Name: Lenovo ThinkPad E420s
Brand: Lenovo
SKU: 798304
Rating: 82 (8 reviews)

Manual of product ThinkPad E420s

First page image of the manual for ThinkPad E420s

User Manual

186 pages

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Technical Specifications ThinkPad E420s

General Information

Model

THINKPAD E420S
Brand

Lenovo
Category

Computers and accessories
Type

Laptop
SKU

798304
MPN

798304

Processor

Processor family

Intel® Core™ i5
Processor model

i5-2410M
Computer bus

5 GT/s
Processor cache type

Smart Cache
Processor cache memory

3 Mo
System bus processor

- MHz
Processor socket (processor receptacle)

BGA 1023
Processor Turbo Frequency

2.9 GHz
Number of processor cores

2
Number of processor threads

4
Processor lithography

32 nm
Processor operating modes

64-bit
Stepping

J1
Bus type

DMI
Processor code name

Sandy Bridge
Parity FSB

No
Thermal envelope (TDP, Thermal Design Power)

35 W
Processor series

Intel Core i5-2400 Mobile Series
Parity FSB

No
Maximum number of PCI Express lanes

16
Version of PCI Express locations

2.0
PCI Express Configurations

1x8, 1x16, 2x4, 2x8
Tjunction

100 °C
CPU Multiplier

23
Processor frequency

2.3 GHz
Processor manufacturer

Intel
Processor generation

Intel® Core™ i5 2nd generation

Representation / realization

Motherboard chipset

Intel® HM65 Express

Storage support

Hard drive capacity

320 GB
Hard drive interface

SATA
Hard disk rotation speed

7200 RPM
Hard drive capacity

320 GB
Number of installed hard drives

1
Built-in memory card reader

Yes
Optical reader

DVD-RW
Storage media

HDD

Screen

Screen size

14 "
Screen resolution
Display area

1366 x 768 pixels
Screen brightness
Contrast ratio

Gloss
Image format
LED backlighting

200 cd/m²
300:1
16:9
Yes

Other features

Screen

LCD
Graphics adapter family

Intel
LightScribe

No
Power adapter included

Yes
LightScribe

No
Segment marking Intel®

Home Office, Small Business

Memory

Internal memory

4 GB
Memory locations

2x SO-DIMM
Type of internal memory

DDR3-SDRAM
Maximum internal memory

8 GB
Memory frequency

1333 MHz

Graphique

Distinct graphics adapter model

-
Graphics adapter model included

Intel® HD Graphics 3000
Base frequency of integrated graphics card

650 MHz
Dynamic frequency (max) of integrated graphics card

1200 MHz
ID of the integrated graphics card

0x116
Integrated graphics card

Yes
Integrated graphics adapter family

Intel® HD Graphics

Audio

Built-in microphone

Yes
Audio system

HDA
Number of built-in speakers

2

Keyboard

Keyboard layout

-
Numeric keypad

-
Splash-resistant keyboard

Yes
Splash-resistant keyboard

Yes
Pointing device

ThinkPad UltraNav

Network

Ethernet/LAN

Yes
Wifi standards

802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet/LAN

Yes
Wiring technology

10/100/1000Base-T(X)
Bluetooth

No
Wi-Fi standard

Wi-Fi 4 (802.11n)

Software

Installed operating system

Windows 7 Professional
Operating System Architecture

64-bit

Connectivity

Microphone jack input

Yes
Quantity of eSATA/USB 2.0 ports

1
Quantity of eSATA/USB 2.0 ports

1
Quantity of Thunderbolt ports

0
Quantity of USB 2.0 Ports

2
Quantity of eSATA/USB 2.0 ports

1
Microphone jack input

Yes
Welcome connector

No
Welcome connector

No
Quantity of Thunderbolt ports

0
Welcome connector

No
Welcome connector

No
Welcome connector

No
Quantity of eSATA/USB 2.0 ports

1
Quantity of Thunderbolt ports

0
Quantity of Thunderbolt ports

0
Quantity of eSATA/USB 2.0 ports

1
Quantity of Thunderbolt ports

0
Quantity of Thunderbolt ports

0
Quantity of Thunderbolt ports

0
Charging port type

DC-in jack

Weight and dimensions

Weight

1880 g
Width

349 mm
Depth

236 mm
Height (front)

23.1 mm
Height (rear)

32.1 mm
Width

13.74 "
Depth

9.29 "
Height (front)

0.91 "
Height (rear)

1.23 "

Security

Fingerprint reader

Yes
Fingerprint reader

Yes
Cable lock location type

Kensington

Sustainability

Sustainability certificates

RoHS
EPEAT Gold
ENERGY STAR

Design

Product color

Black

Battery

Battery technology

Lithium-Ion (Li-Ion)
Maximum battery life

- h

Special features of the processor

Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Identity Protection Technology (Intel® IPT)

Yes
The Intel® Rapid Storage technology

No
Intel® Identity Protection Technology (Intel® IPT)

Yes
The Intel® Rapid Storage technology

No
Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Identity Protection Technology (Intel® IPT)

Yes
The Intel® Rapid Storage technology

No
The Intel® Rapid Storage technology

No
Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Identity Protection Technology (Intel® IPT)

Yes
The Intel® Rapid Storage technology

No
The Intel® Rapid Storage technology

No
Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Identity Protection Technology (Intel® IPT)

Yes
Processor packaging size

37.5x37.5 (rPGA988B); 31 x 24 (BGA1023) mm
Supported instruction set

AVX
The Intel® Rapid Storage technology

No
Graphic lithography and IMC

32 nm
The Intel® Rapid Storage technology

No
Version of Intel® identity protection technology

1.00
Intel® Identity Protection Technology (Intel® IPT)

Yes
The Intel® Rapid Storage technology

No
Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Identity Protection Technology (Intel® IPT)

Yes
The Intel® Rapid Storage technology

No
Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Identity Protection Technology (Intel® IPT)

Yes
Intel® Turbo Boost Technology

2.0
Intel® Identity Protection Technology (Intel® IPT)

Yes
Processor ID ARK

52224
Intel® Identity Protection Technology (Intel® IPT)

Yes

Features

Image type card

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Frequently Asked Questions

What factors influence download speed on the Internet?

Download speed on the Internet is determined by the type of connection you have. For example, a 25 Mb/s connection theoretically allows you to download up to 25 MB per second.

What are the dimensions of my laptop screen?

The size of your laptop screen is usually indicated in inches, with each inch equivalent to 2.54 centimeters. This measurement corresponds to the diagonal of the screen, which you should measure from the bottom left corner to the top right corner.

What does the acronym HDMI mean?

HDMI stands for High-Definition Multimedia Interface. An HDMI cable is used to transmit audio and video signals between different devices.

What is the best method to clean my laptop?

To remove fingerprints, a slightly damp cloth or a soft, clean cloth is recommended. For dust in hard-to-reach areas, using compressed air is advised.

How should I clean my keyboard?

Turn the keyboard upside down and use a can of compressed air to remove dirt. You can also clean the keys with a damp cloth.

What is Bluetooth?

Bluetooth allows for wireless data transmission between electronic devices using radio waves. Generally, the range between devices can reach up to ten meters.