diff --git a/sys/dev/fxp/if_fxp.c b/sys/dev/fxp/if_fxp.c
index 1949f98df937..644ec2ce6998 100644
--- a/sys/dev/fxp/if_fxp.c
+++ b/sys/dev/fxp/if_fxp.c
@@ -448,11 +448,20 @@ fxp_attach(device_t dev)
 	 */
 	fxp_autosize_eeprom(sc);
 
+	/*
+	 * Find out the chip revision; lump all 82557 revs together.
+	 */
+	fxp_read_eeprom(sc, &data, 5, 1);
+	if ((data >> 8) == 1)
+		sc->revision = FXP_REV_82557;
+	else
+		sc->revision = pci_get_revid(dev);
+
 	/*
 	 * Determine whether we must use the 503 serial interface.
 	 */
 	fxp_read_eeprom(sc, &data, 6, 1);
-	if (sc->revision <= FXP_REV_82557 && (data & FXP_PHY_DEVICE_MASK) != 0
+	if (sc->revision == FXP_REV_82557 && (data & FXP_PHY_DEVICE_MASK) != 0
 	    && (data & FXP_PHY_SERIAL_ONLY))
 		sc->flags |= FXP_FLAG_SERIAL_MEDIA;
 
@@ -489,15 +498,6 @@ fxp_attach(device_t dev)
 	    "noflow", &sc->tunable_noflow);
 	sc->rnr = 0;
 
-	/*
-	 * Find out the chip revision; lump all 82557 revs together.
-	 */
-	fxp_read_eeprom(sc, &data, 5, 1);
-	if ((data >> 8) == 1)
-		sc->revision = FXP_REV_82557;
-	else
-		sc->revision = pci_get_revid(dev);
-
 	/*
 	 * Enable workarounds for certain chip revision deficiencies.
 	 *