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Hardware - OLPC
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class="mw-body-content mw-content-ltr" lang="en" dir="ltr"> <div class="mw-parser-output"> <div style="background:#6abe45; color:white;"> This page is monitored by the OLPC team. </div> <p>One Laptop per Child believes that innovative design is capable of bringing robust computing to children in the developing world at low power and low cost.</p> <p>Unlike traditional computer manufacturers, the design goals of OLPC are (in order):</p> <ol> <li>Safe -- no children should be harmed</li> <li>Lowest Power -- low power means longer run-time</li> <li>Lowest Cost -- a lower cost means more children can have one</li> <li>Robust and Maintainable -- children drop things</li> <li>Performance (speed)</li> </ol> <p><br></p> <div id="toc" class="toc" role="navigation" aria-labelledby="mw-toc-heading"> <input type="checkbox" role="button" id="toctogglecheckbox" class="toctogglecheckbox" style="display:none"> <div class="toctitle" lang="en" dir="ltr"> <h2 id="mw-toc-heading">Contents</h2><span class="toctogglespan"><label class="toctogglelabel" for="toctogglecheckbox"></label></span> </div> <ul> <li class="toclevel-1 tocsection-1"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#Laptops"><span class="tocnumber">1</span> <span class="toctext">Laptops</span></a> <ul> <li class="toclevel-2 tocsection-2"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#XO_Laptop"><span class="tocnumber">1.1</span> <span class="toctext">XO Laptop</span></a></li> <li class="toclevel-2 tocsection-3"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#XO-4_Touch"><span class="tocnumber">1.2</span> <span class="toctext">XO-4 Touch</span></a></li> <li class="toclevel-2 tocsection-4"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#XO-1.75_Laptop"><span class="tocnumber">1.3</span> <span class="toctext">XO-1.75 Laptop</span></a></li> <li class="toclevel-2 tocsection-5"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#XO-1.5_Laptop"><span class="tocnumber">1.4</span> <span class="toctext">XO-1.5 Laptop</span></a></li> <li class="toclevel-2 tocsection-6"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#XO-1_Laptop"><span class="tocnumber">1.5</span> <span class="toctext">XO-1 Laptop</span></a></li> </ul></li> <li class="toclevel-1 tocsection-7"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#Ideas"><span class="tocnumber">2</span> <span class="toctext">Ideas</span></a> <ul> <li class="toclevel-2 tocsection-8"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#XO-3_Tablet"><span class="tocnumber">2.1</span> <span class="toctext">XO-3 Tablet</span></a></li> <li class="toclevel-2 tocsection-9"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#XO-2_Foldable_Tablet"><span class="tocnumber">2.2</span> <span class="toctext">XO-2 Foldable Tablet</span></a></li> <li class="toclevel-2 tocsection-10"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#XS_School_Server"><span class="tocnumber">2.3</span> <span class="toctext">XS School Server</span></a></li> <li class="toclevel-2 tocsection-11"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#Multichannel_battery_charger"><span class="tocnumber">2.4</span> <span class="toctext">Multichannel battery charger</span></a></li> <li class="toclevel-2 tocsection-12"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#Active_Antenna"><span class="tocnumber">2.5</span> <span class="toctext">Active Antenna</span></a></li> </ul></li> <li class="toclevel-1 tocsection-13"><a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#Extras"><span class="tocnumber">3</span> <span class="toctext">Extras</span></a></li> </ul> </div> <h2><span class="mw-headline" id="Laptops">Laptops</span></h2> <h3><span class="mw-headline" id="XO_Laptop">XO Laptop</span></h3> <p>The XO Laptop (<a href="https://wiki-laptop-org.translate.goog/go/NL3?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="NL3">NL3</a>) is a high performance low cost laptop with 16:9 display.</p> <div class="floatright"> <a href="https://wiki-laptop-org.translate.goog/go/File:B1-mikemcgregor-2-small.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="image"><img alt="B1-mikemcgregor-2-small.jpg" src="/mediawiki/images/thumb/e/e8/B1-mikemcgregor-2-small.jpg/300px-B1-mikemcgregor-2-small.jpg" decoding="async" width="300" height="277" srcset="https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/e/e8/B1-mikemcgregor-2-small.jpg/450px-B1-mikemcgregor-2-small.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 1.5x,https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/e/e8/B1-mikemcgregor-2-small.jpg/600px-B1-mikemcgregor-2-small.