[Arm-netbook] motherboard negotiation

Justin Cormack justin at specialbusservice.com
Fri Jan 13 22:43:08 GMT 2012


On 13 Jan 2012, at 22:17, Bari Ari <bari at onelabs.com> wrote:

> On 01/13/2012 03:56 PM, lkcl luke wrote:
>> btw, jon: yes there will be an SPI interface on the expansion-1
>> header: again, LCDs connected to this will be outside of scope,
>> because that's not part of EOMA.
>> 
>> l.
>> 
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>> 
> People are starting to ask me about the connector and expansion headers 
> on the module and I'd like to clear a few things up.
> 
> Can we stop calling the PCMCIA connector the PCMCIA connector? It always 
> confuses the **** out of people since they assume it's 100% PCMCIA 
> compatible. We know what it is, they don't, and it's a waste of time to 
> keep on clearing up this issue. How about we call it the EOMA connector 
> or EOMA-64 connector or something similar? Same for the card. Its not a 
> PCMCIA card, it's a EOMA or EOMA-64 card. PCMCIA cards are something 
> with a completely different electrical standard.
> 
> Now on to the expansion header/s. The standard EOMA card will just have 
> the EOMA connector and a full metal jacket, if I am still up to date. 
> The side of the card opposite the EOMA connector could be used for 
> expansion headers, connectors, jacks, pictures of unicorns, or whatever. 
> If the connectors stick out past the edge of the metal jacket then it 
> won't fit into products designed for just the standard EOMA connector 
> and metal jacket. That's ok, since these non-standard EOMA cards with 
> expansion headers or connectors (whatever) will be used in other types 
> of custom products/motherboards. In fact expansion headers or connectors 
> could be placed anywhere on the board without regard for a metal jacket 
> at all if you wish. They just won't be standard EOMA cards but they will 
> use the standard EOMA connector.
> 
> Lets sort this out before I bring up a few more hardware issues.
> 
> -Bari
> 
> 

I assumed that to be standard they would have to mechanically fit, so extra headers would need to be inside the jacket and sizes, or possibly on ribbon cables so they fit.

I dont want to have something labelled EOMA that doesnt fit in my machine because of some unicorn on the back...

Justin




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