[Arm-netbook] origen 4 (exynos S5PV310)

luke.leighton luke.leighton at gmail.com
Sat Sep 15 19:57:08 BST 2012


On Sat, Sep 15, 2012 at 4:31 PM, Derek LaHousse <dlahouss at mtu.edu> wrote:
> On Sat, 2012-09-15 at 13:18 +0200, Henrik Nordström wrote:
>> fre 2012-09-14 klockan 21:58 -0500 skrev Eric Stuyvesant:
>>
>> > Yeah, and 2ghz dualcore A15 as well. Wowwww is right.
>>
>> Does it fit in eoma power profile?
>>
>> Regards
>> Henrik
>>
>>
>>
>
> If not, there's always underclocking, right?
>
> Hey, if USB 3.0 can provide nearly 10 W of power, how does the card stay
> under 5W?  Or, does the card just provide the data lines, and the power
> lines come from the chassis?
> Actually, I'm dumb.  Of course the power lines aren't coming directly
> from the CPU.

:)

> Well, I'll record that anyway, and mention that USB 3.0
> provides more power for accessories.  Yay.
> I'll also add that according to http://www.usb.org/developers/onthego/
> it looks like USB 3.0 can support OTG as well (if the chip does),
> allowing the card to act as the master while power is delivered in.
> With 5W max dissipated in the card, that'd allow a battery to charge
> while being used, depending on the details of the ioboard.

 yyep.

 oh i forgot to answer the question about USB3, didn't i?  well, i
thought about it.  it would be necessary to reduce the number of GPIOs
to 12 from 16.  i know, i know.  i really should do that.  i just like
powers-of-two.  *sigh*.

l.



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