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<title>Specs: Discover the XO laptop specs - One Laptop per Child (OLPC)</title>
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<h1>Specs: Discover the XO laptop specs</h1>
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<h2>Specifications</h2>
<h3>Physical dimensions:</h3>
<ul>
<li>Dimensions: 193mm x 229mm x 64mm (as of 3/27/06—subject to change)</li>
<li>Weight: Less than 1.5 KG (target only—subject to change)</li>
<li>Configuration: Convertible laptop with pivoting, reversible display; dirt- and moisture-resistant system enclosure</li>
</ul>
<h3>Core electronics:</h3>
<ul>
<li>CPU: <a href="http://www.amd.com/us-en/ConnectivitySolutions/ProductInformation/0,,50_2330_9863_9864,00.html" target="_blank">AMD Geode GX-500@1.0W</a> (<a href="http://www.amd.com/files/connectivitysolutions/geode/geode_gx/31505E_gx_databook.zip">datasheet</a>)</li>
<li>CPU clock speed: 366 Mhz</li>
<li>Compatibility: X86/X87-compatible</li>
<li>Chipset: <a href="http://www.amd.com/us-en/ConnectivitySolutions/ProductInformation/0,,50_2330_9863_9864%5E13054,00.html" target="_blank">AMD CS5536 South Bridge</a> (<a href="http://www.amd.com/files/connectivitysolutions/geode/geode_lx/33238f_cs5536_ds.zip">datasheet</a>)</li>
<li>Graphics controller: Integrated with Geode CPU; unified memory architecture</li>
<li>Embedded controller (for production), ENE KB3700: Image:<a href="http://wiki.laptop.org/go/Image:KB3700-ds-01.pdf" target="_blank">KB3700-ds-01.pdf</a></li>
<li>DRAM memory: 128 MiB dynamic RAM</li>
<li>Data rate: Dual - DDR266 - 133 Mhz</li>
<li>BIOS: 1024KB SPI-interface flash ROM; LinuxBIOS open-source BIOS; Open Firmware bootloader</li>
<li>Mass storage: 512 MiB SLC NAND flash, high speed flash controller</li>
<li>Drives: No rotating media</li>
</ul>
<h3>Display:</h3>
<ul>
<li>Liquid-crystal display: 7.5" Dual-mode TFT display</li>
<li>Viewing area: 152.4 mm x 114.3 mm</li>
<li>Resolution: 1200 (H) x 900 (V) resolution (200 dpi)</li>
<li>Mono display: High-resolution, reflective monochrome mode</li>
<li>Color display: Standard-resolution, quincunx-sampled, transmissive color mode</li>
<li>Special "<a href="http://wiki.laptop.org/go/DCON" target="_blank">DCON</a>" chip, that enables deswizzling and anti-aliasing in color mode, while enabling the display to remain live with the processor suspended.</li>
</ul>
<h3>Integrated peripherals:</h3>
<ul>
<li>Keyboard: 70+ keys, 1.2mm stroke; sealed rubber-membrane key-switch assembly
<ul>
<li><a href="http://wiki.laptop.org/go/OLPC_Keyboard_layouts" target="_blank">Keyboard Layouts</a></li>
<li>Layout pictures - <a href="http://wiki.laptop.org/go/Image:Keyboard_layout.jpg" target="_blank">US International</a>, <a href="http://wiki.laptop.org/go/Image:Keyboard_thai.jpg" target="_blank">Thai</a>, <a href="http://wiki.laptop.org/go/Image:Keyboard_arabic.jpg" target="_blank">Arabic</a>, <a href="http://wiki.laptop.org/go/Image:Keyboard_argentina.jpg" target="_blank">Spanish</a> , <a href="http://wiki.laptop.org/go/Image:Keyboard_brazil.jpg" target="_blank">Portuguese</a>, <a href="http://wiki.laptop.org/go/Image:Keyboard_nigeria.jpg" target="_blank">Nigeria</a></li>
</ul>
</li>
<li>Cursor-control keys: five-key cursor-control pad; four directional keys plus Enter</li>
<li>Touchpad: Dual capacitance/resistive touchpad; supports written-input mode </li>
<li>Audio: Analog Devices AD1888, AC97-compatible audio codec; stereo, with dual internal speakers; monophonic, with internal microphone and using the Analog Devices SSM2211 for audio amplification </li>
<li>Wireless: Marvell Libertas 88W8388+88W8015, 802.11b/g compatible; dual adjustable, rotating coaxial antennas; supports diversity reception </li>
<li>Status indicators: Power, battery, WiFi; visible lid open or closed </li>
