Specifications

 

Table 6-14

 

System Interrupts

 

 

Hardware IRQ

System Function

 

 

IRQ0

System timer

 

 

IRQ1

Keyboard controller

 

 

IRQ2

Cascaded

 

 

IRQ3

COM2

 

 

IRQ4

COM1

 

 

IRQ5

Audio (default)*

 

 

IRQ6

Diskette drive

 

 

IRQ7

Parallel port

 

 

IRQ8

Real time clock (RTC)

 

 

IRQ9

Infrared

 

 

IRQ10

System use

 

 

IRQ11

System use

 

 

IRQ12

Internal point stick or external mouse

 

 

IRQ13

Coprocessor (not available to any peripheral)

 

 

IRQ14

IDE interface (hard drive and optical drive)

 

 

IRQ15

System use

✎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.

*Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none.

Maintenance and Service Guide

6–15

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Compaq Presario 2800, Evo N800c Series, Evo N800w Series, Evo N800v Series System Interrupts, Hardware IRQ System Function
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Evo N800c Series, Evo N800w Series, Presario 2800, Evo N800v Series specifications

The Compaq Evo N800 series and Presario 2800 series represent a blend of portability, performance, and versatility suited primarily for business and educational environments during the early 2000s. These laptops were designed to meet the demands of users requiring reliable computing on the go.

The Compaq Evo N800v series is particularly notable for its robust design, featuring a magnesium alloy chassis that contributes to durability while maintaining a relatively lightweight profile. This series is powered by Intel’s Pentium 4 processors, offering solid performance for multitasking and running various applications. Equipped with a 15-inch TFT display, the N800v provided crisp visuals, making it suitable for presentations and prolonged work sessions. The inclusion of an expansive keyboard and touchpad also enhanced the user experience, facilitating easier navigation and typing.

The Evo N800w series followed closely, catering to users requiring wireless connectivity. Its integrated Wi-Fi capabilities allowed users to connect to networks effortlessly, promoting productivity in mobile and flexible work environments. The series also boasted multiple USB ports, providing connectivity options for various peripherals such as printers and external drives. Security was not overlooked, as many models in this series included features such as Smart Card readers and fingerprint scanners to protect sensitive information.

The Evo N800c series distinguished itself with its focus on expandability and upgrade options. Users could enhance their laptops with additional RAM and larger hard drives, accommodating the increasing need for storage in professional settings. This series was often favored for its business-class support services and reliability, streamlining IT management in corporate environments.

Meanwhile, the Presario 2800 series catered more to the consumer market, blending entertainment and productivity. With vibrant displays and capable graphics options, the Presario series allowed for a comfortable multimedia experience, catering to casual gaming and video playback. The laptops featured integrated sound systems, enhancing the audio experience during media consumption.

Overall, the Compaq Evo N800 and Presario 2800 series provided a range of features and technological advancements that catered to diverse user needs, balancing performance, mobility, and security. Their design principles and functionality marked them as reliable choices in the competitive laptop market of their time, leaving a lasting legacy in portable computing.
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