eMachines Notebook PC with AMD Athlon(TM) 64 3000+ Processor (M6805) 64-bit Architecture operates at 1.8GHz System Bus uses HyperTransport Technology operating at 1.6GHz 1MB of L2 Cache RAM is expandable to 1.2GB Built-in 802.11g Wi-Fi Wireless LAN Adapter (up to 54Mbps)