A combination of multiplexers and demultiplexers will be required to connect the address lines.

The higher address lines of the CPU will be directly connected to the address lines of each RAM chip, and lower address lines will be used for chip selection.

The lower address lines of the CPU will be directly connected to the address lines of each RAM chip, and higher address lines will be used for chip selection.

All address lines of the CPU will be directly connected to the address lines of each RAM chip