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®
ThinkCentre
A57 Tower (9851) - TopSeller
Slot x
Name
Type-model
bay
A57
9851-B1U 4x4 Pentium E2180
A57
9851-B2U 4x4 Pentium E2180
A57
9851-B3U 4x4 Pentium E2180
A57
9851-A6U 4x4 Pentium E2200
☞
A57
9851-BSU 4x4 Pentium E2200
A57
9851-B4U 4x4 Core 2 Duo E4600 2.40
A57
9851-B5U 4x4 Core 2 Duo E4600 2.40
☞
A57
9851-A7U 4x4 Core 2 Duo E8200 2.66
• These small and medium business (SMB) models are part of the US TopSeller ™ Program
Positioning
Quality, reliability, and security for small/medium businesses
Processor
Intel
with dual-core, Intel 64 Technology, Execute Disable Bit, EIST,
800MHz system bus, and 1MB shared L2 cache or
Intel Core™ 2 Duo Processor E4600 with dual-core,
Intel 64 Technology, Execute Disable Bit, EIST,
800MHz system bus, and 2MB shared L2 cache or
Intel Core 2 Duo Processor E8200 with dual-core,
Intel 64 Technology, Virtualization Technology, Execute Disable Bit,
EIST, TXT, and 1333MHz system bus with 6MB shared L2 cache
Implementation
Processor in FC-LGA6 or FC-LGA8 package in LGA775 socket
Memory
512MB, 1GB, or 2GB std, 4GB max
non-parity, dual-channel capable, two 240-pin DIMM sockets;
Italics:
Non-italics: standard memory in one socket; one socket available
Graphics
Intel Graphics Media Accelerator 3100 (GMA 3100),
integrated graphics in G31, uses main memory (up to 256MB),
one analog VGA DB-15 connector,
supports dual independent display with optional ADD2 adapter
SATA disk
80GB or 160GB, SATA 3.0Gb/s 7200 rpm, vibration dampening mounts
SATA controller
Serial ATA, SATA 3.0Gb/s, integrated in ICH7
SATA DVD
Some: DVD-ROM DL SATA 1.5Gb/s 16X-48X Max
SATA Combo
Some: CD-RW/DVD-ROM Combo SATA 1.5Gb/s Drive
SATA DVD±RW
Some: Super Multi-Burner DL DVD±RW SATA 1.5Gb/s Drive
SATA cables
Two SATA cables (each 1-drop to device), four SATA connectors on planar
eSATA port
None
EIDE controller
Enhanced IDE, ATA-100, integrated in ICH7, one EIDE connector on planar
Diskette drive
None
Media reader
None
Chipset
Intel G31 Express Chipset; I/O Controller Hub 7 (ICH7) for SATA 3.0Gb/s,
ATA-100 EIDE, PCI Express
ITE Tech
Front ports
Two USB 2.0, microphone (stereo, 3.5mm), headphone (stereo, 3.5mm)
Rear ports
Four USB 2.0, serial (9-pin), parallel (25-pin), keyboard (PS/2), mouse (PS/2),
ethernet (RJ-45), monitor (VGA DB-15)
Internal connector
Two USB 2.0 planar connectors (one used; one open for media reader)
Rear audio ports
Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone (stereo, 3.5mm)
Audio
High Defi nition (HD) Audio, Realtek
Speaker
One internal speaker for business audio
Ethernet
Gigabit ethernet on planar, Marvell
Intel AMT
None
Modem
None
Security chip
None
Keyboard
Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo
Mouse
Optical Wheel Mouse (USB connector), 400 dpi, black, Lenovo logo
Power supply
280 watts with variable speed fan, manual switch
Preloaded operating system
®
- Microsoft
Windows
®
with Vista
COA
✧ Disk-to-Disk Recovery (in hidden
protected area)
Preloaded applications
• Rescue and Recovery™
• Client Security Solution™
• ThinkVantage Productivity Center
• System Migration Assistant
• Norton Internet Security™
• Diskeeper
®
Home
• Microsoft Offi ce 2007 Trial (60-day)
• Multimedia Center for Think Offerings
(combo, DVD, DVD±RW)
• Sonic RecordNow and Drive Letter
Access (combo, DVD±RW)
• Corel
®
®
WinDVD
(combo, DVD, DVD±RW)
• Corel WinDVD Creator (DVD±RW)
See footnotes for important warranty information
☞ US models announced March 18, 2008; previous models on February 26, 2008
Processor
cache
GHz
2.00
1MB
2.00
1MB
2.00
1MB
2.20
1MB
2.20
1MB
2MB
2MB
6MB
®
®
Pentium
Dual-Core Processor E2180 or E2200
