Lenovo ThinkCentre A51 Pentium 4 640 HT 3.2GHz

Lenovo ThinkCentre A51 Pentium 4 640 HT 3.2GHz

Model ThinkCentre A51 Pentium 4 640 HT 3.2GHzPart no. VLE7LMH

98 specifications
  • ProcessorIntel® Pentium® 4
  • Memory0.5 GB
  • Storage80 GB
  • GraphicsIntel® GMA 900
  • TypePC
  • OSWindows XP Professional
See all specifications

Overview

Processor
Intel® Pentium® 4
Memory
0.5 GB
Storage
80 GB
Graphics
Intel® GMA 900
Type
PC
OS
Windows XP Professional
Brand
Lenovo
Model
ThinkCentre A51 Pentium 4 640 HT 3.2GHz
Part numbers
VLE7LMH, VLE7LUK
Also known as
Lenovo ThinkCentre A51 Pentium 4 640 HT 3.2GHz Intel® Pentium® 4 0.5 GB DDR-SDRAM 80 GB Intel® GMA 900 Windows XP Professional SFF PC

Specifications

98 specifications in 16 groups

Processor

SpecificationValue
Processor manufacturerIntel
Processor familyIntel® Pentium® 4
Processor model640
Processor cores1
Processor threads2
Processor frequency3.2 GHz
Processor cache2 MB
Processor cache typeL2
Processor front side bus800 MHz
Bus typeFSB
FSB ParityNo
Processor lithography90 nm
Processor operating modes64-bit
Processor codenamePrescott
Thermal Design Power (TDP)84 W
Tcase66.6 °C
PCI Express slots version2.0
Processor socketLGA 775 (Socket T)
Number of Processing Die Transistors169 M
Processing Die size135 mm²
CPU multiplier (bus/core ratio)16
Processor core voltage (AC)1.25 - 1.388 V
Maximum internal memory supported by processor32 GB
Memory types supported by processorDDR3-SDRAM
Memory clock speeds supported by processor1066 MHz
Memory bandwidth supported by processor (max)17 GB/s
ECC supported by processorNo

Memory

SpecificationValue
Internal memory0.5 GB
Maximum internal memory2 GB
Internal memory typeDDR-SDRAM
Memory channelsDual-channel

Storage

SpecificationValue
Total storage capacity80 GB
Optical drive typeDVD-ROM
HDD interfaceSATA
HDD speed7200 RPM
Diskette drive memory1.44 MB

Graphics

SpecificationValue
On-board graphics cardYes
Discrete graphics card modelIntel® GMA 900
On-board graphics card familyIntel® HD Graphics
On-board graphics card modelIntel® HD Graphics
Number of displays supported (on-board graphics)2
On-board graphics card base frequency850 MHz
On-board graphics card dynamic frequency (max)1100 MHz
Video adapter resolution2048x1536 16777216 colors
Video adapter, busPCI Express

Performance

SpecificationValue
Product typePC

Optical drive

SpecificationValue
CD read speed48x
CD write speed48x
CD rewrite speed32x
DVD read speed16x

Network

SpecificationValue
Networking featuresEthernet/Fast Ethernet/Gigabit Ethernet

Ports & interfaces

SpecificationValue
USB 2.0 ports quantity8
Ethernet LAN (RJ-45) ports1
Headphone outputs1
Microphone inYes
VGA (D-Sub) ports quantity1
PS/2 ports quantity2
Parallel ports quantity1

Power

SpecificationValue
Power supply225 W

Design

SpecificationValue
Chassis typeSFF

Software

SpecificationValue
Operating system installedWindows XP Professional
Bundled softwareLotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 OEM Version, PC Doctor diagnosti

Display

SpecificationValue
Display includedNo

Processor special features

SpecificationValue
CPU configuration (max)1
Embedded options availableNo
Enhanced Intel SpeedStep TechnologyYes
Execute Disable BitYes
Idle StatesNo
Intel 64Yes
Intel Clear Video TechnologyNo
Intel Demand Based SwitchingNo
Intel Enhanced Halt StateNo
Intel Rapid Storage TechnologyNo
Intel Trusted Execution TechnologyNo
Intel Virtualization Technology (VT-x)No
Intel Virtualization Technology for Directed I/O (VT-d)No
Intel® AES New Instructions (Intel® AES-NI)No
Intel® Clear Video HD Technology (Intel® CVT HD)No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)No
Intel® InTru™ 3D TechnologyNo
Intel® Insider™No
Intel® Wireless Display (Intel® WiDi)No
Processor ARK ID27480
Processor package size37.5 x 37.5 mm
Supported instruction setsSSE4.1/4.2
Thermal Monitoring TechnologiesYes
Intel® Turbo Boost TechnologyNo
Intel® Hyper Threading Technology (Intel® HT Technology)Yes
Intel® Quick Sync Video TechnologyNo
Intel® My WiFi Technology (Intel® MWT)No
Intel® Anti-Theft Technology (Intel® AT)No
Conflict-Free processorNo

Audio

SpecificationValue
Audio systemSoundMAX Cadenza

Weight & dimensions

SpecificationValue
Width309 mm
Depth359 mm
Height85 mm
Weight8.5 kg

Other features

SpecificationValue
Security features-Boot without keyboard or mouse -Configuration password -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring featu

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