HP Pavilion dv4030us 15.4" Laptop (Intel Pentium M Processor 730 (Centrino), 512 MB RAM, 100 GB Hard Drive, DVD/CD-RW Drive) 1.6 GHz Pentium M (Centrino) processor with 533 MHz system bus 512 MB DDR SDRAM (2 GB maximum), 100 GB hard drive, dual-layer DVD+/-RW and CD-RW combo drive Four USB 2.0, one Firewire, PCMCIA slot, VGA port, S-Video out, 6-in-1 memory card reader, IR (infrared) receiver, ExpressCard 54/34 Built-in 10/100/ BASE-T ethernet; 56K (V.90) modem, 54-Mbps wireless LAN (802.11b/g) Windows XP Home Edition, Service Pack 2