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 2x"></a> </div> <p>The XO-1, XO-1.5, XO-1.75 and XO-4 laptops were the most rugged low power, low cost laptop available;</p> <ul> <li><a href="https://wiki-laptop-org.translate.goog/go/XO?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="mw-redirect" title="XO">The Children's Laptop</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Hardware_uniqueness?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Hardware uniqueness">Why it is unique</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Keyboard?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Keyboard">Keyboard</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Display?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Display">Display</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Laptop_Batteries?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Laptop Batteries">Batteries</a> (<a href="https://wiki-laptop-org.translate.goog/go/Battery_Charging?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Battery Charging">Battery Charging</a>)</li> <li><a href="https://wiki-laptop-org.translate.goog/go/Hardware_Testing?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Hardware Testing">Certifications (Safety and RF emissions)</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Environmental_Impact?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Environmental Impact">Environmental Impact</a> (<a href="https://wiki-laptop-org.translate.goog/go/Green_Machine?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Green Machine">The Green Machine</a>)</li> <li><a href="https://wiki-laptop-org.translate.goog/go/Hardware_modification?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Hardware modification">User modifications of the laptop</a></li> </ul> <h3><span class="mw-headline" id="XO-4_Touch">XO-4 Touch</span></h3> <p>2013: The XO-4 Touch is the latest refresh of the XO laptop. It is available in two models: XO-4 and XO-4 Touch, with the latter providing multi-touch input on the display. Like the XO-1.75, it uses an ARM processor to provide high performance with low power consumption, while keeping the industrial design and batteries of the XO-1.</p> <ul> <li>more detail: <a href="https://wiki-laptop-org.translate.goog/go/XO-4_Touch?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO-4 Touch">XO-4 Touch</a>,</li> <li><a href="https://wiki-laptop-org.translate.goog/mediawiki/images/0/0c/CL4_Hdwe_Design_Spec.pdf?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="internal" title="CL4 Hdwe Design Spec.pdf">definitive hardware specification</a> (PDF),</li> <li>production models: <a href="https://wiki-laptop-org.translate.goog/go/XO_4_C2?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 4 C2">C2</a>,</li> <li>pre-production prototypes: <a href="https://wiki-laptop-org.translate.goog/go/XO_4_C1?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 4 C1">C1</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_4_B1?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 4 B1">B1</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_4_A2?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 4 A2">A2</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_4_A1?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 4 A1">A1</a>.</li> </ul> <h3><span class="mw-headline" id="XO-1.75_Laptop">XO-1.75 Laptop</span></h3> <p>2010: OLPC started development of a laptop based around an ARM processor, in order to finally reach an operating power low enough to allow a full day of operation from a single battery charge, as well as better operation from solar and human energy sources. This refresh continues to use the same industrial design, display, and batteries as XO-1.</p> <div class="center"> <div class="floatnone"> <a href="https://wiki-laptop-org.translate.goog/go/File:XO-1.75_siblings.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="image"><img alt="XO-1.75 siblings.jpg" src="/mediawiki/images/thumb/e/e2/XO-1.75_siblings.jpg/400px-XO-1.75_siblings.jpg" decoding="async" width="400" height="261" srcset="https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/e/e2/XO-1.75_siblings.jpg/600px-XO-1.75_siblings.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 1.5x,https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/e/e2/XO-1.75_siblings.jpg/800px-XO-1.75_siblings.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 2x"></a> </div> </div> <ul> <li>more detail: <a href="https://wiki-laptop-org.translate.goog/go/XO-1.75?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO-1.75">XO-1.75</a>,</li> <li><a href="https://wiki-laptop-org.translate.goog/mediawiki/images/d/d4/CL2_Hdwe_Design_Spec.pdf?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="internal" title="CL2 Hdwe Design Spec.pdf">definitive hardware specification</a> (PDF),</li> <li>production models: <a href="https://wiki-laptop-org.translate.goog/go/XO_1.75_C2?