User Manual
Preloaded operating system
20
Genuine Windows
®
7
Professional 64
Ready to install applications (only some
listed)
● Rescue and Recovery™
● Password Manager
● Business-in-a-Box
Preloaded applications (only some listed)
● ThinkVantage
®
Product Recovery
● ThinkVantage System Update
● ThinkVantage Communication Utility
● ThinkVantage Automatic Lock Utility
● ThinkVantage Power Manager
● View Management Utility
● Lenovo Solution Center
● Lenovo Message Center Plus
● RapidBoot HDD Accelerator
● Lenovo SimpleTap
● Norton™ Internet Security
(30 days of virus defi nitions)
● Adobe
®
Reader
®
● Skype™ for Windows
● Windows Live™ Essentials
● Microsoft
®
Offi ce preloaded;
purchase a product key to activate
● Corel
®
Burn.Now™ (DVD±RW)
● Corel DVD MovieFactory
®
(DVD±RW)
● InterVideo WinDVD
®
(DVD, DVD±RW)
Security
● Security chip (see information on left)
● Security slot (in rear for attachment of
optional Kensington
®
MicroSaver
®
cable;
Kensington lock also locks chassis)
● Power-on password
● Administrator password
● Hard disk password
● Boot sequence control
● Boot without keyboard and mouse
● USB port disablement
● Chassis intrusion switch on selected
model(s)
EPEAT™ Gold rating
ENERGY STAR
®
5.2-compliant
TCO Certifi ed Edge
Cisco EnergyWise compatible
GREENGUARD
®
certifi ed
RoHS-compliant
Supports ThinkVantage Technologies
For compatible accessories,
please go to O-M72Z sheet;
For Lenovo service upgrade options,
please go to S-TC sheet
●
Small and medium business (SMB) model(s), part of the US TopSeller
™
Program
●
3-year limited warranty
ThinkCentre
®
M72z (3548) - TopSeller - II
Personal Systems Reference (PSREF)
Positioning Mainstream All-In-One PC for the enterprise
Processor Intel
®
Pentium
®
G640 Processor (2 cores / 2 threads, 2.8GHz, 3MB cache),
integrated Intel HD Graphics,
integrated 1066MHz dual-channel DDR3 memory controller, Virtualization Technology
Implementation Processor in LGA1155 socket
Memory 16GB max, PC3-12800 1600MHz DDR3, two 204-pin SODIMM sockets (notebook);
System automatically clocks down for processors with
1066MHz DDR3 memory controller
Graphics Intel HD Graphics in processor, uses main memory, DirectX
®
10.1,
external digital monitor support via DisplayPort
™
, supports dual independent display;
Maximum resolution: 2560x1600 (DisplayPort)@60Hz
DP dongle None
Display 20.0" (508mm) HD+ (1600x900) TFT color, LED backlight,
250 nits, 16:9 aspect ratio, 1000:1 dynamic contrast ratio
Multi-touch None
Camera Camera on top of screen, 2.0-megapixel, fi xed focus,
integrated digital MIC array with stereo, physical switch on/off
Controls Front facing buttons for brightness up/auto, brightness down, and power on/off
Disk SATA 3.0Gb/s, 3.5" Wide, 7200 rpm
Optical DVD burner, SATA 1.5Gb/s, 12.7mm high, fi xed, not removable
Media reader None
Chipset
Intel H61 Express Chipset
Rear ports Four USB 2.0, ethernet (RJ-45), DisplayPort connector,
optional serial (9-pin), optional keyboard (PS/2), optional mouse (PS/2)
Side ports Two USB 2.0, microphone (stereo, 3.5mm), headphone (stereo, 3.5mm)
PCIe Mini Card One PCI Express
®
Mini Card slot
PCIe WLAN 11b/g/n wireless, PCIe Half Mini Card, Intel Centrino
®
Wireless-N 2230,
Wi-Fi + Bluetooth combo adapter, 2x2
Bluetooth Bluetooth 4.0 wireless, integrated in Intel 2230 Wi-Fi + Bluetooth combo adapter
Ethernet One gigabit ethernet port, Realtek
®
RTL8111E-VB
Audio High Defi nition (HD) Audio, Realtek ALC269Q
Speaker Two internal stereo speakers (2watt x 2)
Intel AMT
None
Modem
None
IEEE 1394
None
Security chip Trusted Platform Module (TPM 1.2-compliant)
Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo
®
logo
Mouse
Enhanced Optical USB Mouse, black, Lenovo logo
Power supply 150 watts, autosensing, 85% PSU
Machine Model(s) with Non multi-touch, Monitor stand:
●
Business black color
●
20.0" W X 8.9" D X 17.0" H
●
507mm W X 227mm D X 431mm H (including stand)
●
18.5 lb (8.4 kg) in maximum confi guration
●
Tilt: 25° back, -5° forward; Lift: 110mm; Swivel: +/-45°
●
Support VESA mount (100mm)
Limited Warranty 3-years, limited onsite service, 8 am-5 pm, Mon - Fri coverage
excluding holidays, next business day response time / service upgrades available
3548-B4U G640 2GBx1 1600MHz 2.0M 500G 7200 Intel HD 11b/g/n None None None None Monitor USB None Pro 64 07/24/12
3548-B9U G640 2GBx1 1600MHz 2.0M 500G 7200 Intel HD 11b/g/n None None Serial None Monitor USB None Pro 64 08/14/12
See footnotes for important warranty information
US models announced July 24 or August 14, 2012
©
Lenovo
(MTGI1-5) March 2013
Type-model Processor Memory
8
Graphics
Win7
preload
Disk
SATA
GB rpm
Camera
(mega-
pixel)
PCIe
Mini Card
WLAN
Global
Media
reader
Ann date
(mm/dd/yy)
Stand
type
Key-
board/
Mouse
Chassis
intrusion
switch
PS/2
port
Serial
port