IBM ThinkPad R52 Pentium M 740 1.73GHz 1GB 40GB CDRW/DVD 15" Ubuntu Linux w/6-Cell Battery IBM ThinkPad R52 Pentium M 1.73 GHz Notebook General Features: Ubuntu Linux pre-installed Intel Pentium M 740 1.73 GHz processor Intel Centrino Mobile Technology platform 1 GB DDR2 RAM 40 GB hard drive CDRW/DVD-ROM drive Integrated video Integrated audio w/built-in speakers Integrated 802.11b/g Wireless LAN Integrated 56K modem Integrated Gigabit Ethernet Keyboard with touchpad and touchstick