highly portable for those on the go. It is equipped with an Intel processor, which provides reliable performance for everyday computing tasks, while the vibrant display delivers clear visuals, making it ideal for multimedia consumption.

On the other hand, the HP C760T is designed with a focus on enhanced security features. It includes HP’s Secure Boot technology, which helps protect the system against malware at the startup level. This model also boasts an impressive battery life, ensuring that users can work for extended periods without needing to recharge frequently.

The HP C735TU is tailored for users who need a balance of power and efficiency. Its energy-efficient processor allows for longer battery life while maintaining robust performance for multitasking and running more demanding applications. Additionally, its high-definition display ensures that every image and video appears crisp and clear.

Meanwhile, the HP C776TU is designed with a focus on connectivity. It comes with multiple USB ports, an HDMI output, and wireless technology that facilitates quick and easy connections to other devices. This model is especially beneficial for users who engage in collaborative work and require seamless file sharing.

Lastly, the HP C777CL offers a premium experience with its superior build quality and enhanced performance capabilities. It features a high-resolution display that is perfect for creative professionals, alongside enhanced audio technology that delivers exceptional sound quality for video conferencing and entertainment purposes.

All five models feature HP’s signature durability, ensuring that they can withstand the wear and tear of daily use. With a range of configurations and designs, the HP C768TU, C760T, C735TU, C776TU, and C777CL provide users with options that cater to their specific needs, making HP a versatile choice in today’s competitive laptop market. Whether for work, study, or leisure, these models embody the commitment to quality and innovation that HP is known for.