[Arm-netbook] rev0 a10 eoma68 board bringup

[Troy Benjegerdes]

On Mon, Dec 31, 2012 at 08:17:39PM +0000, luke.leighton wrote:
> On Mon, Dec 31, 2012 at 6:25 PM, Troy Benjegerdes <hozer at hozed.org> wrote:
> > On Mon, Dec 31, 2012 at 06:12:07PM +0000, luke.leighton wrote:
> >> On Mon, Dec 31, 2012 at 5:29 PM, Simon Kenyon <simon at koala.ie> wrote:
> >> > On 12/30/12 14:06, luke.leighton wrote:
> >> >> as a second phase - after getting successful samples up and running -
> >> >> we thought about doing a version of the board which is square-ish in
> >> >> size which has a stack of connectors - RJ45, USB2, 5V Power etc. etc.
> >> >> - which would be suitable for engineering and educational purposes.
> >> >>
> >> >> thoughts, advice and comments appreciated.
> >> >
> >> > could i suggest that all connectors go on one side of the PCB in order
> >> > to be able to put it into a case without it looking like a spider
> >>
> >>  mmm.... well let's think this through.  connectors would be:
> >>
> >>  * micro-hdmi
> >>  * micro-sd
> >>  * micro-usb
> >>  * RJ45 for ethernet
> >>  * full-size USB x2
> >>
> >> anything else?
> >
> > Use a magjack with POE support, and leave thru-holes or some sort
> > of connector/header to add-in a Silvertel POE module.
> 
>  i like that idea.  do you have any circuits kicking around?

This might be a good example:

http://arduino.cc/en/Main/ArduinoBoardEthernet

Also see http://www.silvertel.com/poe_magnetics.htm

Basically, a POE magjack has 4 extra taps that get 
wired to the 4 inputs of a Silvertel 9205 module,
and you get 5v out the other end.

Full datasheets are at:
http://www.silvertel.com/poe_products.htm