Compaq Presario CQ62-220US Notebook PC. Genuine Windows 7 Home Premium 64-bit, VISION Technology from AMD with AMD Athlon II Dual-Core Processor for Notebook PCs P320, 2.10GHz, Up to 3.2 GT/s system bus running at AC/DC mode 25 watt, 1MB L2 Cache, 3GB DDR3 System Memory (2 DIMM) Max supported = 8GB, 2 Accessible Memory Slots, ATI Mobility Radeon HD 4250 Graphics with up to 1405MB total graphics memory