Lenovo ThinkPad T61 7658-18U Laptop (2.2 GHz Intel Core 2 Duo T7500 Processor, 1 GB RAM, 160 GB Hard Drive) Box Contents - ThinkPad T61 7658-18U Notebook, Lithium-ion Battery Pack, AC power adapter, Power Cord, Software Bundle - Windows XP Professional Intel Core 2 Duo T7500 2.2GHz Processor 4MB L2 Cache, 800MHz Bus speed 1024MB DDR2 (PC2-5300) RAM Max - 4GB 160GB (5400RPM) SATA Hard Drive