IBM ThinkPad T41 (23739KU) Laptop (1.7 GHz Pentium M, 512 MB RAM, 60 GB Hard Drive, DVD/CD-RW Combo) Operating System: Microsoft Windows XP Professional Processor: Intel Pentium M 1.5 GHz  Intel Pentium M 1.7 GHz Installed Memory: 1 GB (DDR SDRAM) Memory: 256 MB (DDR SDRAM) Display: 14.1 Inch XGA TFT LCD