ThinkPad R51 1831 - Pentium M 1.7 GHz - 14.1" TFT

Expansion / Connectivity
Expansion Bays - 1 x front accessible
Expansion Slots Total (Free) - 1 ( 1 ) x CardBus - type I/II/III ?2 ( 1 ) x memory - SO DIMM 200-pin
Interfaces - 2 x Hi-Speed USB ?1 x parallel - IEEE 1284 (EPP/ECP) - 25 pin D-Sub (DB-25) ?1 x display / video - VGA - 15 pin HD D-Sub (HD-15) ?1 x infrared - IrDA ?1 x modem - phone line - RJ-11 ?1 x network - Ethernet 10Base-T/100Base-TX - RJ-45 ?1 x display / video - S-video output - 4 pin mini-DIN ?1 x IEEE 1394 (FireWire) - 4 pin FireWire ?1 x microphone - input - mini-phone 3.5 mm ?1 x headphones - output - mini-phone stereo 3.5 mm
Operating System / Software
OS Provided - Microsoft Windows XP Professional
Battery
Installed Qty - 1 / 2 (max)
Technology - Lithium ion
General
Weight - 6.6 lbs
Height - 1.5 in
Width - 12.4 in
Depth - 10.2 in
Built-in Devices - Stereo speakers, wireless LAN antenna, ThinkLight
System Type - Notebook
Miscellaneous
Features - Locking device keyhole (cable lock), administrator password, hard drive password, power-on password, asset ID, wake on LAN, ThinkVantage Embedded Security Subsystem 2.0, ThinkVantage Active Protection System
Compliant Standards - ACPI 2.0, ACPI 1.0b, DDC-2B
Audio
Audio Input - Microphone
Audio Codec - AD1981B
Audio Output - Sound card
Compliant Standards - DirectSound, AC '