| Product Description | Lenovo ThinkCentre A55 8705 - Pentium D 925 3 GHz |
| Type | Personal computer |
| Form Factor | Tower |
| Dimensions (WxDxH) | 17.5 cm x 44 cm x 40.2 cm |
| Weight | 10.9 kg |
| Processor | 1 x Intel Pentium D 925 / 3 GHz ( Dual-Core ) |
| Processor Main Features | Intel Extended Memory 64 Technology, Intel Execute Disable Bit, Enhanced Intel SpeedStep Technology |
| Cache Memory | 4 MB L2 Cache |
| Cache Per Processor | 4 MB ( 2 x 2 MB ) |
| RAM | 512 MB (installed) / 4 GB (max) - DDR2 SDRAM - non-ECC - 667 MHz - PC2-5300 |
| Storage Controller | Serial ATA ( Serial ATA-300 ) ; IDE ( ATA-100 ) |
| 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 XP Professional |
| Manufacturer Selling Program | TopSeller |
| Environmental Standards | EPA Energy Star |
| Manufacturer Warranty | 1 year warranty |
GENERAL |
| Type | Personal computer |
| Product Form Factor | Tower |
| Built-in Devices | Speaker |
| Width | 17.5 cm |
| Depth | 44 cm |
| Height | 40.2 cm |
| Weight | 10.9 kg |
| Colour | Business black |
PROCESSOR |
| Type | Intel Pentium D 925 / 3 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, Intel Execute Disable Bit, Enhanced Intel SpeedStep 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 | 512 MB / 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 512 MB |
STORAGE CONTROLLER |
| Type | 1 x Serial ATA - integrated |
| Controller Interface Type | Serial ATA-300 |
| Channel Qty | 2 |
STORAGE CONTROLLER (2ND) |
| Type | 1 x IDE - integrated |
| Controller Interface Type | ATA-100 |
| Channel Qty | 1 |
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 |
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) | 2 ( 1 ) x front accessible - 5.25" x 1/2H
1 ( 0 ) x internal - 3.5" x 1/3H
1 ( 1 ) x front accessible - 3.5" x 1/3H |
| Expansion Slots Total (Free) | 1 ( 1 ) x PCI Express x16 - half-length, full-height
1 ( 1 ) x PCI Express x1 - half-length, full-height
2 ( 2 ) x PCI - half-length, full-height
2 ( 1 ) x memory - DIMM 240-pin
1 ( 0 ) x processor - LGA775 Socket |
| Interfaces | 1 x microphone - input - mini-phone mono 3.5 mm ( 1 in front )
6 x Hi-Speed USB - 4 PIN USB Type A ( 2 in front )
1 x headphones - output - mini-phone stereo 3.5 mm ( 1 in front )
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 network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45
1 x audio - line-In - mini-phone stereo 3.5 mm
1 x audio - line-out - mini-phone stereo 3.5 mm |
MISCELLANEOUS |
| 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, IRAM, ACPI 2.3, ACA, JEITA |
| Manufacturer Selling Program | TopSeller |
POWER |
| Device Type | Power supply |
| Voltage Required | AC 120/230 V ( 50/60 Hz ) |
| Power Provided | 250 Watt |
OPERATING SYSTEM / SOFTWARE |
| OS Provided | Microsoft Windows XP Professional |
| 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, Google Toolbar, ThinkVantage Rescue and Recovery, ThinkVantage Client Security, Lotus Notes Stand-alone Client licence, Lotus SmartSuite Millennium licence, ThinkVantage System Update, Symantec Client Security (with 90 days of updates), Diskeeper Lite, Google Desktop, Google Picasa |
ENVIRONMENTAL STANDARDS |
| EPA Energy Star Compliant | Yes |
MANUFACTURER WARRANTY |
| Service & Support | 1 year warranty |
| Service & Support Details | Limited warranty - parts and labour - 1 year - carry-in |
ENVIRONMENTAL PARAMETERS |
| Min Operating Temperature | 10 °C |
| Max Operating Temperature | 35 °C |
| Humidity Range Operating | 10 - 80% |
| Sound Emission | 29 dBA |