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.75 C2">C2</a> (as of 2013),</li> <li>pre-production prototypes: <a href="https://wiki-laptop-org.translate.goog/go/XO_1.75_C1?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.75 C1">C1</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_1.75_B1?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.75 B1">B1</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_1.75_A3?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.75 A3">A3</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_1.75_A2?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.75 A2">A2</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_1.75_A1?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.75 A1">A1</a>.</li> </ul> <h3><span class="mw-headline" id="XO-1.5_Laptop">XO-1.5 Laptop</span></h3> <p>2009: A refresh of the XO-1 laptop happened. In a continued effort to maintain a low price point, OLPC refreshed the laptop electronics to use the latest component technologies. This refresh (Gen 1.5) is separate from the Gen 2/3 projects, and continue to use the same industrial design and batteries as Gen 1. This provides an overall update of the system within the same ID and external appearance, giving school systems using the XO-1 with a cost effective replacement.</p> <ul> <li>more detail: <a href="https://wiki-laptop-org.translate.goog/go/Hardware_specification_1.5?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Hardware specification 1.5">XO-1.5</a>,</li> <li><a href="https://wiki-laptop-org.translate.goog/mediawiki/images/b/bb/XO1.5_Hardware_Design_Brief.pdf?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="internal" title="XO1.5 Hardware Design Brief.pdf">hardware brief</a> (PDF),</li> <li><a href="https://wiki-laptop-org.translate.goog/mediawiki/images/f/f0/CL1B_Hdwe_Design_Spec.pdf?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="internal" title="CL1B Hdwe Design Spec.pdf">definitive hardware specification</a> (PDF),</li> <li><a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=te&hl=te&u=http://blog.laptop.org/2009/04/17/announcing-the-xo-15-updated-hardware-for-the-xo-laptop/">Announcement, April 17, 2009</a>,</li> <li>no longer in production: <a href="https://wiki-laptop-org.translate.goog/go/XO_1.5_C5?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.5 C5">CL1B C5</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_1.5_C3?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.5 C3">CL1B C3</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_1.5_C2?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.5 C2">CL1B C2</a>,</li> <li>pre-production prototypes: <a href="https://wiki-laptop-org.translate.goog/go/XO_1.5_C1?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.5 C1">C1</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_1.5_B3?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.5 B3">B3</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_1.5_B2?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.5 B2">B2</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_1.5_B1?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.5 B1">B1</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_1.5_A2?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.5 A2">A2</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_1.5_A1?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 1.5 A1">A1</a>.</li> </ul> <h3><span class="mw-headline" id="XO-1_Laptop">XO-1 Laptop</span></h3> <p>This was the original XO laptop, of which over a million were manufactured. Production of the XO-1 stopped in Spring 2010.</p> <ul> <li>more detail: <a href="https://wiki-laptop-org.translate.goog/go/Hardware_specifications?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="mw-redirect" title="Hardware specifications">XO-1</a>,</li> <li><a href="https://wiki-laptop-org.translate.goog/mediawiki/images/7/71/CL1A_Hdwe_Design_Spec.pdf?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="internal" title="CL1A Hdwe Design Spec.pdf">definitive hardware specification</a> (PDF),</li> <li>no longer in production: <a href="https://wiki-laptop-org.translate.goog/go/XO_CL1A?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO CL1A">XO CL1A</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_C2?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO C2">CL1</a>,</li> <li>pre-production prototypes: <a href="https://wiki-laptop-org.translate.goog/go/XO_C1?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO C1">C1</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_B4?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO B4">B4</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_B3?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO B3">B3</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_B2?