[Arm-netbook] thoughts about EOMA68

[Gordan Bobic]

On 10/08/2012 05:34 PM, luke.leighton wrote:
> On Mon, Oct 8, 2012 at 5:25 PM, Gordan Bobic<gordan at bobich.net>  wrote:
>> On 10/08/2012 05:22 PM, luke.leighton wrote:
>>> On Mon, Oct 8, 2012 at 5:08 PM, Gordan Bobic<gordan at bobich.net>   wrote:
>>>
>>>> What about having a watch battery on the EOMA card that can power it for
>>>> a few minutes to facilitate hot-plugging?
>>>
>>>    i asked wits-tech to put in a supercapacitor but they oops chose a
>>> lithium cell to power the RTC.... didn't listen.  grrr.
>>>
>>>    *sigh* yes, we have to redo the PCB layout anyway.  all a bit
>>> embarrassing (i made a mistake).
>>
>> Hmm... Will a supercap be enough? Even if you have a way to suspend
>> everything and clock the CPU down to 0MHz, it may not last long enough.
>> A lithium battery, OTOH, shouldn't have a problem with keeping this
>> sleeping setup alive for minutes.
>
>   needs to be rechargeable, needs to be small (8mm diameter max, 2mm height max).
>
>   does anyone know of any suitable part numbers that meet this description?

Hmm... 2mm height will be an issue for a socketed battery - mainly due 
to the socket.

Gordan