[maemo-developers] Turn off all devices but processor (and networking module) on N800

[From: Igor.Stoppa at nokia.com]

It's quite simple: do not use them and they will be in quiescent state.

Disable the audio, do not start any camera application, switch the bluetooth off and do the same for WLAN (no automatic pairing).
Disable the LED blinking and remove the memory cards.

And whatever might come to your mind in terms of disabling sw settings and features (sorry, it's been a while since n800, i do not remember all on top of my head).

It would be interesting if you can share your results. 

Cheers, Igor
________________________________________
From: maemo-developers-bounces at maemo.org [maemo-developers-bounces at maemo.org] On Behalf Of ext Sungwon Yang [swyang80 at gmail.com]
Sent: 12 February 2010 21:49
To: maemo-developers
Subject: Turn off all devices but processor (and networking module) on N800

Hello,

I have a N800 and what I'm going to do is using N800 as an embedded
board for research purposes.
I need to evaluate processing time and power consumption when I run my
algorithm.
Is it possible to turn off all devices such as audio, camera,
display,etc which are not related to my work but still consume power
and may need processor's resource.
If possible, I'd like to disconnect those devices at very low level,
thus it looks like such devices do not exist.
I have no idea where I should start from.
Any help or hints would be really appreciated.
Thank you
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