color=#000000 size=2>HP recommends Microsoft® Windows® XP Professional AMD Turion' 64 Mobile Technology ATI Radeon XPRESS 200M Chipset 6 cell lithium ion battery 65 watt power adapter Touchpad with scroll zone as thin as 1.2-inches and as light as 6.06 lbs 15.0-inch display Integrated ATI Mobility® Radeon X300 with up to 128-MB allocated system memory 6-in-1 Media Reader Interfaces: One type I/II PC card slot, three USB 2.0, VGA, RJ-45/RJ-11, audio in/out