Intel
®
Core
™
i3-2100 Processor
(
2 cores / 4 threads
, 3.10 GHz, 3M Cache)
DDR3 memory controller (up to 1333MHz)
Intel
Core
i3-2120 Processor
(
2 cores / 4 threads
, 3.30 GHz, 3M Cache),
DDR3 memory controller (up to 1333MHz)
Intel
Core
i5-2310 Processor
(
4 cores / 4 threads
, 2.90 GHz, 6M Cache)
Turbo Boost Technology 2.0 (up to 3.20 GHz), DDR3 memory controller (up to 1333MHz)
Intel
Core
i5-2320 Processor
(
4 cores / 4 threads
, 3.00 GHz, 6M Cache),
Turbo Boost Technology 2.0 (up to 3.30 GHz), DDR3 memory controller (up to 1333MHz)
Intel Core i7-2600 Processor
(
4 cores / 8 threads
, 3.40 GHz, 8M Cache),
Turbo Boost Technology 2.0 (up to 3.80 GHz), DDR3 memory controller (up to 1333MHz)
Processor in FCLGA1155 socket
4GB
or
6GB
std / 16GB max
7
/
PC3-10600 1333MHz DDR3
, non-parity,
dual-channel capable, four 204-pin SO-DIMM sockets
DVD burner, dual-layer support, 12.7mm, tray-in
1TB
, SATA 3.0Gb/s or SATA 6.0Gb/s, 3.5" wide, 7200 rpm
Serial ATA, SATA 3.0Gb/s and SATA 6.0Gb/s support, integrated in chipset
23.0"
(584.2mm)
Full HD
(1920x1080 WUXGA)
TFT color
,
VibrantView
(glossy)
,
LED
backlight, 300 nits
,
16:9 aspect ratio, 1000:1 contrast ratio,
frameless screen
Multi-touch, 2-point support
None
Camera on top of screen, 0.3-megapixel, fi xed focus, with analog microphone
Touch-sensitive buttons for LED light on/off, volume up/down, brightness up/down, display
on/off, Novo Vision, mode switch (PC / HDMI IN / AV IN, depends on confi guration)
Some:
Intel HD Graphics 2000,
in processor, uses main memory, DirectX
®
10.1;
Some:
NVIDIA
®
GeForce
®
GT
555M
, PCI Express
®
x16, 1GB GDDR5, DirectX 11;
Intel H67 Express Chipset
Multicard reader (MMC, MS, MS PRO, MSXC, SD, SDHC, SDXC)
Rear:
Four USB 2.0 ( two USB2.0 and two USB3.0 on some models), ethernet (RJ-45),
keyboard (PS/2), HDMI-out, HDMI-in (on some models), AV IN (on some models),
and TV tuner connector (on TV models);
Side:
Two USB 2.0, microphone input jack (3.5 mm), headphone jack (3.5 mm),
Multicard
reader
Two PCIe Mini Card slots
11b/g/n wireless
4
, PCIe Half Mini Card adapter, Broadcom
®
, Realtek
®
, or Atheros
®
chip
ATSC tuner, supports analog and digital signal, PCIe Mini Card
Bluetooth 2.1 wi EDR
None
Gigabit ethernet on planar, Intel 82579V
High Defi nition (HD) Audio, Realtek ALC663 codec / SRS
®
Premium Sound
™
,
5.0 speakers (3 watts x 5)
Bluetooth full-size keyboard, 6-row, black
Bluetooth Optical Wheel Mouse, black
MCE remote control, via IR
250 watts, universal, auto-sensing
Non-3D models: (WxHxD):
22.35" x 16.80" x 3.01"; 567.8mm x 426.7mm x 76.5mm
3D models: (WxHxD):
22.35" x 16.80" x 3.48"; 567.8mm x 426.7mm x 88.5mm
From 22.22 lb (10.08 kg), vary by confi guration
Front:
black and silver color;
rear:
silver gray color
Adjustable stand (between 15° and 40°), supports cable management
Wall mount kit, meets VESA 100mm mount standard
Processor
Implementation
Memory
Optical
SATA disk
SATA controller
Widescreen
display
Multi-touch
NVIDIA
