IT_MODE
modectl = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_MODE);
pci_conf_write(sc->sc_pc, sc->sc_tag, IT_MODE, modectl);
modectl = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_MODE);
modectl = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_MODE);
pci_conf_write(sc->sc_pc, sc->sc_tag, IT_MODE, modectl);