Mechanical Specification

Item

Specification

 

 

Switch

Power switch

 

Lid switch

 

Internet switch

 

Wireless ON/OFF switch

 

E-mail switch

 

 

Memory Address Map

Memory Address

Size

Function

 

 

 

00100000h-000F0000h

64KB

System BIOS

 

 

 

000CD000h-000C0000h

 

VGA BIOS

 

 

 

000C0000h-000A0000h

128 KB

Video memory (VRAM)

 

 

 

000A0000h-00000000h

640KB

Conventional memory

 

 

 

I/O Address Map

 

 

 

 

 

I/O Address

Function

 

 

 

000-00F

DMA controller-1

 

 

 

 

020-021

Interrupt controller-1

 

 

 

 

040-043

Timer 1

 

 

 

 

060, 064

Keyboard controller 38859 chip select

 

 

 

 

061

System speaker out

 

 

 

 

040B

DMA controller-1

 

 

 

 

061

System speaker

 

 

 

 

070-071

Real-time clock and NMI mask

 

 

 

 

080-08F

DMA page register

 

 

 

 

0A0-0A1

Interrupt controller-2

 

 

 

 

0C0-0DF

DMA controller-2

 

 

 

 

0F0-0FF

Numeric data processor

 

 

 

 

170-177

2nd EIDE device (CD-ROM) select

 

 

 

 

1F0-1F7

1st EIDE device (hard drive) select

 

 

 

 

220-22F

Audio

 

 

 

 

240-24F

Audio (optional)

 

 

 

 

278-27F

Parallel port 3

 

 

 

 

378,37A

Paraller port 1

 

 

 

 

3B0-3BB

Video Controller

 

3C0-3DF

 

 

 

 

 

3F0h-3F7

Standard Floppy Disk Controller

 

 

 

 

3F0-3F7

Floppy disk controller

 

 

 

 

480-48F, 4D6

DMA controller-1

 

 

 

 

4D0-4D1

PCI configuration register

 

CF8-CFF

 

 

 

 

 

IRQ Assignment Map

 

 

 

 

 

Interrupt Channel

Function(Hardware)

 

 

 

IRQ00

System timer

 

 

 

 

IRQ01

Keyboard

 

 

 

 

IRQ02

Programmable Interrup Controller

 

 

 

 

IRQ03

Free by default or Generic

 

 

 

 

Chapter 1

35

Page 40
Image 40
Acer 270 manual Memory Address Map, IRQ Assignment Map

270 specifications

The Acer 270 series, part of Acer's versatile lineup of laptops, is designed to cater to a wide range of user needs, from casual browsing to more demanding tasks. This model stands out due to its robust combination of features, innovative technologies, and sleek design, making it an attractive option for students, professionals, and everyday users alike.

At the heart of the Acer 270 series is its impressive display. The laptop often features a Full HD screen that delivers stunning visuals with vibrant colors and sharp details. This makes it ideal for watching videos, editing photos, or simply browsing the web. The slim bezels enhance the viewing experience, creating an immersive feel that many users appreciate.

Performance-wise, the Acer 270 is typically equipped with the latest Intel Core processors, ensuring that it can handle multitasking with ease. Whether running productivity apps or more intensive software, the processor offers the speed and efficiency needed to keep up with everyday demands. Coupled with substantial RAM options, users can experience seamless performance across different applications, reducing lag and improving workflow.

Storage is another key feature of the Acer 270 series. With options for SSDs, users benefit from faster boot times and quicker file access, resulting in an overall more responsive experience. This storage solution not only increases speed but also contributes to a lightweight and compact design, making it easy to carry.

The laptop also incorporates advanced connectivity options, including multiple USB ports, HDMI outputs, and sometimes even Thunderbolt support. This array of ports ensures that users can connect a variety of peripherals and external displays with ease. Furthermore, reliable Wi-Fi and Bluetooth technologies enhance connectivity, facilitating smooth online experiences and allowing for convenient wireless connections.

In terms of battery life, the Acer 270 does not fall short, often boasting impressive longevity that can last a full day on moderate use. This feature is particularly appealing to students and professionals who need a device that can keep up with their busy schedules without frequent recharging.

Design-wise, the Acer 270 often features a modern, sleek chassis that is aesthetically pleasing and functional. The ergonomic keyboard ensures comfortable typing, while the touchpad is responsive, facilitating effortless navigation.

Additionally, Acer includes proprietary technology enhancements such as Acer BlueLightShield, which reduces eye strain during long periods of use, and Acer TrueHarmony for improved audio quality.

Overall, the Acer 270 series is characterized by its blend of performance, reliability, and portability, making it a solid choice for a wide array of users looking for a capable laptop that meets everyday computing needs.