XO power management hindering collaboration

Sridhar Dhanapalan sridhar at laptop.org.au
Sat May 14 10:04:08 EDT 2011

It's looking to us that the aggressive power management enabled on the
XO can sometimes create confusion when children are collaborating on

Take for example a turn-based game like Memorise. If a child is
waiting for their turn, they might leave the XO untouched. In that
time, power management can kick in, and the XO stops communicating
over the wireless network. Waking up the XO (e.g. by touching the pad)
doesn't always rejoin the XO to the game properly. The whole game is
stalled because the turn cannot be completed.

Are there any ways we can manage this in our deployments? Perhaps some
guidelines to give to teachers so that they have a reasonable


Sridhar Dhanapalan
Technical Manager
One Laptop per Child Australia
M: +61 425 239 701
E: sridhar at laptop.org.au
A: G.P.O. Box 731
     Sydney, NSW 2001
W: www.laptop.org.au

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