In the web posting http://www.gumstix.org/hardware-design/overo-coms/74-overo-connectors/99-gumstix-overo-coms-27-pin-connector-j5-to-manage-camera-controls.html the GumStix is pinned out with the Horizontal Sync on pin 1 but on the camera board but in http://pubs.gumstix.com/boards/CASPA/PCB30009-R2496/PCB30009.pdf it is located on pin 27. The flex jumper http://www.gumstix.com/store/catalog/product_info.php?products_id=258 swaps pins from bottom to top so pin 1 remains pin1.
The only way that the CASPA schematic can be correct is that it uses a top entry connector. Is this true?
In the future it would be handy if you provided the BOM of the board or put the connector part numbers on the schematic.