ETH_PROM_SIG     4003 drivers/net/ethernet/dec/tulip/de4x5.c     dev.llsig.a = ETH_PROM_SIG;
ETH_PROM_SIG     4004 drivers/net/ethernet/dec/tulip/de4x5.c     dev.llsig.b = ETH_PROM_SIG;