Lenovo ThinkPad Z61m, Intel® Core™ Duo, 2 GHz, 39,1 cm (15.4"), 1680 x 1050 pixels, 1 GB, 100 GB Lenovo ThinkPad Z61m. Processor family: Intel® Core™ Duo, Processor model: T2500, Processor frequency: 2 GHz. Display diagonal: 39,1 cm (15.4"), Display resolution: 1680 x 1050 pixels. Internal memory: 1 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 100 GB, Optical drive type: DVD±RW. Discrete graphics card model: AMD Mobility Radeon X1400. Operating system installed: Windows XP Professional. Weight: 3 kg