GUSREG_VOLUME_RATE 1415 dev/isa/gus.c  	SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_RATE);
GUSREG_VOLUME_RATE 2144 dev/isa/gus.c  		SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_RATE);