color=#000000 size=2>HP recommends Microsoft? Windows? XP Professional Intel? 855PM chipset with 400MHz processor side bus and enhanced SpeedStep technology 8 cell lithium ion battery 65 watt power adapter Dual pointing devices 1.6 inches thin and 6.5lbs 15-inch display One fixed optical and one MultiBay drive ATI Mobility Fire GL T2 graphics controller with OpenGL hardware accelerated graphics 128MB of video memory Interfaces: Two type I/II or one type III PC card slots, integrated Secure Digital flash media slot, two USB 2.0, 1394, serial, parallel, s-video out, VGA, RJ-45/FJ-11, infra red, audio in/out, docking connector