[Open-graphics] [urgent] OGD1, need help with gumstix, quickly

[Mark]

Farhan Mohamed Ali wrote:
> Timothy Normand Miller wrote:
>> We obviously have enough signal lines to support the gumstix 60-pin
>> connector.  Unfortunately, there are more interesting devices that
>> require the 92-pin connector.
>>
>> So, first, how many of those 92 are actually digital signals (as
>> opposed to power and ground)?  If we cannot support them all, how many
>> can we sacrifice and still remain reasonably compliant?  Like, can we
>> sacrifice some address lines?  Now, with those sacrificed, what do we
>> need to do with them?  Allowing them to float is likely to be very
>> bad, so we need to know if we have to tie them to 0 or 1.
>>
Schematics of expansions boards are available here:
http://pubs.gumstix.org/boards/

For instance, the NETMMC board doesn't use all pins on the 92-pin connector:
http://pubs.gumstix.org/boards/NETMMC/PCB00018-R918/PCB00018.H92.png

It looks like there's an Eagle library for the connector (possibly 
giving the placement of mounting holes?):
http://svn.gumstix.com/gumstix-hardware/Eagle/lbr/