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IBM ThinkPad R51 1830‑DG4 Specifications

This ThinkPad model is based on the ThinkPad R51 1830‑BRG.

CPU and Memory

Processor Manufacturer   Intel
Processor Class   Pentium M (Banias)
Processor Speed   1.7 GHz
Cache Size   1 MB
Installed Memory   512 MB
Maximum Memory   2 GB
Memory Technology   PC2700 DDR SDRAM (333 MHz)


Hard Disk Model   Hitachi IC25N080ATMR04
Hard Disk Capacity   80 GB
Hard Disk Speed   4200 rpm
Included Drives   Matsushita DVD‑RAM UJ‑811 (DVD Multi-Burner)
Writes   CD-R(W), DVD-R(W), DVD-RAM

Display and Graphics

Display Size   15in
Display Type   FlexView IPS LCD (Samsung LTN150P1‑L02)
Display Resolution   1400×1050 pixels (SXGA+)
Graphics Processor   ATI Mobility Radeon 9000
Graphics Memory   32 MB DDR SDRAM
Max. External Resolution   1600×1200 pixels


Battery Life   up to 4 hours
Battery Type   6 cell Li‑Ion battery
Battery Capacity   4.4 Ah
Battery Manufacturer   Sanyo or Sony

Communications and Networking

Bluetooth   No
Modem Speed   56Kbps V.92 Software Modem (CDC)
Network Support   Intel Pro/1000 10/100/1000 MBit Ethernet
Wireless Network Support   Intel PRO/Wireless 2200BG IEEE 802.11b/g


Shipped Operating System   Microsoft Windows XP Professional
Preinstalled   Yes


Audio   1 x microphone - input - mini-phone mono 3.5 mm , 1 x audio - line-out/headphones - mini-phone stereo 3.5 mm
FireWire   1 x IEEE 1394a (FireWire 400) - 4 pin FireWire plug
Modem   1 x modem - phone line - RJ-11
Network   1 x network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45
Parallel Port   1 x parallel - IEEE 1284 (EPP/ECP) - 25 pin D-Sub (DB-25)
PC Card   1 x CardBus slot Type III
USB   2 x Hi-Speed USB - 4 pin USB Type A
Video   1 x VGA - 15 pin HD D-Sub (HD-15), 1 x S-Video - 4 pin mini Din
Docking Port   Yes

General Product Info

Input Devices   Keyboard, UltraNav
Sound Card   Intel ICH4-M AC'97 (rev. 01)
Security   Security chip
Weight (approximate)   3.0 kg (6.6 lb)
Dimensions (W–D–H)   332 mm × 269 mm × 37–40 mm (13.1 in × 10.6 in × 1.47–1.58 in)