As an outsider, may I make a suggestion?
If you drop the flash memory chip, please replace it with an USB hub one.
There seems to have been a lot of trouble with external hub, so it would be a good idea to avoid requiring one. 2 USB ports of standart size would be good to add mass storage and a wireless dongle (wifi or bluetooth).
For the desktop edition of the parallella, 2 more standart size ports may help add a keyborad and a mouse without fuss.
As I said, just a suggestion...