Power Management
Hal Murray
hmurray at megapathdsl.net
Fri Jun 8 16:50:20 EDT 2007
> What's the power difference between freeze and off? If it's not
> substantial, I totally agree with you.
>From a B3 board running off wall power (12V)
No battery installed
Measuring current on the power cord:
Running Q2C11 firmware:
535 mA - idle loop, display lights on (no memory activity)
172 mA - "s" command which turns off the CPU and USB and ???
Running Linux:
Display lights on:
670 mA - eyeball peak during booting
640 mA - eyeball peak shortly after boot (initializing mesh and whatever)
532 mA - idle
Display lights off:
437 mA - idle
587 mA - CPU spin loop (not much memory)
620 mA - memory bashing
--
These are my opinions, not necessarily my employer's. I hate spam.
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