<li>Video camera: 640x480 resolution, 30FPS</li>
</ul>
<h3>External connectors:</h3>
<ul>
<li>Power: 2-pin DC-input, 10 to 25 V, -23 to -10 V</li>
<li>Line output: Standard 3.5mm 3-pin switched stereo audio jack</li>
<li>Microphone: Standard 3.5mm 2-pin switched mono microphone jack; selectable sensor-input mode</li>
<li>Expansion: 3 Type-A USB-2.0 connectors; SD Card slot</li>
<li>Maximum power: 500 mA (total)</li>
</ul>
<h3>Battery:</h3>
<ul>
<li>Pack type: 5 Cells, 6V series configuration</li>
<li>Fully-enclosed "hard" case; user removable</li>
<li>Capacity: 22.8 Watt-hours </li>
<li>Cell type: NiMH </li>
<li>Pack protection: Integrated pack-type identification</li>
<li>Integrated thermal sensor</li>
<li>Integrated polyfuse current limiter </li>
<li>Cycle life: Minimum 2,000 charge/discharge cycles (to 50% capacity of new, IIRC).</li>
<li><a href="http://wiki.laptop.org/go/Power_Management" target="_blank">Power Management</a> will be critical</li>
</ul>
<h3>BIOS/loader</h3>
<ul>
<li><a href="http://www.linuxbios.org/index.php/Main_Page" target="_blank">LinuxBIOS</a> is our BIOS for production units; Open Firmware is used as the bootloader. </li>
</ul>
<h3>Environmental specifications:</h3>
<ul>
<li>Temperature: somewhere in between typical laptop requirements and Mil spec; exact values have not been settled</li>
<li>Humidity: Similar attitude to temperature. When closed, the unit should seal well enough that children walking to and from school need not fear rainstorms or dust.</li>
<li>Altitude: -15m to 3048m (14.7 to 10.1 psia) (operating), -15m to 12192m (14.7 to 4.4 psia) (non-operating</li>
<li>Shock: 125g, 2ms, half-sine (operating) 200g, 2ms, half-sine (non-operating)</li>
<li>Random vibration: 0.75g zero-to-peak, 10Hz to 500Hz, 0.25 oct/min sweep rate (operating); 1.5g zero-to-peak, 10Hz to 500Hz, 0.5 oct/min sweep rate (nonoperating)</li>
<li>2mm plastic walls (1.3mm is typical for most systems).</li>
</ul>
<h3>Regulatory requirements:</h3>
<ul>
<li>The usual US and EU EMI/EMC requirements will be met.</li>
<li>The laptop and all OLPC-supplied accessories will be fully UL and is RoHS compliant.</li>
</ul>
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<a class="more" href="javascript:popWin('../../img/specs_dimensions.jpg',574,704,0,0,'image',1);"><img src="../../img/specs_dimensions_thumb.jpg" width="180" alt="Physical dimensions" /></a>
<h3><a href="javascript:popWin('../../img/specs_dimensions.jpg',574,704,0,0,'image',1);">Physical dimensions</a></h3>
<br />
<a class="more" href="javascript:popWin('../../img/specs_coreElectronics.jpg',657,470,0,0,'image',1);"><img src="../../img/specs_coreElectronics_thumb.jpg" width="180" alt="Prototype-A Motherboard" /></a>
<h3><a href="javascript:popWin('../../img/specs_coreElectronics.jpg',657,470,0,0,'image',1);">Prototype-A<br />Motherboard</a></h3>
<br />
<a class="more" href="javascript:popWin('../../img/specs_peripherals.jpg',704,476,0,0,'image',1);"><img src="../../img/specs_peripherals_thumb.jpg" width="180" alt="Keyboard detail" /></a>
<h3><a href="javascript:popWin('../../img/specs_peripherals.jpg',704,476,0,0,'image',1);">Keyboard detail</a></h3>
<br />
<a class="more" href="javascript:popWin('../../img/specs_extConnectors.jpg',440,320,0,0,'image',1);"><img src="../../img/specs_extConnectors_thumb.jpg" width="180" alt="Connectors" /></a>
<h3><a href="javascript:popWin('../../img/specs_extConnectors.jpg',440,320,0,0,'image',1);">Connectors</a></h3>
<br />
<a class="more" href="javascript:popWin('../../img/specs_battery.jpg',684,470,0,0,'image',1);"><img src="../../img/specs_battery_thumb.jpg" width="180" alt="Battery" /></a>
<h3><a href="javascript:popWin('../../img/specs_battery.jpg',684,470,0,0,'image',1);">Battery</a></h3>
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