Map of Physical Memory 000000 ----- | 512k Chip mem 000000 ----- | Reserved 200000 ----- | 8 Megabyte memory space for Auto Config Expansion Devices. A00000 ----- | Reserved BFD000 ---- | I/O for 8520's C00000 ----- | CPU RAM DFF000 ---- | Custom Chip Addresses E00000 ----- | Reserved E80000 ----- | Auto Config Expansion Decoding F00000 -----| Reserved F00000 ---- | Reserved FFFFFF --- | ROM