Processor: Intel® Pentium® M up  to 1.60 Ghz with 400 Mhz System Bus Memory: 256 MB PC2100(266Mhz) DDR SDRAM Expandable to 1024 MB 1MB On-Die L2 Cache 64 Bit Data Bus System Memory BIOS: 512KB Flash ROM Insyde BIOS with Plug & Play Disk Storage: Built-In 2.5" Hard Disk Drive Up to  80/5400rpm GB Optional USB External 3.5" 1.44MB FDD Optical  Drive: Built-in 24X Max. Variable CD-ROM Drive, Optional 8X Max. Variable DVD-ROM/MPEG II, 8X24X10X24X Max. Variable DVD/CDRW Combo Drive or 8X2X16X10X24X Max. Variable Dual Format DVD 7;R/RW Burner * CD-ROM/DVD-ROM/CDRW drives transfer data at variable speed Display: Integrated Intel® Extreme Graphics Technology up to 64MB Max. Shared Memory 15.4" 1280 x 800 WXGA Active Matrix Display CRT: Support up to 2048 X 1536, 16M Colors Dual Simultaneous Display Audio  System: 1 Built-in Microphone 4 Built-in Speakers and 1 Subwoofer AC 97 Compliant 2.2 Compliant MRTF 3D Positional Audio, Direct Sound 3D  Acceleration AC-3 Virtualization S/PDIF Output for DVD Content PCMCIA Slot: 1 PCMCIA Type II Card Bus Support Input  Device: Built-in Digital PC Camera A4 Size Win 95 Keyboard Integrated Touchpad Pointing Device with Scrolling Key Interfaces: IEEE 1394 Port (Mini DC in Jack) 3 USB 2.0 Ports 1 External CRT Port 1 Kensington Lock Port 1 S-Video Jack for TV Output 3 Audio Jacks for Line-Out, Microphone-In, and S/PDIF-Out Integrated Intel Pro/Wireless 2100 LAN 802.11b Built-in 56K V90 Fax/Modem and 10/100 Mbps Ethernet LAN Card Power  System: Rechargeable Lithium-Ion Battery Full Range Auto-Switching 100V/240V AC Adapter Power  Management: Power On Suspend Suspend to HDD/DRAM Support ACPI v1.0 and APM v1.2 Physical: 14.12"(W) x 10.5"(D) x 1.5"(H) Weight: 6.38 lbs. with Battery Accessories: Owner's Manual Carrying Bag with Strap Windows XP Home Edition with CD-ROM and  Manual, Upgradeable to Windows XP Professional Edition, Windows 2000 Professional Options: External USB Floppy Drive Microsoft® Office XP USB Port Replicator USB Optical Mouse USB Numeric Keypad Warranty: 1 Year Standard 3 Years Optional