CommunicationsModem:Type v.92 56K MDCController softmodemInterface Intel High-Definition AudioNetwork adapter 10/100/1000 Ethernet LAN on system boardWireless internal PCI-e Mini-Card WLAN support; Bluetooth®wireless technology support;WWAN support via Mini-CardVideoVideo type Intel Integrated UMA GraphicsData bus PCI ExpressController/Memory 224 MB of shared memory (with 512 MB or more ofsystem memory)LCD interface LVDSTV support NTSC or PAL in S-video and composite modes(through Dell D/Port advanced port replicator only)AudioAudio type High Definition Audio (HDA)Audio controller SigmaTel STAC9200Stereo conversion 24-bit (stereo digital-to-analog),24-bit (stereo analog-to-digital)Interfaces:Internal AzaliaExternal microphone mini-connector, stereoheadphones/speakers mini-connectorSpeaker one 8-ohm speakerInternal speaker amplifier 1-W channel into 8 ohmsDisplayType (WXGA) 12.1-inch WXGADimensions (12.1-inch display):Height 163.2 mm (6.43 inches)Width 261.12 mm (10.3 inches)Diagonal 307.34 mm (12.1 inches)Operating angle 0° (closed) to 180°Viewing angles:WXGA+ horizontal +/– 40/40°WXGA+ vertical +/– 10/30°Pixel pitch:WXGA 0.204 mmPower consumption (panel with backlight) (typical):WXGA 6.2 W (max.)Controls brightness can be controlled through keyboardshortcutsKeyboardNumber of keys 87 (U.S. and Canada); 87 (China); 89 (Brazil); 88(Europe); 91 (Japan)Key travel 2.5 mm ± 0.3 mm (0.11 inch ± 0.016 inch)Key spacing 18.5 mm ± 0.3 mm (0.73 inch ± 0.012 inch)Layout QWERTY/AZERTY/Kanji