diff -ur pci.orig/if_de.c pci/if_de.c
--- pci.orig/if_de.c	Mon Aug 30 01:31:35 1999
+++ pci/if_de.c	Sun Jan 23 21:03:23 2000
@@ -177,7 +177,22 @@
 #define TULIP_DEBUG
 #endif
 
-#if 0
+#if 1
+/*
+ * This turns on very very verbose debugging print.
+ */
+#define TULIP_DEBUG_VERBOSE 1
+#endif
+
+#if 1
+/*
+ * This turns on manual setting media is allways allowed.
+ * And when media type is MII, write 0x00000000 to CSR13 and CSR14.
+ */
+#define TULIP_FORCE_MII_MEDIA_SET 1
+#endif
+
+#if 1
 #define	TULIP_PERFSTATS
 #endif
 
@@ -215,6 +230,11 @@
 static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req);
 #endif
 /* static void tulip_21140_map_media(tulip_softc_t *sc); */
+#ifdef TULIP_DEBUG_VERBOSE
+#define TULIP_DEBUG_VERBOSE_PRINTF(x)   printf##x
+#else
+#define TULIP_DEBUG_VERBOSE_PRINTF(x)
+#endif
 
 static void
 tulip_timeout_callback(
@@ -322,6 +342,7 @@
     if (mi == NULL)
 	return;
 
+    TULIP_DEBUG_VERBOSE_PRINTF((TULIP_PRINTF_FMT ": tulip_media_set: setting media to %s. media_type is %s.\n", TULIP_PRINTF_ARGS, tulip_mediums[media], tulip_mediainfo_string[mi->mi_type] ));
     /*
      * If we are switching media, make sure we don't think there's
      * any stale RX activity
@@ -364,8 +385,14 @@
 	}
 	TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol);
 	TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata);
+
+#ifdef TULIP_FORCE_MII_MEDIA_SET
+    } else if (mi->mi_type == TULIP_MEDIAINFO_MII ) {
+#else /* original code */
     } else if (mi->mi_type == TULIP_MEDIAINFO_MII
 	       && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) {
+#endif /* TULIP_FORCE_MII_MEDIA_SET */
+
 	int idx;
 	if (sc->tulip_features & TULIP_HAVE_SIAGP) {
 	    const u_int8_t *dp;
@@ -380,6 +407,22 @@
 		DELAY(10);
 		TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
 	    }
+#ifdef TULIP_FORCE_MII_MEDIA_SET
+            if ( mi->mi_reset_length == 0 && mi->mi_gpr_length == 0 ) {
+                TULIP_DEBUG_VERBOSE_PRINTF((TULIP_PRINTF_FMT ": tulip_media_set: Okey. Now tring to reset 21143\n", TULIP_PRINTF_ARGS ));
+                DELAY(50);
+                TULIP_CSR_WRITE(sc, csr_sia_general, 0);
+                TULIP_DEBUG_VERBOSE_PRINTF((TULIP_PRINTF_FMT ": tulip_media_set: TULIP_CSR_WRITE(CSR15, %08x)\n", TULIP_PRINTF_ARGS, 0 ));
+                DELAY(50);
+                TULIP_CSR_WRITE(sc, csr_sia_tx_rx, 0);
+                TULIP_DEBUG_VERBOSE_PRINTF((TULIP_PRINTF_FMT ": tulip_media_set: TULIP_CSR_WRITE(CSR14, %08x)\n", TULIP_PRINTF_ARGS, 0 ));
+                DELAY(50);
+                TULIP_CSR_WRITE(sc, csr_sia_connectivity, 0);
+                TULIP_DEBUG_VERBOSE_PRINTF((TULIP_PRINTF_FMT ": tulip_media_set: TULIP_CSR_WRITE(CSR13, %08x)\n", TULIP_PRINTF_ARGS, 0 ));
+            } else {
+                TULIP_DEBUG_VERBOSE_PRINTF((TULIP_PRINTF_FMT ": tulip_media_set: Humm. There is some reset data in ROM. Skipping force reset sequence.\n", TULIP_PRINTF_ARGS ));
+            }
+#endif /* TULIP_FORCE_MII_MEDIA_SET */
 	} else {
 	    for (idx = 0; idx < mi->mi_reset_length; idx++) {
 		DELAY(10);
@@ -451,12 +494,21 @@
     sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY);
     if (sc->tulip_flags & TULIP_INRESET) {
 	tulip_media_set(sc, sc->tulip_media);
-    } else if (sc->tulip_probe_media != sc->tulip_media) {
+    }
+    /*
+     * Condition check was removed. When probed media with
+     * autonegotiation is not correct, I want to setup media type with
+     * ifconfig command manually.
+     */
+#ifndef TULIP_FORCE_MII_MEDIA_SET
+    else if (sc->tulip_probe_media != sc->tulip_media) {
 	/*
 	 * No reason to change media if we have the right media.
 	 */
+        TULIP_DEBUG_VERBOSE_PRINTF((TULIP_PRINTF_FMT ": tulip_linkup: No reason to change media if we have the right media. I will not change media.\n", TULIP_PRINTF_ARGS));
 	tulip_reset(sc);
     }
+#endif /* not TULIP_FORCE_MI_MEDIA_SET */
     tulip_init(sc);
 }
 
@@ -1485,6 +1537,7 @@
 	    loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x\n",
 		       TULIP_PRINTF_ARGS, phyaddr, data);
 #endif
+            TULIP_DEBUG_VERBOSE_PRINTF((TULIP_PRINTF_FMT ": autonegotiation compelete!!! data:%08x\n", TULIP_PRINTF_ARGS, data));
 	    data = (data << 6) & status;
 	    if (!tulip_mii_map_abilities(sc, data))
 		sc->tulip_flags &= ~TULIP_DIDNWAY;
@@ -2083,9 +2136,14 @@
 }
 
 #define	tulip_mchash(mca)	(tulip_crc32(mca, 6) & 0x1FF)
-#define	tulip_srom_crcok(databuf)	( \
+#define	tulip_srom_crcok(databuf)	\
+       (tulip_srom_crcok128(databuf) || tulip_srom_crcok96(databuf))
+#define       tulip_srom_crcok128(databuf)    ( \
     ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \
      ((databuf)[126] | ((databuf)[127] << 8)))
+#define       tulip_srom_crcok96(databuf)     ( \
+    ((tulip_crc32(databuf, 94) & 0xFFFFU) ^ 0xFFFFU) == \
+     ((databuf)[94] | ((databuf)[95] << 8)))
 
 static unsigned
 tulip_crc32(
diff -ur pci.orig/if_devar.h pci/if_devar.h
--- pci.orig/if_devar.h	Mon Aug 30 01:31:36 1999
+++ pci/if_devar.h	Sun Jan  9 02:22:23 2000
@@ -269,6 +269,17 @@
 #define	TULIP_SROM_ATTR_POWERUP		0x0800
 #define	TULIP_SROM_ATTR_NOLINKPASS	0x1000
 
+#ifdef TULIP_DEBUG_VERBOSE
+static char *tulip_mediainfo_string[] = {
+    "TULIP_MEDIAINFO_NONE",
+    "TULIP_MEDIAINFO_SIA",
+    "TULIP_MEDIAINFO_GPR",
+    "TULIP_MEDIAINFO_MII",
+    "TULIP_MEDIAINFO_RESET",
+    "TULIP_MEDIAINFO_SYM"
+};
+#endif
+
 typedef struct {
     enum {
 	TULIP_MEDIAINFO_NONE,