| Product Description | Lenovo ThinkCentre A55 9641 - Pentium D 915 2.8 GHz |
| Type | Personal computer |
| Windows Vista Certification | Windows Vista Capable |
| Form Factor | Small form factor |
| Dimensions (WxDxH) | 31 cm x 35.8 cm x 8.5 cm |
| Weight | 8.5 kg |
| Processor | 1 x Intel Pentium D 915 / 2.8 GHz ( Dual-Core ) |
| Processor Main Features | Intel Extended Memory 64 Technology |
| Cache Memory | 4 MB L2 Cache |
| Cache Per Processor | 4 MB ( 2 x 2 MB ) |
| RAM | 1 GB (installed) / 4 GB (max) - DDR2 SDRAM - non-ECC - 667 MHz - PC2-5300 |
| Storage Controller | Serial ATA ( Serial ATA-300 ) |
| Hard Drive | 1 x 80 GB - standard - Serial ATA-300 |
| Optical Storage | CD-RW / DVD-ROM combo |
| Monitor | None. |
| Graphics Controller | Intel GMA 3000 |
| Audio Output | Sound card |
| Networking | Network adapter - PCI Express x1 - Ethernet, Fast Ethernet, Gigabit Ethernet |
| Power | AC 120/230 V ( 50/60 Hz ) |
| OS Provided | Microsoft Windows Vista Business |
| Manufacturer Selling Program | TopSeller |
| Environmental Standards | EPA Energy Star |
| Manufacturer Warranty | 3 years warranty ( on-site ) |
GENERAL |
| Type | Personal computer |
| Windows Vista Certification | Windows Vista Capable |
| Product Form Factor | Small form factor |
| Built-in Devices | Speaker |
| Width | 31 cm |
| Depth | 35.8 cm |
| Height | 8.5 cm |
| Weight | 8.5 kg |
| Colour | Business black |
PROCESSOR |
| Type | Intel Pentium D 915 / 2.8 GHz |
| Multi-Core Technology | Dual-Core |
| 64-bit Computing | Yes |
| Installed Qty | 1 |
| Max Supported Qty | 1 |
| Processor Main Features | Intel Extended Memory 64 Technology |
CACHE MEMORY |
| Type | L2 Cache |
| Installed Size | 4 MB |
| Cache Per Processor | 4 MB ( 2 x 2 MB ) |
MAINBOARD |
| Chipset Type | Intel 946GZ Express |
| Data Bus Speed | 800 MHz |
RAM |
| Installed Size | 1 GB / 4 GB (max) |
| Technology | DDR2 SDRAM - non-ECC |
| Memory Speed | 667 MHz |
| Memory Specification Compliance | PC2-5300 |
| Form Factor | DIMM 240-pin |
| Features | Unbuffered, two DDR channels |
| Configuration Features | 1 x 1 GB |
STORAGE CONTROLLER |
| Type | 1 x Serial ATA - integrated |
| Controller Interface Type | Serial ATA-300 |
| Channel Qty | 2 |
STORAGE |
| Hard Drive | 1 x 80 GB - standard - Serial ATA-300 - 7200 rpm - vibration dampening |
OPTICAL STORAGE |
| Type | CD-RW / DVD-ROM combo - IDE |
| Read Speed | 48x (CD) / 16x (DVD) |
| Write Speed | 48x |
| CD / DVD Rewrite Speed | 32x |
MONITOR |
| Monitor Type | None. |
GRAPHICS CONTROLLER |
| Type | Integrated |
| Graphics Processor / Vendor | Intel GMA 3000 |
| Video Memory | Dynamic Video Memory Technology 4.0 |
| Max Allocated RAM Size | 256 MB |
| Digital Video Standard | Digital Visual Interface (DVI) |
AUDIO OUTPUT |
| Type | Sound card - integrated |
| Compliant Standards | SoundMAX, High Definition Audio |
INPUT DEVICE |
| Type | Mouse, keyboard |
KEYBOARD |
| Keyboard Name | Preferred Pro USB |
| Interface | USB |
MOUSE |
| Technology | Optical |
| Interface | USB |
| Features | Scroll |
NETWORKING |
| Networking | Network adapter - PCI Express x1 - integrated |
| Ethernet Controller(s) | Broadcom BCM5786 |
| Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
| Remote Management Protocol | DMI 2.0 |
| Features | Wake on LAN (WoL), ACPI support |
EXPANSION / CONNECTIVITY |
| Expansion Bays Total (Free) | 1 ( 0 ) x front accessible - 5.25" x 1/2H
1 ( 1 ) x front accessible - 3.5" x 1/6H
1 ( 0 ) x internal - 3.5" x 1/3H |
| Expansion Slots Total (Free) | 1 ( 0 ) x processor - LGA775 Socket
2 ( 1 ) x memory - DIMM 240-pin
1 ( 0 ) x PCI Express x1 - half-length, full-height
1 ( 1 ) x PCI - half-length, full-height |
| Interfaces | 8 x Hi-Speed USB - 4 PIN USB Type A ( 2 in front )
1 x network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45
1 x microphone - input - mini-phone mono 3.5 mm ( 1 in front )
1 x headphones - output - mini-phone stereo 3.5 mm ( 1 in front )
1 x audio - line-out - mini-phone stereo 3.5 mm
1 x audio - line-In - 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 display / video - VGA - 15 pin HD D-Sub (HD-15)
1 x display / video - DVI-Analog/Digital - 29 pin combined DVI |
MISCELLANEOUS |
| Cables Included | DVI adapter |
| Features | 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, USB port control, boot sequence control |
| Compliant Standards | CE, UL, TUV GS, C-Tick, ISO 9241-3, VCCI Class B ITE, GOST, BSMI CNS 13438 Class B, cUL, NOM, SABS, SASO, CB, FCC Part 15 B, CCC, MIC, IRAM, ACA, JEITA |
| Manufacturer Selling Program | TopSeller |
POWER |
| Device Type | Power supply |
| Voltage Required | AC 120/230 V ( 50/60 Hz ) |
| Power Provided | 225 Watt |
OPERATING SYSTEM / SOFTWARE |
| OS Provided | Microsoft Windows Vista Business |
| OS Certified | Microsoft Windows 2000 Professional , IBM PC DOS 2000, Microsoft Windows XP Home Edition, Microsoft Windows XP Professional |
| Software | Adobe Acrobat Reader, PC Doctor, Sun Java Runtime Environment, Google Toolbar, ThinkVantage Rescue and Recovery, ThinkVantage Client Security, ThinkVantage Productivity Center, ThinkVantage System Update, Symantec Client Security (with 90 days of updates) (OEM), Google Desktop, Google Picasa, Norton Internet Security (90 days subscription) (OEM), Diskeeper 9.0 Home, Microsoft Office Hybrid Pro image 2007 |
ENVIRONMENTAL STANDARDS |
| EPA Energy Star Compliant | Yes |
MANUFACTURER WARRANTY |
| Service & Support | 3 years warranty |
| Service & Support Details | Limited warranty - parts and labour - 3 years - on-site |
ENVIRONMENTAL PARAMETERS |
| Min Operating Temperature | 10 °C |
| Max Operating Temperature | 35 °C |
| Humidity Range Operating | 8 - 80% |
