Sharp Actius MC24 Notebook Computer Includes Rechargeable Battery / AC Adapter/Charger / Pre-installed operating system and utility software, warranty, and electronic documentation AMD Mobile Athlon XP-M Processor 2400+ with AMD PowerNow! Technology Support Microsoft Windows XP Home Edition with Service Pack 2 with Advanced Security Technology 512MB DDR SDRAM (PC2100) standard (expandable to 768MB) with up to 32MB shared for use with Video RAM 60GB Hard Drive