HP Pavilion dm1z series specification :
Genuine Windows 7 Home Premium 64-bit
AMD Dual-Core Processor E-300 (1.3GHz, 1MB L2 Cache)+AMD Radeon(TM) HD 6310M Discrete-Class Graphics
FREE Upgrade to 4GB DDR3 System Memory (1 Dimm)
320GB 5400 rpm Hard Drive
802.11b/g/n WLAN and Bluetooth(R) Up to 10 hours of battery life (6 cell)+++
