PORTIBM PC Portable (uses same BIOS as XT) 01F9-01FF - PCIBM PC radio by CoZet Info Systems
Range:	The I/O address range is dipswitch selectable from:
	   038-03F and 0B0-0BF
	   078-07F and 0F0-0FF
	   138-13F and 1B0-1BF
	   178-17F and 1F0-1FF
	   238-23F and 2B0-2BF
	   278-27F and 2F0-2FF
	   338-33F and 3B0-3BF
	   378-37F and 3F0-3FF
Notes:	All of these addresses show a readout of FFh in initial state.
	Once started, all of the addresses show	FBh, whatever might happen.