Lenovo ThinkCentre A51

Processor

Type: Intel Celeron D 351 / 3.2 GHz, Intel Pentium 4 531 / 3 GHz, Intel Pentium 4 640 / 3.2 GHz, Intel Pentium 4 650 / 3.4 GHz

64-bit Computing: Yes

Installed Qty: 1

Max Supported Qty: 1

Processor Main Features: Intel Extended Memory 64 Technology, Intel Execute Disable Bit, Hyper-Threading Technology, Intel Extended Memory 64 Technology, Intel Execute Disable Bit, Hyper-Threading Technology, Intel Extended Memory 64 Technology, Intel Execute Disable Bit, Enhanced Intel SpeedStep Technology

Cache memory

Type: L2 cache

Installed Size: 256 KB, 1 MB, 2 MB

Cache Per Processor: 256 KB, 1 MB, 2 MB

Mainboard

Chipset Type: Intel 915GV Express, Intel 915G Express

Data Bus Speed: 533 MHz, 800 MHz

Ram

Installed Size: 256 MB / 4 GB (max), 0 MB / 4 GB (max), 512 MB / 4 GB (max)

Technology: DDR II SDRAM

Memory Speed: 533 MHz, 400 MHz

Memory Specification Compliance: PC2-4200, PC2-3200

Form Factor: DIMM 240-pin

Features: Unbuffered, Unbuffered, two DDR channels

Storage controller

Type: 1 x Serial ATA - integrated

Channel Qty: 4

Controller Interface Type: Serial ATA-150

Storage controller (2nd)

Type: 1 x IDE - integrated

Controller Interface Type: ATA-100

Channel Qty: 1

Storage

Floppy Drive: 3.5" 1.44 MB floppy

Hard Drive: 1 x 40 GB - standard - Serial ATA-150 - 7200 rpm, None., 1 x 80 GB - standard - Serial ATA-150 - 7200 rpm

Optical storage

Type: CD-ROM - IDE, DVD-ROM - IDE, CD-RW / DVD-ROM combo - IDE

Read Speed: 48x, 16x, 48x (CD) / 16x (DVD)

Write Speed: 48x

Rewrite Speed: 32x

Monitor

Monitor Type: None.

Graphics controller

Type: Integrated

Graphics Processor / Vendor: Intel GMA 900

Video Memory: Dynamic Video Memory Technology 3.0

Audio output

Type: Sound card - integrated

Compliant Standards: AC '97, SoundMAX Cadenza, SoundMAX Cadenza

Sound Output Mode: Stereo

Input device

Type: Mouse, keyboard, Keyboard

Keyboard

Interface: PS/2

Keyboard Name: Preferred Pro Full-size

Mouse

Technology: Optical

Interface: USB

Features: Scroll

Networking

Networking: Network adapter - integrated, Network adapter - PCI Express x1 - integrated

Data Link Protocol: Ethernet, Fast Ethernet, Ethernet, Fast Ethernet, Gigabit Ethernet

Remote Management Protocol: DMI 2.0

Features: ACPI support, Wake on LAN (WoL), ACPI support

Manufacturer's product description

Expansion / connectivity

Expansion Bays Total (Free):

• 2 ( 1 ) x front accessible - 5.25" x 1/2H
• 1 ( 0 ) x front accessible - 3.5" Slim Line
• 1 ( 0 ) x internal - 3.5" Slim Line, 2 ( 2 ) x front accessible - 5.25" x 1/2H
• 1 ( 1 ) x front accessible - 3.5" Slim Line
• 1 ( 1 ) x internal - 3.5" Slim Line, 2 ( 1 ) x front accessible - 5.25" x 1/2H
• 1 ( 0 ) x front accessible - 3.5" x 1/3H
• 1 ( 0 ) x internal - 3.5" x 1/3H, 1 ( 0 ) x front accessible - 3.5" x 1/3H
• 1 ( 0 ) x internal - 3.5" x 1/3H
• 2 ( 1 ) x front accessible - 5.25" x 1/2H

Expansion Slots Total (Free):

• 1 ( 1 ) x PCI Express x1 - full-length, full-height
• 1 ( 1 ) x PCI - full-length, full-height
• 4 ( 3 ) x memory - DIMM 240-pin
• 1 ( 0 ) x processor - LGA775 Socket
• 1 ( 1 ) x PCI - half-length, full-height, 1 ( 0 ) x processor - LGA775 Socket
• 1 ( 1 ) x PCI Express x1 - full-length, full-height
• 1 ( 1 ) x PCI - full-length, full-height
• 4 ( 4 ) x memory - DIMM 240-pin
• 1 ( 1 ) x PCI - half-length, full-height
• 1 ( 1 ) x PCI Express x16 - full-length, full-height, 1 ( 0 ) x processor - LGA775 Socket
• 4 ( 3 ) x memory - DIMM 240-pin
• 1 ( 1 ) x PCI Express x1 - half-length, full-height
• 2 ( 2 ) x PCI - half-length, full-height, 1 ( 1 ) x PCI Express x1 - half-length, full-height
• 2 ( 2 ) x PCI - half-length, full-height
• 1 ( 0 ) x processor - LGA775 Socket
• 4 ( 3 ) x memory - DIMM 240-pin
• 1 ( 1 ) x PCI Express x16 - full-length, full-height

Interfaces:

