General
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Packaged Quantity
1
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Platform Technology
Intel Centrino
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Built-in Devices
ThinkLight
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Embedded Security
Trusted Platform Module (TPM) Security Chip
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Operating System
Microsoft Windows XP Professional
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Notebook type
Mid-size laptops (6-7.5 lbs.)
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Manufacturer
Lenovo
Processor / Chipset
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CPU
Intel Pentium M 725 / 1.6 GHz
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Cache
L2 – 2 MB
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Data Bus Speed
400 MHz
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Chipset Type
Intel 855PM
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Features
Enhanced SpeedStep technology
Cache Memory
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Type
L2 cache
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Installed Size
2 MB
Storage
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Optical Drive
CD-RW / DVD-ROM combo removable
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Type
none
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Read Speed
24x (CD) / 8x (DVD)
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Write Speed
24x
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Rewrite Speed
24x
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Type
portable
Memory
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RAM
512 MB
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Max Supported Size
2 GB
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Technology
DDR SDRAM
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Speed
333 MHz / PC2700 – 333 MHz
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Form Factor
SO-DIMM 200-pin
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Slots Qty
2
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Empty Slots
1
RAM
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Memory Speed
333 MHz
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Memory Specification Compliance
PC2700
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Technology
DDR SDRAM
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Installed Size
512 MB
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Rated Memory Speed
333 MHz
Display
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Resolution
1400 x 1050 (SXGA+)
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Widescreen Display
No
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Color Support
24-bit (16.7 million colors)
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Monitor Features
FlexView
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Diagonal Size (metric)
38.1 cm
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Display Resolution Abbreviation
SXGA+
Audio & Video
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Graphics Processor
AGP 4x – ATI Mobility Radeon 9000
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Sound
Stereo speakers, microphone
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Audio Codec
AD1981B
Hard Drive
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Spindle Speed
4200 rpm
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Type
HDD
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Capacity
60 GB
Input
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Type
TrackPoint,
UltraNav,
keyboard
Communications
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Wireless Protocol
802.11b/g
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Wireless Controller
Intel PRO/Wireless 2200BG
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Wired Protocol
Gigabit Ethernet
Processor
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CPU Type
Pentium M
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Processor Number
725
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Manufacturer
Intel
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Clock Speed
1.6 GHz
Optical Storage
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Drive Type
CD-RW / DVD
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Type
CD-RW / DVD-ROM combo
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Form Factor
removable
Modem
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Features
V.92 upgradable
Battery
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Technology
lithium ion
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Run Time (Up To)
3.7 hour(s)
AC Adapter
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Input
AC 120/230 V (50/60 Hz)
Connections & Expansion
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Expansion Bays
1 x Ultrabay Enhanced
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Slots
2 x memory (1 free)
1 x CardBus (1 free) -
Interfaces
1 x IEEE 1394 (FireWire) 4 pin FireWire
1 x display / video – VGA – 15 pin HD D-Sub (HD-15)
2 x USB 2.0 4 pin USB Type A
1 x parallel – IEEE 1284 (EPP/ECP) – 25 pin D-Sub (DB-25)
1 x infrared IrDA
1 x modem – phone line – RJ-11
1 x network – Ethernet 10Base-T/100Base-TX/1000Base-T – RJ-45
1 x display / video – S-video output – 4 pin mini-DIN
1 x microphone – input – mini-phone 3.5 mm
1 x headphones – output – mini-phone stereo 3.5 mm
1 x docking / port replicator
Header
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Brand
Lenovo
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Product Line
Lenovo ThinkPad R51
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Model
1831
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Localization
English
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Country Kits
United States
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Packaged Quantity
1
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Compatibility
PC
Networking
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Max Transfer Rate
56 Kbps
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Data Link Protocol
Ethernet,
Fast Ethernet,
Gigabit Ethernet,
IEEE 802.11b,
IEEE 802.11g -
Remote Management Protocol
CIM,
DMI 2.0 -
Wireless LAN Supported
Yes
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Wireless NIC
Intel PRO/Wireless 2200BG
Miscellaneous
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Color
black
-
Integrated Options
ThinkLight
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Security
Trusted Platform Module (TPM) Security Chip
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Features
ThinkVantage Active Protection System,
ThinkVantage Embedded Security Subsystem 2.0,
hard drive password,
power-on password,
security lock slot (cable lock sold separately),
system password,
wake on LAN -
Compliant Standards
ACPI 1.0b,
ACPI 2.0,
BSMI,
CER,
CISPR 22 Class B,
DDC-2B,
FCC Part 15 B,
IEC950,
JATE,
NOM,
SASO,
UL 1950,
VCCI Class B ITE
System
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Platform Technology
Intel Centrino
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Notebook Type
notebook
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Platform
Windows
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Hard Drive Capacity
60 GB
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Embedded Security
Trusted Platform Module (TPM) Security Chip
Monitor
-
Diagonal Size
15 in
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Color Support
24-bit (16.7 million colors)
Graphics Controller
-
Interface Type
AGP 4x
Dimensions & Weight
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Width
13.1 in
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Depth
10.6 in
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Height
1.6 in
Audio Output
-
Compliant Standards
AC ’97,
DirectSound,
SoundMAX
Manufacturer Warranty
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Type
3 years warranty
Mainboard
-
Data Bus Speed
400 MHz
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Chipset Type
Intel 855PM
Physical Characteristics
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Weight
6.61 lbs
Operating System / Software
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OS Provided: Type
Microsoft Windows XP Professional
Video Output
-
Graphics Processor
ATI Mobility Radeon 9000
-
Graphics Processor Series
ATI Mobility Radeon
Video Memory
-
Technology
DDR SDRAM
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Installed Size
32 MB
Expansion Bays
-
Total Qty
1
Service & Support
-
Type
3 years warranty
Service & Support Details
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Type
limited warranty
-
Service Included
parts and labor
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Location
carry-in
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Full Contract Period
1 year,
3 years
General
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Manufacturer
Lenovo