color=#000000 size=2>HP recommends Microsoft? Windows? XP Professional Intel? Centrino product Intel? 855PM Intel? PRO/Wireless Network Connection 802.11b 6 cell lithium ion battery 65 watt power adapter 95% keyboard with point stick Battery-free pressure pen with tether .8 inches thin 3lbs without keyboard attached, 4lbs with keyboard attached 10.4-inch display Docking station needed for optical drives NVIDIA GeForce 4 Go 420 32MB (4X AGP) graphics Interfaces: Type III cardbus expansion slot, two USB 2.0, RJ-45/FJ-11, infra red, VGA