HP A908TU System I/O address specifications, Address hex System function shipping configuration

Models: A940CA A948CA A970TU A936CA A935TU A916NR A928CA A944CA A910CA A924CA A938CA A900 A913CL A939CA A940NR A908TU A945US A900XX A938TU A903XX A949NR A909US A918CA A966TU A936TU A901XX A930CA A930XX

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System I/O address specifications

I/O address (hex)

System function (shipping configuration)

 

 

 

000

- 00F

DMA controller no. 1

 

 

 

010

- 01F

Unused

 

 

 

020

- 021

Interrupt controller no. 1

 

 

 

022

- 024

Opti chipset configuration registers

 

 

 

025

- 03F

Unused

 

 

02E - 02F

87334 “Super I/O” configuration for CPU

 

 

 

040

- 05F

Counter/timer registers

 

 

 

044

- 05F

Unused

 

 

 

060

 

Keyboard controller

 

 

 

061

 

Port B

 

 

 

062

- 063

Unused

 

 

 

064

 

Keyboard controller

 

 

 

065

- 06F

Unused

 

 

 

070

- 071

NMI enable/RTC

 

 

 

072

- 07F

Unused

 

 

 

080

- 08F

DMA page registers

 

 

 

090

- 091

Unused

 

 

 

092

 

Port A

 

 

 

093

- 09F

Unused

 

 

0A0 - 0A1

Interrupt controller no. 2

 

 

I/O Address (hex)

System Function (shipping configuration)

 

 

0A2 - 0BF

Unused

 

 

0C0 - 0DF

DMA controller no. 2

 

 

0E0 - 0EF

Unused

 

 

0F0 - 0F1

Coprocessor busy clear/reset

 

 

0F2 - 0FF

Unused

 

 

 

100

- 16F

Unused

 

 

 

170

- 177

Secondary fixed disk controller

 

 

 

178

- 1EF

Unused

 

 

1F0 - 1F7

Primary fixed disk controller

 

 

1F8 - 200

Unused

 

 

 

201

 

JoyStick (decoded in ESS1688)

 

 

 

202

- 21F

Unused

 

 

 

84 Chapter 6 Specifications

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HP A908TU, A930XX, A918CA, A924CA, A900 System I/O address specifications, Address hex System function shipping configuration

A940CA, A948CA, A970TU, A936CA, A935TU specifications

The HP A971TU, A966TU, A918CA, A903TU, and A969TU are part of HP's line of affordable and reliable notebooks designed to meet the needs of everyday users. These devices are known for their versatility in handling various tasks, from general computing to multimedia usage.

The HP A971TU features a robust architecture designed for efficient performance, powered by Intel processors that deliver a seamless computing experience for everyday applications. Its vibrant display offers clarity and brightness, making it suitable for both work and entertainment. Additionally, this model provides ample storage capacity, allowing users to store a significant amount of data, documents, and multimedia files without running into space issues.

Similarly, the HP A966TU is recognized for its excellent balance of price and capability. This model emphasizes connectivity, featuring multiple USB ports, HDMI, and audio jacks for seamless integration with other devices. Equipped with efficient thermal management, the A966TU ensures that the device remains cool even during intense usage sessions, which is vital for maintaining optimal performance over time.

The HP A918CA caters to users who seek a blend of functionality and portability. This lightweight laptop is designed for on-the-go users, featuring a durable build that withstands everyday wear and tear. It includes a long-lasting battery life, allowing users to work for extended periods without frequent recharging, making it an excellent choice for students and professionals alike.

The HP A903TU prides itself on its user-friendly design, making it an ideal choice for beginners. It features an intuitive interface and quick access to essential applications, ensuring that users can navigate the device effortlessly. Furthermore, this model supports various multimedia tasks, thanks to its reliable graphics capabilities, making it a suitable option for casual gaming and video playback.

Lastly, the HP A969TU stands out with its focus on multitasking. The device is equipped with a larger RAM configuration, promoting smooth performance even when running multiple applications simultaneously. This feature is particularly valued by users who run resource-intensive programs for graphic design, software development, or data analysis.

In conclusion, the HP A971TU, A966TU, A918CA, A903TU, and A969TU are designed with user needs in mind, offering a blend of performance, portability, and affordability. These models use HP's innovative technologies to ensure reliability and efficiency, making them an attractive choice for a wide range of users looking for practical computing solutions.