diff -Nru linux/drivers/net/tulip/tulip_core.c.orig linux/drivers/net/tulip/tulip_core.c
--- linux/drivers/net/tulip/tulip_core.c.orig	Thu Aug 23 20:38:41 2001
+++ linux/drivers/net/tulip/tulip_core.c	Fri Oct  5 18:06:00 2001
@@ -1570,6 +1570,15 @@
 			sa_offset = 2;		/* Grrr, damn Matrox boards. */
 			multiport_cnt = 4;
 		}
+#ifdef CONFIG_DDB5477
+		if ((pdev->bus->number == 0) && (PCI_SLOT(pdev->devfn) == 4)) {
+			printk("JSUN: ddb5477 onboard ether workaround!\n");
+			/* Rockhopper MAC address in first EEPROM locations. */
+			sa_offset = 0;
+			/* No media table either for that matter. */
+			tp->flags &= ~HAS_MEDIA_TABLE;
+               }
+#endif
 		for (i = 0; i < 6; i ++) {
 			dev->dev_addr[i] = ee_data[i + sa_offset];
 			sum += ee_data[i + sa_offset];