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO B2">B2</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_B1?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO B1">B1</a>, <a href="https://wiki-laptop-org.translate.goog/go/XO_A?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO A">A1</a>.</li> </ul> <h2><span class="mw-headline" id="Ideas">Ideas</span></h2> <p>While developing the XO, many <a href="https://wiki-laptop-org.translate.goog/go/Hardware_ideas?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Hardware ideas">ideas for hardware</a> were contributed. OLPC had several designs which saw some development, but never progressed further than sample production: the XO-3, the XS School server, the Multibattery Charger, and the Active Antenna.</p> <h3><span class="mw-headline" id="XO-3_Tablet">XO-3 Tablet</span></h3> <dl> <dd> <i>Main page: <a href="https://wiki-laptop-org.translate.goog/go/XO-3?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO-3">XO-3</a></i> </dd> </dl> <p>From 2010 to 2012, OLPC worked on developing a low cost, low power, robust tablet for use by kids. A prototype was shown off at CES 2012, and the industrial design was further refined. Production was originally scheduled for the end of 2012. Cancellation of this project has now been <a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=te&hl=te&u=http://www.networkworld.com/news/2012/112912-olpc-cancels-xo-3-tablet-downplays-264647.html">announced.</a></p> <div class="center"> <div class="floatnone"> <a href="https://wiki-laptop-org.translate.goog/go/File:XO-3_Photo10.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="image"><img alt="XO-3 Photo10.jpg" src="/mediawiki/images/thumb/f/f7/XO-3_Photo10.jpg/500px-XO-3_Photo10.jpg" decoding="async" width="500" height="319" srcset="https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/f/f7/XO-3_Photo10.jpg/750px-XO-3_Photo10.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 1.5x,https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/f/f7/XO-3_Photo10.jpg/1000px-XO-3_Photo10.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 2x"></a> </div> </div> <p><b>XO-3 Versions:</b> <i>Never entered production</i>; <i>CL3 pre-production models are:</i> <a href="https://wiki-laptop-org.translate.goog/go/XO_3_A1?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO 3 A1">A1</a></p> <h3><span class="mw-headline" id="XO-2_Foldable_Tablet">XO-2 Foldable Tablet</span></h3> <div class="center"> <div class="floatnone"> <a href="https://wiki-laptop-org.translate.goog/go/File:XO2-modes.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="image"><img alt="XO2-modes.jpg" src="/mediawiki/images/thumb/9/9f/XO2-modes.jpg/400px-XO2-modes.jpg" decoding="async" width="400" height="226" srcset="https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/9/9f/XO2-modes.jpg/600px-XO2-modes.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 1.5x,https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/9/9f/XO2-modes.jpg/800px-XO2-modes.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 2x"></a> </div> </div> <p>In May of 2008, plans for the next generation of OLPC laptops were publicly announced. Nicholas Negroponte challenged the design team to aim for those goals while also rethinking the notion of a laptop. The result doesn't fit neatly into the "laptop" category. The form factor is that of a book or folded (clam shell) tablet --- a handbook. At this time, development of this device has been halted.</p> <ul> <li><a href="https://wiki-laptop-org.translate.goog/go/XO-2?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO-2">Additional details</a></li> </ul> <p><br clear="all"></p> <h3><span class="mw-headline" id="XS_School_Server">XS School Server</span></h3> <div class="floatleft"> <a href="https://wiki-laptop-org.translate.goog/go/File:XS_floor_diag.png?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="image"><img alt="XS floor diag.png" src="/mediawiki/images/thumb/8/87/XS_floor_diag.png/100px-XS_floor_diag.png" decoding="async" width="100" height="199" srcset="https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/8/87/XS_floor_diag.png/150px-XS_floor_diag.png?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 1.5x,https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/8/87/XS_floor_diag.png/200px-XS_floor_diag.png?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 2x"></a> </div> <p>While the laptop is rightfully at the center of OLPC, a valuable peripheral is the <a href="https://wiki-laptop-org.translate.goog/go/School_server?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="School server">school server</a>. Recognizing this, OLPC designed a <a href="https://wiki-laptop-org.translate.goog/go/School_server?