Detailed Specifications  Processor Processor Mobile Intel® Pentium® 4 Processor - M with Enhanced Intel SpeedStep® technology Clock Speed 1.90 GHz Coprocessor Integrated Coprocessor, 400 MHz FSB Cache 20KB internal cache, On-die 512KB Level 2 cache  Operating System Software Genuine Windows® XP Professional  Memory Standard 256MB DDR Maximum 1GB (one slot available) Expansion Modules 128MB, 256MB, 512MB* PC2100 modules BIOS ROM 4Mbit capacity  Hard Disk Drive Hard Disk Drive 40.0 billion bytes, 12ms access time, 9.5mm height, Enhanced IDE, 2.5”. Service removable by 2 screws Optical Drive Slim Select Bay Black CDRW/DVD-ROM: CD-ROM 130ms average access time; DVD-ROM 180ms average access time;Maximum Speed: CDR(8X)/CD-RW(8X)/DVD-ROM(8X)/CD-ROM(24X). ATAPI interface. Software Decoder: InterVideo WinDVD Floppy Disk Drive Optional 1.44MB, 3.5" USB FDD  Display System Size (diagonal) 15" Type TFT SXGA+ Active Matrix Colour LCD display LCD Panel Resolution 1,400x1,050x16.7 million colours External Support and Maximum Colour Support 640x480x16.7 million colours 800x600x16.7 million colours 1,024x768x16.7 million colours 1,280x1,024x16.7 million colours 1,600x1,200x16.7 million colours Simultaneous Display Support 1,024x768x16.7 million colours  Graphics Controller Graphics Controller NVIDIA® GeForce4 420 Go™ Graphics Processing Unit. 128-bit Graphics (BitBLT) Accelerator. AGP bus support. BitBLT hardware, hardware cursor. Direct Draw support Integrated Video Memory 32MB DDR  Sound System Sound System Software Sound 16-bit stereo.YAMAHA® YMF753 Codec Chip Ver.2.0 SoundBlaster Pro Compatible Built-in stereo speakers. 3D sound support. Direct 3DSound. Full-Duplex support. Sound Volume Control dial, External MIC (monaural), Stereo Headphone Port  Communication Modem V.90 Data/Fax Modem, Ring Wake-up Resume LAN 10/100 integrated Ethernet LAN, network boot Wireless LAN Built-in Wireless LAN (802.11b) Bluetooth Built-in Bluetooth™ Antenna (Bluetooth enabled through service installation of optional, internal Bluetooth Module)  Expansion Memory 2 Expansion memory slots (1 filled with 256MB, can be replaced by 128MB, 256MB or 512MB* module.) Other slot empty- 2 screws removes lid PC Card Slots 2 PC Card slots supports two Type II or one Type III PC Cards; supports Cardbus Ports 1 Slim Select Bay Slot, 1 Serial, 1 Parallel (ECP), 1 RGB, 1 PS/2 Keyboard/Mouse Port, 1 Expansion Bus (for opt Advanced Port Replicator), 1 Infrared, 2 USB, 1 TV Out (NTSC/PAL Output; RCA Jack), 1 Modem (RJ-11), 1 LAN Port (RJ-45), 1 SD Card Slot, External Mic, Stereo Headphone  Keyboard Keyboard Full sized 85 keys with 12 function keys 2.7mm keystroke, 6mm height. Dedicated Windows® Key Pointing Device Integrated AccuPoint™ II pointing device with programmable scroll buttons  Physical Dimensions Dimensions 330mm (W) x 289mm (D) x 34.8 mm (H) Weight 6.29lbs (Weight Saver: 5.76lbs)  AC Adapter Power Supply 75W external Universal AC adaptor input voltage (100 – 240V 50/60Hz Frequency), output voltage (15Vx5A) Battery Type Removable, Rechargeable 6-cell, Lithium Ion (Li-ion) 10.8V x 3600mAh capacity Battery Life 2.2 hours battery life; 4.6 hours with secondary Slim Select Bay (Black) 2nd battery Recharge Time 2 hours off / 3 - 9 hours on (main battery); 4.5 hours off / 6 - 17 hours on secondary Slim Select Bay (Black) 2nd battery  BIOS Support TSETUP, ACPI V1.0b, DDC, PnP V1.0A, VESA V2.0, DPMS, SM BIOS V2.3, PCI BIOS Support V2.2, APM support V1.2  Security Security Cable lock slot, power on password  Environmental Specifications Temperature Operating 5°to 35°C (41° to 95°F); Non Operating –20° to 65°C (-4° to149°F) Thermal Gradient Operating 15° C per hr. max; Non Operating 20° C per hr. max Relative Humidity Operating 20% to 80% non-condensing; Non-Operating: 10% to 90% non-condensing Altitude (relative to sea level) Operating: -60 to 3,000m.; Non-Operating: -60 to 10,000m Shock Operating: 1.5-7G; Non-Operating 60G Vibration Operating 0.2-0.25G; Non-Operating: 1G