Keyboard

Item

Specification

 

 

Total number of keypads

88-/89-key

 

 

Windows logo key

Yes

 

 

Internal & external keyboard work

Plug USB keyboard to the USB port directly: Yes

simultaneously

 

 

 

Battery

Item

Specification

 

 

Vendor & model name

BATTERY PACK SANYO LI-ION 6

 

CELL 2.0/2.4, 2000MAH/2400MAH

 

BATTERY PACK SONY LI-ION 6

 

CELL 2.0/2.4, 2000MAH/2400MAH

 

BATTERY PACK SIMPLO LI-ION 6

 

CELL 2.0/2.4, 2000MAH/2400MAH

 

BATTERY PACK PANASONIC LI-

 

ION 6 CELL 2.0/2.4, 2000MAH/

 

2400MAH

 

 

Battery Type

Li-ion

 

 

Pack capacity

2000MAH/2400MAH

 

 

Number of battery cell

6

 

 

Package configuration

Cylindrical

 

 

Normal voltage

11.1V

 

 

Charge voltage

16.8+-0.2v

 

 

LCD 14.1” inch

 

Item

 

Specification

 

 

 

 

 

 

 

 

Vendor & model name

SAMSUNG

CMO M190A1-

SAMSUNG

CMO M190A1-

 

 

LTN190-M2-

L01 NON-

LTM190-M2-

L03 GLARE

 

 

000 NON-

GLARE

L01-G GLARE

TYPE

 

 

GLARE

 

TYPE

 

 

 

 

 

 

 

 

Screen Diagonal (mm)

19.1 inches

19.1 inches

19.1 inches

19.1 inches

 

 

 

 

 

 

 

Active Area (mm)

304.1x228.1

304.1x228.1

304.1x228.1

 

 

 

 

 

 

 

 

Display resolution (pixels)

1440x900

1440x900

1440x900

1440x900

 

 

WXGA+

WXGA+

WXGA+

WXGA+

 

 

 

 

 

 

 

Pixel Pitch

0.297x0.297

0.099x0.297

0.297x0.297

 

 

 

 

 

 

 

 

Pixel Arrangement

R.G.B. Vertical

R.G.B. Vertical

R.G.B. Vertical

R.G.B. Vertical

 

 

Stripe

Stripe

Stripe

Stripe

 

 

 

 

 

 

 

Display Mode

Normally White

Normally White

Normally White

Normally White

 

 

 

 

 

 

 

Typical White Luminance (cd/m2)

300

300

300

300

 

also called Brightness

 

 

 

 

 

 

 

 

 

 

 

Luminance Uniformity

N/A

N/A

70

70

 

 

 

 

 

 

 

Contrast Ratio

300

300

250

250

 

 

 

 

 

 

 

Response Time (Optical Rise Time/Fall

8

8

8

8

 

Time)msec

 

 

 

 

 

 

 

 

 

 

 

Nominal Input Voltage VDD

+3.3V Typ.

+3.3V

3.3V

3.3V

 

 

 

 

 

 

 

Typical Power Consumption (watt)

5.6/5.7

3.96

N/A

N/A

 

 

 

 

 

 

 

Weight

550

570

600

600

 

 

 

 

 

 

 

Physical Size(mm)

317.3x242.0x6.

317.3x242.0x5.

317.3x242.0x6.

317.3x242.0x6.

 

 

0

9

5

5

 

 

 

 

 

 

 

Electrical Interface

1 channel LVDS

1 channel LVDS

1 channel LVDS

1 channel LVDS

 

 

 

 

 

 

 

 

 

 

 

 

36

Chapter 1

Page 42
Image 42
Acer 4520G, 4220G manual Battery, LCD 14.1 inch

4220G, 4220, 4520G specifications

The Acer 4520G, 4220, and 4220G laptops are part of Acer’s previously popular Aspire series, known for delivering dependable performance and a range of features suitable for both casual users and professionals. Despite being older models, they still possess characteristics that can meet the demands of various computing needs.

First and foremost, these laptops are powered by AMD Turion 64 X2 processors, which provide a dual-core architecture, enabling them to handle multitasking effectively. This feature is particularly beneficial for users who engage in simultaneous applications, such as web browsing while streaming videos or editing documents. The efficient CPU performance ensures that the laptops maintain responsiveness during operation.

A notable advancement in the 4520G variant is the inclusion of a dedicated NVIDIA GeForce 8400M GS graphics card. This feature significantly enhances the graphical performance, making it suitable for light gaming and graphic-intensive applications. The integrated graphics in the 4220 and 4220G models, while adequate for everyday tasks, do not support demanding graphics as effectively.

Memory configurations for these models typically offer up to 4GB of RAM, which allows for smooth operation of everyday software and moderate gaming. Also, the inclusion of a 15.4-inch screen with a resolution of 1280x800 pixels provides a decent viewing experience suitable for both work and media consumption.

Storage options generally include a 120GB to 250GB hard drive, providing ample space for documents, applications, and media files. The laptops feature DVD-RW drives, enabling users to read and write CDs and DVDs, which is advantageous for data backup and media creation.

Connectivity options are also well-equipped, including several USB ports, HDMI output, and an Ethernet port for reliable internet connections. Wireless connectivity options, like Wi-Fi and Bluetooth, ensure that users can connect easily to networks and devices.

In terms of build, these laptops feature a sturdy design that, although bulkier than contemporary models, offers durability. The keyboard layout is comfortable for typing, and the touchpad provides decent responsiveness.

Overall, the Acer 4520G, 4220, and 4220G laptops present a blend of performance, reliability, and essential features. While they may not compete with the latest technology, they can still serve users who need a functional laptop for basic computing tasks.