DS1217M-1/2-25,NVRAM
DS1217M-1-25,RAM READ/WRITE NV 1MEG CARTRIDGE
DS1217M-2-25,RAM READ/WRITE NV 2MEG CARTRIDGE
DS1217M-3-25,RAM READ/WRITE NV 3MEG CARTRIDGE
DS1217M-4-25,NVRAM
DS1217M-L04,RAM READ/WRITE NV LO LEAK 4MEG
DS1218,IC CONTROLLER NV 8-DIP
DS1218+,IC CONTROLLER NV 8-DIP
