NVRCK            2764 dev/ic/iha.c   		bus_space_write_1(iot, ioh, TUL_NVRAM, NVRCS | NVRCK);
NVRCK            2799 dev/ic/iha.c   	bus_space_write_1(iot, ioh, TUL_NVRAM, b | NVRCK);
NVRCK            2810 dev/ic/iha.c   		bus_space_write_1(iot, ioh, TUL_NVRAM, b | NVRCK);