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="School server">School server</a> to extend the storage and computation provided by each laptop, as well as providing a local library and a mesh portal to the Internet. But this is more of a <a href="https://wiki-laptop-org.translate.goog/go/XS_Server_Services?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XS Server Services">collection of services</a> than a hardware platform. Unlike the laptop, which has a well defined user load (one child), the <a href="https://wiki-laptop-org.translate.goog/go/School_server?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="School server">school server</a> is designed to serve an entire school, whose sizes vary greatly. Thus a variety of hardware solutions is necessary. Thankfully, an entire industry is available serving this hardware need, at a variety of price and power levels from small fanless systems to desktop PCs to large servers. For example, small and mid-sized schools should be well served by this <a href="https://wiki-laptop-org.translate.goog/go/XS_Recommended_Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XS Recommended Hardware">recommended hardware</a>.</p> <p>There is a persistent need for a low cost, robust server solution for environmentally extreme and low power situations (jungles/salt water). OLPC designed a low cost <a href="https://wiki-laptop-org.translate.goog/go/XS_Server_Specification?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#XS_Specifications" class="mw-redirect" title="XS Server Specification">XS server</a> (pictured) with sealed operation up to 50C. <i>Unfortunately, it is still looking for a manufacturer.</i></p> <p><br clear="all"></p> <h3><span class="mw-headline" id="Multichannel_battery_charger">Multichannel battery charger</span></h3> <div class="floatright"> <a href="https://wiki-laptop-org.translate.goog/go/File:Multi-Battery_Charger.png?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="image"><img alt="Multi-Battery Charger.png" src="/mediawiki/images/thumb/6/65/Multi-Battery_Charger.png/260px-Multi-Battery_Charger.png" decoding="async" width="260" height="201" srcset="https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/6/65/Multi-Battery_Charger.png/390px-Multi-Battery_Charger.png?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 1.5x,https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/6/65/Multi-Battery_Charger.png/520px-Multi-Battery_Charger.png?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 2x"></a> </div> <p>Classroom situations, especially those without "grid" power, are challenging for powering laptops. One of the solutions is a multiple battery charger, which allows a number of laptop batteries to be charged in a small cabinet taking AC or 12VDC input.</p> <p>OLPC has pursued the design of a <a href="https://wiki-laptop-org.translate.goog/go/Multi_channel_battery_charger?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Multi channel battery charger">Multi-Battery Charger</a> for the <a href="https://wiki-laptop-org.translate.goog/go/Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te#XO_Laptop" title="Hardware">XO Laptop</a>, and has units entering safety testing in Jan. 2008.</p> <p><br clear="all"></p> <h3><span class="mw-headline" id="Active_Antenna">Active Antenna</span></h3> <div class="floatleft"> <a href="https://wiki-laptop-org.translate.goog/go/File:AA-tilted.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="image"><img alt="AA-tilted.jpg" src="/mediawiki/images/thumb/5/5c/AA-tilted.jpg/100px-AA-tilted.jpg" decoding="async" width="100" height="136" srcset="https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/5/5c/AA-tilted.jpg/150px-AA-tilted.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 1.5x,https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/5/5c/AA-tilted.jpg/200px-AA-tilted.jpg?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 2x"></a> </div> <p>The <a href="https://wiki-laptop-org.translate.goog/go/Active_Antenna?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Active Antenna">Active Antenna</a> is the same Marvell radio used in the XO-1 laptop, but on a 5m USB cable allowing their use either standalone (with a power supply) or with a <a href="https://wiki-laptop-org.translate.goog/go/School_server?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="School server">School server</a>. <i>Unfortunately, Active Antenna production is awaiting the development of a better mesh implementation for dense mesh situations. We currently recommend the use of traditional 802.11b/g access points with the XO.</i></p> <p><br clear="all"></p> <h2><span class="mw-headline" id="Extras">Extras</span></h2> <p>The manufacture of the XO-4 Touch created an opportunity in the form of extra printed circuit board space that would otherwise have been scrap. That spare PCB area was used to create two different embedded development boards, both compatible with the popular <a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=te&hl=te&u=http://arduino.cc/en/">Arduino</a> family of open hardware.