CD1400_COR4       791 dev/ic/cy.c    	cd_write_reg(cy, CD1400_COR4, CD1400_COR4_PFO_EXCEPTION);
CD1400_COR4      1315 dev/sbus/magma.c 	CD1400_WRITE_REG(cd, CD1400_COR4, CD1400_COR4_PFO_EXCEPTION);