Hi Ron,

I have 2 domestic primary cartridges:

the first covers 88 to 98 years and has 2 proms: U14 version 6.1 and U15 GCI 1.9

the second covers 96 to 01 years and the proms are U14 version 7.1 and U15 GCI 2.0 I believe the 7.1 prom will not work without... Login to read more.