CL1B power distribution

John Watlington wad at laptop.org
Mon Apr 27 10:58:20 EDT 2009


On Apr 27, 2009, at 6:11 AM, Joel Stanley wrote:

> Hello Wad,
>
> On Sun, Apr 26, 2009 at 12:35, John Watlington <wad at laptop.org> wrote:
>>
>> On Apr 25, 2009, at 7:29 PM, pgf at laptop.org wrote:
>
>>>     - will we have (approximate) numbers at some point for how
>>>       much power any given subsystem takes?  (e.g., for the
>>>       above case, how much would powering down the kbd/tpad
>>>       save?  this will inform decisions like "how much effort
>>>       is it worth?")
>> I have estimates for the new sections, and we have numbers from
>> Tinderbox for the portions that aren't changing (keyboard, touchpad,
>> DCON, display).
>
> Out of interest, will the new PCB layout be tinderbox-friendly?  Are
> you planning to wire a 1.5 up?

Tinderbox friendly and production friendly are different goals.
A-phase will be tinderbox friendly, but the resistors will be
going away before C-phase.

wad




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