CBB_SOCKET_MASK
cbb_set(sc, CBB_SOCKET_MASK, 0);
cbb_setb(sc, CBB_SOCKET_MASK, CBB_SOCKET_MASK_CD | CBB_SOCKET_MASK_CSTS);
mask = cbb_get(sc, CBB_SOCKET_MASK);
cbb_set(sc, CBB_SOCKET_MASK, mask);
cbb_clrb(sc, CBB_SOCKET_MASK, CBB_SOCKET_MASK_POWER);
cbb_setb(sc, CBB_SOCKET_MASK, CBB_SOCKET_MASK_CD);
cbb_set(sc, CBB_SOCKET_MASK, 0);
cbb_clrb(sc, CBB_SOCKET_MASK, DELTA);
cbb_clrb(sc, CBB_SOCKET_MASK, CBB_SOCKET_EVENT_POWER);
cbb_set(sc, CBB_SOCKET_MASK, 0); /* Quiet hardware */
cbb_setb(sc, CBB_SOCKET_MASK, CBB_SOCKET_MASK_CD);