®
3D Vision
Camera
Controls
Graphics
Chipset
Multicard reader
Ports
PCIe Mini Card
11b/g/n
28
TV
tuner
Bluetooth
™
Modem
Ethernet
Audio support
Keyboard
Mouse
Remote control
Power supply
Dimensions
3
Weight
2
Chassis
Stand
Wall mount
IdeaCentre
™
B520 (7745) - Multi-touch
ENERGY STAR
®
qualifi ed
RoHS-compliant
7745-2AU i3-2100 2Gx2 23" FHD
Multi
0.3M Intel HD
1TB
8
DVD
±
RW 11b/g/n
28
TV Remote BT/BT
Wall USB3.0 HDMI/AV Prem 64
7745-2EU i7-2600 2Gx3 23" FHD
Multi
0.3M GT555M 1G 1TB
DVD
±
RW 11b/g/n
TV Remote BT/BT
Wall USB3.0 HDMI/AV Prem 64
7745-2FU i5-2310 2Gx3 23" FHD
Multi
0.3M GT555M 1G 1TB
DVD
±
RW 11b/g/n
TV Remote BT/BT
Wall USB3.0 HDMI/AV Prem 64
7745-2JU i3-2120 2Gx2 23" FHD
Multi
0.3M Intel HD
1TB
DVD±RW 11b/g/n
TV Remote BT/BT
Wall USB3.0 HDMI/AV Prem 64
7745-2KU i5-2320 2Gx3 23" FHD
Multi
0.3M GT555M 1G 1TB
DVD±RW 11b/g/n
TV Remote BT/BT
Wall USB3.0 HDMI/AV Prem 64
Type-model
Widescreen
display
Memory
SATA
disk
Optical
Mini PCIe
802.11
wireless
Win7
preload
Personal Systems Reference (PSREF)
©
Lenovo
(MLC1-2) November 2011
See footnotes for important warranty information
☞
US models announced November 23, 2011; previous models on July 20, 2011
Preloaded operating system
20
- Genuine Windows
®
7
Home Premium 64
Preloaded applications
14
(only some
listed)
•
Lenovo
®
Rescue System
•
Driver and Application Installation
•
McAfee
®
VirusScan
®
Plus
(60 days of virus defi nitions)
•
Cyberlink Power2Go (DVD±RW,
Blu-ray)
• Lenovo IdeaTouch (Touch models)
−
PowerCinema
−
Lenovo
VeriTouch
− PhotoStudio Paint
− Lenovo Ebook and Quick Notes
•
Touch Games (Touch models)
− Angry Birds
− Happy Hit
−
Curling
−
Music Star
−
Link Up
−
Funny Cube
−
Firework
•
Windows Live Essentials
•
CyberLink
YouCam
•
Microsoft Offi ce 2010 preloaded;
purchase product key to activate
•
Lenovo Dynamic Brightness System*
•
Lenovo Eye Distance System*
* The software is not compatible with
720p
Camera
•
23” Full HD frameless display supporting state-of-the-art multi-touch* and NVIDIA 3D Vision*
technologies
•
Integrated TV tuner
•
3-in-1 motion drive wireless mouse* – including motion-drive gaming and remote control
functions
•
Integrated 5.0 speakers (3 watts x 5) supporting SRS Premium Sound audio enhancement
•
These systems are Microsoft
®
Offi ce 2010 Product Key Ready (O10PKR)
* Optional feature
Graphics
TV
tuner
Proc-
essor
Limited Warranty
12
➫
1-year parts and labor
➫
Customer Replaceable Unit (CRU)
parts only (with limited onsite
service for selected parts
23
,
8 am - 5 pm, Mon - Fri coverage
excluding holidays, next business
day response time)
➫
Service upgrade options
(in eligible locations):
9
• 2-year Lenovo In-Home Repair
9x5 Next Business Day
(78Y1552)
• 3-year Lenovo In-Home Repair
9x5 Next Business Day
(78Y1553)
➫
24x7
16
toll-free support for warranty
issues during the warranty period
12
via 877-453-6686
Remote
control
Camera
(mega-
pixel)
Keyboard/
Mouse
☞
☞
USB3.0
Multi-
Touch
screen
Wall
mount
kit
HDMI-in
AV IN