standard memory in both sockets; no sockets avail;
®
x1, PCI 2.3, USB, LPC bus /
®
IT8718 Super I/O for serial, parallel, keyboard, mouse functions
20
Accessories
®
XP Professional
1GB PC2-5300 DDR2 UDIMM (TopSeller)
2GB PC2-5300 DDR2 UDIMM (TopSeller)
500GB SATA 3.0Gb/s (7200 rpm)
USB 2.0 Lenovo Multimedia Headset
USB 2.0 Essential Memory Key 32GB
5
(only some listed)
USB 2.0 Portable Secure 320GB Hard Disk 43R2019
DVD-ROM DL SATA 1.5Gb/s 16-48X Max
Super Multi-Burner DL DVD±RW SATA Drive 41N5620
ThinkVision
ThinkVision L2440p Wide 24" Monitor
Wireless Kbd & Opt Wheel Mouse (via USB) 73P4067
Laser Tilt Wheel Mouse (USB, PS/2)
Kensington Cable Lock from Lenovo
ADD2 DVI-I PCIe Connection Adapter
ADD2 DVI-D Monitor Connection (HDCP)
ATI™ Radeon™ HD 2400 Pro 128MB
ATI Radeon HD 2400 XT 256MB
ATI Radeon HD 2600 XT 512MB
Acc Guide in pdf lenovo.com/accessoriesguide
Other accessories at lenovo.com/accessories
L2
SATA
Core
Memory
8
disk
Dual 512MB 80GB
2
Dual 512MB 160GB
Dual 1GB
160GB
Dual 1GB
160GB
Dual 2GB
160GB
Dual 1GB
160GB
Dual 2GB
160GB
Dual 1GB
160GB
8
, PC2-5300 667MHz DDR2,
4
Drive
®
ALC662 codec
®
88E8056, PCIe x1, Wake on LAN
®
L2240p Wide 22" Monitor
Personal Systems Reference (PSREF)
2nd Disk
SATA
Bay
optical
Graphics
Preload
None
DVD
GMA
XP Pro
None
Combo
GMA
XP Pro
None
DVD±RW GMA
XP Pro
None
Combo
GMA
XP Pro
None
DVD±RW GMA
XP Pro
None
Combo
GMA
XP Pro
None
DVD±RW GMA
XP Pro
None
DVD±RW GMA
XP Pro
Tower
• Business black color; metal case
• 6.9" W X 17.3" D X 15.8" H
• 175mm W X 440mm D X 402mm H
• 24.2 lb (11.0 kg) in max confi guration
• Handle on top front
• Toolless cover removal
• Toolless disk, diskette drive,
optical drive removal
• Toolless adapter retention
Bay ① 5.25", 1.6" high, access,
Bay ② 5.25", 1.6" high, access,
Bay ③ 3.5", 1" high,
access,
Bay ④ 3.5", 1" high,
no access, std disk
Slot 1: half-length, full-height, PCI Express x16 (75w max)
Slot 2: half-length, full-height, PCI Express x1
Slot 3: half-length, full-height, 32-bit PCI 2.3
Slot 4: half-length, full-height, 32-bit PCI 2.3
•
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
•
Power-on password
•
Administrator password
•
Hard disk password
Boot sequence control
•
•
Boot without keyboard, mouse, diskette
•
Serial port I/O control
•
Parallel port I/O control
•
USB port disablement
Supports ThinkVantage
®
RoHS-compliant
➫ 3-year parts and labor
®
➫ International Warranty Service
logo
➫ Customer Replaceable Unit (CRU)
parts only (with limited onsite service
for selected parts
Mon - Fri coverage excluding holidays,
43R2001
next business day response time)
➫ Onsite service upgrade options
43R2002
43R1990
(in eligible locations):
40Y8518
3-year LOR 9x5, 4 hour response
•
45K1258
(ThinkPlus
3-year LOR 24x7, 4 hour response
•
41N5618
(ThinkPlus part number 45K5956)
4-year LOR 9x5, Next Business Day
•
4422HB6
(ThinkPlus part number 45K5957)
4420HB2
4-year LOR 9x5, 4 hour response
•
(ThinkPlus part number 45K5958)
41U3074
4-year LOR 24x7, 4 hour response
•
73P2582
(ThinkPlus part number 45K5959)
➫ ThinkPlus services at
73P2516
43R1985
lenovo.com/thinkplus/warranty
➫ Post warranty maintenance
43R1961
43R1962
services available
➫ 24 hour x 7 day
43R1963
during the warranty period
via 800-426-7378
Avail
Limited
Global
date
warranty
1
Educ
3-yr
None Mar 08
3-yr
None Mar 08
3-yr
None Mar 08
3-yr
None Mar 08
3-yr
None Apr 08
3-yr
None Mar 08
3-yr
None Mar 08
3-yr
None Apr 08
optical
②
③
disk
std optical
open
open (reader/diskette)
Security
®
Microsaver
®
cable)
®
technologies
1
Limited Warranty
9
3
, 8 am - 5 pm,
7
™
part number 45K5955)
14
toll-free support
1
© Lenovo
(TUNS1-5) April 2008
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