Specifications

 

Table 6-8

 

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.

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Maintenance and Service Guide

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HP 3020US, 3016US, 3017CL, 3015US, 3018CL, 3015CA, 3005US, 3008CL, 3019CL, 3028CL System Interrupts, Hardware IRQ System Function

3045US, 3028CL, 3020US, 3018CL, 3016US specifications

The HP 3019CL, 3017CL, 3050US, 3008CL, and 3080US are a series of printers developed by Hewlett-Packard (HP) aimed at delivering high-quality printing solutions for both home and office environments. Each model within this diverse lineup possesses a unique set of features tailored to meet the specific demands of users.

The HP 3019CL is renowned for its efficient laser printing capabilities. With a monthly duty cycle designed to handle medium-volume printing tasks, it delivers crisp text and vibrant images. The printer utilizes HP’s unique ImageREt technology, which optimizes print quality by enhancing resolution and detail, offering users professional-grade outputs.

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The HP 3008CL is recognized for its compact design, making it ideal for smaller office environments or home setups. Despite its size, it doesn't compromise on quality or performance. It features energy-saving technologies such as Instant-on Technology, which reduces warm-up times, ensuring that printing tasks can be completed efficiently and promptly, helping to conserve energy.

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