• 1 x display / video - VGA - 15 pin HD D-Sub (HD-15)
• 1 x microphone - input - mini-phone 3.5 mm
• 1 x mouse - generic - 6 pin mini-DIN (PS/2 style)
• 1 x parallel - IEEE 1284 (EPP/ECP) - 25 pin D-Sub (DB-25)
• 1 x audio - line-out - mini-phone stereo 3.5 mm
• 1 x keyboard - generic - 6 pin mini-DIN (PS/2 style)
• 1 x network - Ethernet 10Base-T/100Base-TX - RJ-45
• 1 x serial - RS-232 - 9 pin D-Sub (DB-9)
• 6 x Hi-Speed USB - 4 pin USB Type A
• 1 x audio - line-in - mini-phone stereo 3.5 mm, 6 x Hi-Speed USB - 4 pin USB Type A
• 1 x mouse - generic - 6 pin mini-DIN (PS/2 style)
• 1 x keyboard - generic - 6 pin mini-DIN (PS/2 style)
• 1 x microphone - input - mini-phone mono 3.5 mm
• 1 x headphones - output - mini-phone stereo 3.5 mm
• 1 x audio - line-in - mini-phone stereo 3.5 mm
• 1 x audio - line-out - mini-phone stereo 3.5 mm
• 1 x serial - RS-232 - 9 pin D-Sub (DB-9)
• 1 x display / video - VGA - 15 pin HD D-Sub (HD-15)
• 1 x network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45
• 1 x parallel - IEEE 1284 (EPP/ECP) - 25 pin D-Sub (DB-25), 2 x microphone - input - mini-phone mono 3.5 mm
• 1 x audio - line-in - mini-phone stereo 3.5 mm
• 1 x audio - line-out - mini-phone stereo 3.5 mm
• 1 x headphones - output - mini-phone stereo 3.5 mm
• 1 x serial - RS-232 - 9 pin D-Sub (DB-9)
• 1 x parallel - IEEE 1284 (EPP/ECP) - 25 pin D-Sub (DB-25)
• 1 x keyboard - generic - 6 pin mini-DIN (PS/2 style)
• 1 x mouse - generic - 6 pin mini-DIN (PS/2 style)
• 1 x network - Ethernet 10Base-T/100Base-TX - RJ-45
• 1 x display / video - VGA - 15 pin HD D-Sub (HD-15)
• 6 x Hi-Speed USB - 4 pin USB Type A, 1 x parallel - IEEE 1284 (EPP/ECP) - 25 pin D-Sub (DB-25)
• 1 x serial - RS-232 - 9 pin D-Sub (DB-9)
• 6 x Hi-Speed USB - 4 pin USB Type A ( 2 in front )
• 1 x mouse - generic - 6 pin mini-DIN (PS/2 style)
• 1 x keyboard - generic - 6 pin mini-DIN (PS/2 style)
• 1 x display / video - VGA - 15 pin HD D-Sub (HD-15)
• 1 x audio - line-in - mini-phone stereo 3.5 mm
• 1 x audio - line-out - mini-phone stereo 3.5 mm
• 2 x microphone - input - mini-phone mono 3.5 mm ( 1 in front )
• 1 x network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45
• 1 x headphones - output - mini-phone stereo 3.5 mm

Miscellaneous

Features: Administrator password, hard drive password, power-on password, boot without keyboard or mouse, diskette I/O control, parallel port I/O control, serial port I/O control, USB port control, U-Bolt anchoring, boot sequence control, Security lock slot (cable lock sold separately), administrator password, hard drive password, power-on password, boot without keyboard or mouse, diskette I/O control, hard drive I/O control, parallel port I/O control, serial port I/O control, U-Bolt anchoring, boot sequence control, Security lock slot (cable lock sold separately), administrator password, system password, hard drive password, power-on password, boot without keyboard or mouse, diskette I/O control, hard drive I/O control, parallel port I/O control, serial port I/O control, USB port control, U-Bolt anchoring, boot sequence control, Administrator password, hard drive password, power-on password, boot without keyboard or mouse, diskette I/O control, hard drive I/O control, parallel port I/O control, serial port I/O control, USB port control, U-Bolt anchoring, boot sequence control

Compliant Standards: ACPI 1.0b, CSA, UL, IEC 60950, UL 60950, FCC Part 15 B, ACPI, CSA, UL, IEC 60950, UL 60950, FCC Part 15 B, CE, TUV GS, GOST, EPA Energy Star, IEC 60950

Power

Device Type: Power supply

Voltage Required: AC 120/230 V ( 50/60 Hz )

Power Provided: 310 Watt

Operating system / software

OS Provided: Microsoft Windows XP Professional

OS Certified: Microsoft Windows 2000 Professional, Microsoft Windows XP Home Edition, Microsoft Windows XP Professional

Software: PC Doctor, ThinkVantage Rescue and Recovery with Rapid Restore, Norton Antivirus 2005 (90 days subscription), Access Program, Lotus SmartSuite Millennium, PC Doctor, ThinkVantage Rescue and Recovery with Rapid Restore, Norton Antivirus 2005 (90 days subscription), Access Program, Lotus Notes Stand-alone Client license, PC Doctor, ThinkVantage Rescue and Recovery with Rapid Restore, Norton Antivirus 2005 (90 days subscription), Access Program, Lotus Notes Stand-alone Client license, Lotus SmartSuite Millennium license

Manufacturer warranty

Service & Support: 1 year warranty, 3 years warranty

Service & Support Details: Limited warranty - parts and labor - 1 year - on-site, Limited warranty - parts and labor - 3 years - carry-in, Limited warranty - parts and labor - 3 years - on-site

Environmental parameters

Min Operating Temperature: 50 °F

Max Operating Temperature: 95 °F

Humidity Range Operating: 8 - 80%

Sound Emission: 29 dBA, 28 dBA

Ciao

Listed on Ciao since : 12/28/2007