For that mod, go to http://mods.db9.dk/ and click on the Kenwood section, then for the TS570 - shows which sm chip to remove, on which board (behind the front panel). 73 Ray "The more I see of the representatives of the people, the more I admire my dogs." letter from Count d'Orsay Ray Colbert, W5XE, OOTC#3618, SOWP#1064M NARTE- NCT2R, SOC#78,ARCI 5784, El Paso,(FAR WEST)TEXAS