OK, seems I had an intermittant loss of connectivity, got it to read the bank data for A and this is the error report in terminal:

Exception in thread Thread-3:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner
    self.run()
  File "/usr/lib/pymodules/python2.7/chirp/ui/common.py", line 261, in run
    job.execute(self.radio)
  File "/usr/lib/pymodules/python2.7/chirp/ui/bankedit.py", line 138, in execute
    mappings = self.__model.get_memory_mappings(mem)
  File "/usr/lib/pymodules/python2.7/chirp/drivers/icf.py", line 544, in get_memory_mappings
    index = self._radio._get_bank(memory.number)
  File "/usr/lib/pymodules/python2.7/chirp/drivers/ic9x.py", line 83, in _get_bank
    return mem._bank
AttributeError: Memory instance has no attribute '_bank'

799 is the last valid memory in the 92AD 'A' band so something in memory mappings maybe?

Wenlock