I have run the Unity extension and done the following:
1) created a bundle identifier
2) created a Ad Hoc provision and assigned that to my organiser in xcode
3) created an archive with adhoc selected
4) create the ipa file
5) install it on the iPad 1
and i get the following error when it is 3/4 of the wayg loading
'Failed to initialize QCAR because this device is not supported'