Name: Lenovo Essential B40-70
Brand: Lenovo
SKU: 798282
Rating: 75 (14 reviews)

Manual of product Essential B40-70

First page image of the manual for Essential B40-70

User Manual

54 pages

View manual

Technical Specifications Essential B40-70

General Information

Model

ESSENTIAL B40-70
Brand

Lenovo
Category

Computers and accessories
Type

Laptop
SKU

798282
MPN

798282

Design

Product type

Laptop
Product color

Black
Format

Clamshell
Market position

Professional

Processor

Processor frequency

1.7 GHz
Processor family

Intel® Core™ i3
Processor model

i3-4005U
Number of processor cores

2
Number of processor threads

4
Computer bus

5 GT/s
Processor cache memory

3 MB
Processor socket (processor receptacle)

BGA 1168
Processor cache type

Smart Cache
System bus processor

- MHz
Processor lithography

22 nm
Processor operating modes

64-bit
Bus type

DMI
Processor code name

Haswell
Parity FSB

No
Thermal envelope (TDP, Thermal Design Power)

15 W
Processor series

Intel® Core™ i3-4000 Mobile Series
Parity FSB

No
Maximum number of PCI Express lanes

10
Version of PCI Express locations

2.0
PCI Express Configurations

4x1, 1x4
Tjunction

100 °C
Processor manufacturer

Intel
Processor generation

Intel® Core™ i3 4th generation

Representation / realization

Motherboard chipset

-

Memory

Internal memory

4 GB
Type of internal memory

DDR3L-SDRAM
Memory frequency

1600 MHz
Memory configuration (slot x size)

1 x 4 GB
Memory locations

2x SO-DIMM
Maximum internal memory

16 GB
Memory support

SO-DIMM

Storage support

Hard drive capacity

500 GB
Storage media

HDD
Number of installed hard drives

1
Hard drive capacity

500 GB
Hard disk rotation speed

5400 RPM
Built-in memory card reader

Yes
Compatible memory cards

MMC, SD
Optical reader

DVD±RW
Hard drive interface

SATA
Hard drive size

2.5 "

Screen

Display area

-
Screen size

14 "
Screen resolution
Touch screen

1366 x 768 pixels
LED backlighting

No
Image format

Yes
16:9

Graphique

Distinct graphics adapter model

-
Graphics adapter model included

Intel® HD Graphics 4400
Base frequency of integrated graphics card

200 MHz
Dynamic frequency (max) of integrated graphics card

950 MHz
Integrated graphics card DirectX version

12
ID of the integrated graphics card

0xA16
Maximum memory of integrated graphics card

2 GB
Integrated graphics card

Yes
Integrated graphics adapter family

Intel® HD Graphics

Other features

LightScribe

-
Intel® Virtualization Technology (Intel® VT)

VT-x
Power adapter included

Yes
Maximum internal memory (64-bit)

16 GB

Audio

Audio system

HD
Number of built-in speakers

2
Built-in microphone

Yes

Camera

Front camera

Yes
Front camera resolution

1280 x 720 pixels

Network

Ethernet/LAN

Yes
Ethernet/LAN

Yes
Wifi standards

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

Yes
LAN Ethernet: data transfer rate

10,100,1000 Mbit/s
Wi-Fi standard

Wi-Fi 4 (802.11n)

Connectivity

Number of Ethernet LAN ports (RJ-45)

1
Number of SATA III connectors

2
Number of Ethernet LAN ports (RJ-45)

1
Number of Ethernet LAN ports (RJ-45)

1
Number of CardBus PCMCIA Housing(s)

0
SmartCard Housing

No
Number of Ethernet LAN ports (RJ-45)

1
Number of CardBus PCMCIA Housing(s)

0
Number of CardBus PCMCIA Housing(s)

0
SmartCard Housing

No
SmartCard Housing

No
Headset / microphone port

Yes
SmartCard Housing

No
SmartCard Housing

No
Number of CardBus PCMCIA Housing(s)

0
SmartCard Housing

No
SmartCard Housing

No
Number of SATA III connectors

2
Number of SATA III connectors

2
Charging port type

DC-in jack

Keyboard

Keyboard layout

-
Pointing device

Touchpad
Numeric keypad

No
Windows keys

Yes

Software

Operating System Architecture

-
Installed operating system

Free DOS

Special features of the processor

Intel® Security Key

Yes
Access Intel® Fast Memory

No
Intel® Security Key

Yes
Intel® Security Key

Yes
Access Intel® Fast Memory

No
Access Intel® Fast Memory

No
Intel® Security Key

Yes
Intel® Security Key

Yes
Access Intel® Fast Memory

No
Access Intel® Fast Memory

No
Access Intel® Fast Memory

No
Intel® Security Key

Yes
Access Intel® Fast Memory

No
Intel® Security Key

Yes
Intel® Security Key

Yes
Intel® Security Key

Yes
Access Intel® Fast Memory

No
Intel® Security Key

Yes
Intel® Security Key

Yes
Intel® Security Key

Yes
Access Intel® Fast Memory

No
Intel® Security Key

Yes
Intel® Security Key

Yes
Access Intel® Fast Memory

No
Intel® Security Key

Yes
Intel® Security Key

Yes
Access Intel® Fast Memory

No
Access Intel® Fast Memory

No
Access Intel® Fast Memory

No
Intel® Security Key

Yes
Intel® Security Key

Yes
Intel® Security Key

Yes
Intel® Security Key

Yes
Processor packaging size

40 x 24 x 1.5 mm
Supported instruction set

AVX 2.0, SSE4.1, SSE4.2
CPU Configuration (max)

1
Access Intel® Fast Memory

No
Intel® Security Key

Yes
Access Intel® Fast Memory

No
Version of Intel® security key technology

1.00
Version of Intel® security key technology

1.00
Intel® TSX-NI Version

0.00
Version of Intel® security key technology

1.00
Intel® TSX-NI Version

0.00
Intel® ME firmware version

9.5
Intel® TSX-NI Version

0.00
Intel® Security Key

Yes
Access Intel® Fast Memory

No
Access Intel® Fast Memory

No
Intel® Security Key

Yes
Access Intel® Fast Memory

No
Processor ID ARK

75105
Intel® Security Key

Yes

Battery

Battery technology

Lithium-Ion (Li-Ion)
Number of battery cells

4
Maximum battery life

6 h

Security

Password protection

Yes
Cable lock location type

Kensington
Password protection

Yes
Password protection

Yes
Password protection

BIOS, User

Weight and dimensions

Weight

2150 g
Width

340 mm
Depth

247 mm
Height

24.5 mm

Packaging contents

User manual

Yes
User manual

Yes

Frequently Asked Questions

What factors influence download speed on the Internet?

Download speed on the Internet is determined by the type of connection you are using. For example, a 25 Mb/s connection means that you should theoretically be able 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, where 1 inch equals 2.54 centimeters. This size corresponds to the diagonal measurement of the screen, which you can obtain by measuring from the bottom left corner to the top right corner.

What does the acronym HDMI stand for?

HDMI stands for High-Definition Multimedia Interface. An HDMI cable allows for the transmission of audio and video signals between different devices.

What is the best method to clean my laptop?

To remove fingerprints, use a slightly damp cloth or a soft, clean cloth. For dust in hard-to-reach areas, it is advisable to use compressed air.

How can I clean my keyboard?

Turn the keyboard upside down and use a can of compressed air to blow away the dirt. The keys can also be cleaned with a slightly damp cloth.

What is Bluetooth?

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