The XO Laptop - The Hundred-dollar Laptop For the 'One Laptop Per Child' Foundation

The XO laptop (nicknamed the hundred-dollarRoHS Directive, containing no hazardous materials.
laptop) is at the centre of the 'One Laptop PerThe batteries include enhanced battery
Child's mission. The laptop was designed bymanagement for an extended recharge-cycle
experts in the industry, and built by Quanta. Itlifetime. Where direct power is not available, the
was specifically built to be a flexible, responsive,XO laptop can be powered solar energy or
ultra-low cost, ultra-efficient, durable from themanually, various options include a crank, a pedal
outset.or a pull-chord.
The 7.5" screen has alternate modes of display:Durability from the outset was a key function.
transmissive, a full colour, fully lit mode and aEqually the need for it to appeal to it's target
reflective which the screen turns black and whiteaudience, children was also factored in, so both
but is still readable in sunlight. In the latter mode, itweight and looks were also important issues.
consumes a mere 0.2 watts. The transmissiveConsequently the XO laptop is about the size of a
mode still consumes about one watt, but that istextbook, the edges are rounded off and weighs
still about a seventh of the industry average LCDno more than the average lunchbox (approximetly
laptop.1.5kg depending on the battery). The 'transformer
More energy savings come from the CPU, whichhinge' allows it to function as a e-Book, games
selectively suspends operations cutting the needconsole and a standard laptop. The child-friendly
for power. All these energy saving initiatives meaninterface features a rubber membrane keyboard
that the XO laptop consumes around a tenth ofand a dual-mode, extra-wide touchpad for
the power of a standard commercial laptop - apointing, drawing and writing.
mere 2 watts!More robustness comes from the absence of
A full time wireless route is fitted, creating it'smoving parts and the hard drive, which statistically
very own mesh network 'out of the box'. Thisis most likely to fail. The walls are almost twice as
crucially allows children to enjoy internet accessthick as standard laptops at 2mm too. Protection
with its immeasurable resources of information,of its USB ports comes from the mesh network
communication and entertainment and be linked toantennas, the display also being cushioned by
other children, teachers and families.internal 'bumpers'.
XO is fully compliant with the European Union's