Hardware hacker reviews the One Laptop Per Child XO laptop
http://www.boingboing.net/2008/01/06/hardware-hacker-revi.html
Virtuoso hardware hacker Andrew "bunnie" Huang has posted a fantastic review
of the One Laptop Per Child XO laptop, from a hardware engineer's perspective.
Bunnie is the founder of Chumby, a truly elegant hardware gizmo, and he
(literally) takes apart the XO and showcases the excellent design choices that
went into it.
There are plenty of teardowns for the OLPC XO-1 (including
one on the OLPC wiki itself),
Here’s a photo of the motherboard with the heat spreader on:

There are other
“cheat codes” as well.