On the F1-D Reproduction board the ports FA7E, FB7E/FB7F and FBF6/FBF7 are fully decoded. FB7E/FBF6 is chosen with a link/switch on the PCB.
On the F1-D original device the I/O ports are partially decoded(use of the full I/O address given below avoids conflict with other devices):
'''CPC 464:'''