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®
ThinkCentre
M77 Tower (1995) - TopSeller
Slot x
Type-model
bay
Processor
1995-A1U 4x5 Athlon II X4 645
✂
1995-A2U 4x5 Athlon II X2 B24
✂
1995-A3U 4x5 Phenom II X2 B53 2.8 4GBx1 320G 7200
☞
1995-A4U 4x5 FX 4100
☞
1995-A5U 4x5 FX 4100
✂
1995-A6U 4x5 Phenom II X2 B53 2.8 4GBx1 500G 7200
●Small and medium business (SMB) model(s), part of the US TopSeller Program
●3-year limited warranty
●Microsoft Offi ce 2010 Product Key Ready (O10PKR)
Positioning
Mainstream enterprise stability and manageability
Processor
AMD Athlon™ II X2 Processor B24 with dual-core,
integrated 1066MHz DDR3 memory controller, and 2MB L2 cache (1MB per core)
AMD Phenom™ II X2 Processor B53 with dual-core,
integrated 1066MHz DDR3 memory controller,
and 1MB L2 cache (512KB per core)s, and 6MB shared L3 cache
AMD Athlon II X4 Processor 645 with quad-core,
integrated 1333MHz DDR3 memory controller, and 2MB L2 cache (512KB per core)
AMD FX™ Processor 4100 with quad-core, Turbo Core 2.0 (3.8GHz max)
integrated 1866MHz DDR3 memory controller,
4MB L2 cache (1MB per core), and 8MB shared L3 cache
Implementation
Processor in Socket AM3+
Memory
16GB max, UDIMM, PC3-10600 1333MHz DDR3, four 240-pin DIMM sockets
Graphics
Some: ATI™ Radeon™ HD 4250, integrated in chipset, uses main memory,
Some: AMD Radeon HD 5450, PCI Express
DP dongle
None
Disk
SATA 6.0Gb/s 7200 rpm
Optical
Super Multi-Burner DL DVD±RW SATA 1.5Gb/s Drive
SATA controller
Serial ATA, SATA 6.0Gb/s, integrated in chipset, RAID 0/1
SATA cables
Two SATA cables (each 1-drop to device), four SATA 6.0Gb/s connectors on planar
eSATA port
None
Media reader
None
Chipset
AMD 980G Chipset
Front ports
Two USB 2.0, microphone (stereo, 3.5mm), headphone (stereo, 3.5mm)
Rear ports
Six USB 2.0, serial (9-pin), optional keyboard (PS/2), optional mouse (PS/2),
ethernet (RJ-45), VGA DB-15, DisplayPort
Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone (stereo, 3.5mm)
Internal connector Three USB 2.0 planar conn (1 used; two open for additional USB devices)
Audio
High Defi nition (HD) Audio, Realtek
Speaker
Internal speaker for business audio
IEEE 1394
None
Ethernet
One gigabit ethernet port, Broadcom
Modem
None
Security chip
STMicroelectronics ST19NP18 Trusted Platform Module (TPM), TCG 1.2-compliant
Keyboard
Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo
Mouse
Enhanced Optical USB Mouse, 1000 dpi, black, Lenovo logo
Power supply
280 watts with variable speed fan, manual switch
● Business black color; metal case
Machine
● 6.9" W X 17.4" D X 16.3" H
● 175mm W X 442mm D X 414mm H
● 24.2 lb (11.0 kg) in maximum confi guration
● Handle on top front
● Power button on top handle
● Toolless cover removal
● Tilted front I/O for easy access
● Toolless disk, optical drive removal
● Toolless adapter retention
Bay
Bay 1: 5.25", 1.6" high, access, std optical
Bay 2: 5.25", 1.6" high, access, open
Bay 3: 3.5", 1" high, access, opt reader
Bay 4: 3.5", 1" high, no access, std disk
Bay 5: 3.5", 1" high, no access, opt disk (some models)
Slot
Slot 1: half-length, full-height, PCI Express 2.0 x16 (75w max)
Slot 2: half-length, full-height, PCIe 2.0 x1
Slot 3: half-length, full-height, PCIe 2.0 x1
Slot 4: half-length, full-height, 32-bit PCI 2.3
Limited Warranty 3-years, limited onsite service, 8 am-5 pm, Mon - Fri coverage excluding holidays,
next business day response time / service upgrades available
See footnotes for important warranty information
☞ US models announced November 8, 2011; previous models on
✂
US models withdrawn effective November 2012
SATA disk
GHz
Memory
8
GB rpm
3.1 4GBx1 500G 7200
3.0 2GBx1 320G 7200
3.6 4GBx1 500G 7200
3.6 4GBx1 500G 7200
one VGA, one DisplayPort™, HDCP, DirectX
SurroundView™, supports dual independent display; supports up to 4 monitors
with optional dual-head ATI Radeon discrete graphics adapter;
Maximum resolution: 2560x1440 (VGA)@75Hz; 2560x1600 (DP)@60Hz
512MB, one DVI-I (includes DVI-to-VGA dongle), one DisplayPort, 25 watts;
Maximum resolution: 2560x1600 (DisplayPort, DVI-I)@60Hz
®
ALC662 codec
®
BCM5761, DASH 1.1
2nd Disk
SATA
Media
Bay
optical
reader
Graphics
Bay
DVD±RW None HD 4250 None
Bay
DVD±RW None HD 4250 None
Bay
DVD±RW None HD 4250 None
Bay
DVD±RW None HD 4250 None
Bay
DVD±RW None HD 4250 None
Bay
DVD±RW None HD 5450 None
®
10.1, ATI Avivo™,
®
2.0 x16 adapter, HDCP, DirectX 11,
®
logo
optical
②
③
disk
⑤
September 20, 2011
Personal Systems Reference (PSREF)
Display-
Chassis
PS/2
ENERGY
Port
intr switch
port
dongle
STAR 5.2
None
None None
None
None None
None
None None
None
None None
Switch
None None
Switch
None None
Preloaded operating system
®
Genuine Windows
7
Professional 64
Preloaded applications (only some listed)
®
● ThinkVantage
Product Recovery
● ThinkVantage System Update
● ThinkVantage Power Manager
● ThinkVantage Toolbox
● Norton™ Internet Security 2011
(30 days of virus defi nitions)
®
®
● Adobe
Reader
● Skype™ for Windows
● Windows Live™ Essentials
®
● Microsoft
Offi ce 2010 preloaded;
purchase product key to activate
®
● Corel
Burn.Now™ (DVD±RW)
● Corel DVD MovieFactory
Security
● Security chip (see information on left)
● One lock to secure both cover and
entire system to fi xed object:
-Padlock loop (in rear for opt padlock)
-Security slot (in rear for optional
®
Kensington
MicroSaver
● Power-on password
● Administrator password
● Hard disk password
● Boot sequence control
● Boot without keyboard and mouse
● Individual USB port disablement
● Some: Chassis intrusion switch
RoHS-compliant
Supports ThinkVantage Technologies
For compatible accessories,
please go to O-M77 sheet;
For Lenovo service upgrade options,
please go to S-TC sheet
(ABNY1-5) November 2011
Global
Win7
preload
Educ
N N Pro 64
N N Pro 64
N N Pro 64
N N Pro 64
N N Pro 64
N N Pro 64
®
(DVD±RW)
®
cable)
©Lenovo
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