</p> <div class="floatright"> <a href="https://wiki-laptop-org.translate.goog/go/File:Xostick_xorduino.png?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" class="image"><img alt="Xostick xorduino.png" src="/mediawiki/images/thumb/9/9c/Xostick_xorduino.png/200px-Xostick_xorduino.png" decoding="async" width="200" height="128" srcset="https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/9/9c/Xostick_xorduino.png/300px-Xostick_xorduino.png?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 1.5x,https://wiki-laptop-org.translate.goog/mediawiki/images/thumb/9/9c/Xostick_xorduino.png/400px-Xostick_xorduino.png?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te 2x"></a> </div> <p>The <a href="https://wiki-laptop-org.translate.goog/go/XO_Stick?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XO Stick">XO Stick</a> utilizes either of two very low-cost AVR microcontrollers, and can be easily assembled: the few components are all mounted through-hole, making the soldering easy.</p> <p>The <a href="https://wiki-laptop-org.translate.goog/go/XOrduino?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="XOrduino">XOrduino</a> uses a far more powerful AVR processor, but also requires the ability to solder surface-mount parts.</p><!-- NewPP limit report Cached time: 20241124115947 Cache expiry: 86400 Reduced expiry: false Complications: [show鈥恡oc] CPU time usage: 0.024 seconds Real time usage: 0.027 seconds Preprocessor visited node count: 131/1000000 Post鈥恊xpand include size: 215/2097152 bytes Template argument size: 0/2097152 bytes Highest expansion depth: 5/100 Expensive parser function count: 1/100 Unstrip recursion depth: 0/20 Unstrip post鈥恊xpand size: 0/5000000 bytes --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 1.359 1 Template:OLPC 100.00% 1.359 1 -total --> <!-- Saved in parser cache with key wikidb:pcache:idhash:4344-0!canonical and timestamp 20241124115947 and revision id 298869. --> </div> <div class="printfooter" data-nosnippet=""> Retrieved from "<a dir="ltr" href="https://translate.google.com/website?sl=auto&tl=te&hl=te&u=http://wiki.laptop.org/mediawiki/index.php?title%3DHardware%26oldid%3D298869">http://wiki.laptop.org/mediawiki/index.php?title=Hardware&oldid=298869</a>" </div> </div> <div id="catlinks" class="catlinks" data-mw="interface"> <div id="mw-normal-catlinks" class="mw-normal-catlinks"> <a href="https://wiki-laptop-org.translate.goog/go/Special:Categories?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Special:Categories">Categories</a>: <ul> <li><a href="https://wiki-laptop-org.translate.goog/go/Category:Pages_monitored_by_OLPC?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Category:Pages monitored by OLPC">Pages monitored by OLPC</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Category:Hardware?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Category:Hardware">Hardware</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Category:Developers?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Category:Developers">Developers</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Category:XO?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Category:XO">XO</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Category:XO-1.5?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Category:XO-1.5">XO-1.5</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Category:XO-1.75?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Category:XO-1.75">XO-1.75</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Category:XO-2?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Category:XO-2">XO-2</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Category:XO-3?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Category:XO-3">XO-3</a></li> <li><a href="https://wiki-laptop-org.translate.goog/go/Category:XO-4?_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="Category:XO-4">XO-4</a></li> </ul> </div> </div> </div> </div> <div id="mw-navigation"> <h2>Navigation menu</h2> <div id="mw-head"> <nav id="p-personal" class="vector-menu mw-portlet mw-portlet-personal vector-user-menu-legacy" aria-labelledby="p-personal-label" role="navigation"> <h3 id="p-personal-label" class="vector-menu-heading "><span class="vector-menu-heading-label">Personal tools</span></h3> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-login" class="mw-list-item"><a href="https://wiki-laptop-org.translate.goog/mediawiki/index.php?title=Special:UserLogin&returnto=Hardware&_x_tr_sl=auto&_x_tr_tl=te&_x_tr_hl=te" title="You are encouraged to log in; 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