diff --git a/sys/arch/sun3/dev/if_ie_sebuf.c b/sys/arch/sun3/dev/if_ie_sebuf.c
index 8ba5c1863d80..63b1e2a2b804 100644
--- a/sys/arch/sun3/dev/if_ie_sebuf.c
+++ b/sys/arch/sun3/dev/if_ie_sebuf.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_ie_sebuf.c,v 1.3 1997/10/25 18:04:21 gwr Exp $	*/
+/*	$NetBSD: if_ie_sebuf.c,v 1.4 1997/12/08 19:22:52 gwr Exp $	*/
 
 /*-
  * Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -73,6 +73,14 @@ static void ie_sebuf_reset __P((struct ie_softc *));
 static void ie_sebuf_attend __P((struct ie_softc *));
 static void ie_sebuf_run __P((struct ie_softc *));
 
+/*
+ * zero/copy functions: OBIO can use the normal functions, but VME
+ *    must do only byte or half-word (16 bit) accesses...
+ */
+static void wcopy __P((const void *vb1, void *vb2, u_int l));
+static void wzero __P((void *vb, u_int l));
+
+
 /*
  * New-style autoconfig attachment
  */
@@ -117,8 +125,19 @@ ie_sebuf_attach(parent, self, args)
 	sc->reset_586 = ie_sebuf_reset;
 	sc->chan_attn = ie_sebuf_attend;
 	sc->run_586   = ie_sebuf_run;
-	sc->sc_bcopy = bcopy;
-	sc->sc_bzero = bzero;
+	sc->sc_bcopy = wcopy;
+	sc->sc_bzero = wzero;
+
+	/* Control regs mapped by parent. */
+	sc->sc_reg = aa->regs;
+	regs = (struct ie_regs *) sc->sc_reg;
+
+	/*
+	 * On this hardware, the i82586 address zero
+	 * maps to the start of the board, which we
+	 * happen to know is 128K below (XXX).
+	 */
+	sc->sc_iobase = aa->buf - 0x20000;
 
 	/*
 	 * There is 128K of memory for the i82586 on
@@ -130,18 +149,19 @@ ie_sebuf_attach(parent, self, args)
 		panic("ie_sebuf: bad size");
 	sc->sc_msize = SE_IEBUFSIZE;
 	sc->sc_maddr = aa->buf;
-	sc->sc_reg = aa->regs;
-	regs = (volatile struct ie_regs *) sc->sc_reg;
-
-	/*
-	 * On this hardware, the i82586 address is just
-	 * masked to 17 bits, so sc_iobase == sc_maddr
-	 */
-	sc->sc_iobase = sc->sc_maddr;
 
 	/* Clear the memory. */
 	(sc->sc_bzero)(sc->sc_maddr, sc->sc_msize);
 
+	/*
+	 * XXX:  Unfortunately, the common driver code
+	 * is not ready to deal with more than 64K of
+	 * memory, so skip the first 64K.  Too bad.
+	 * Note: device needs the SCP at the end.
+	 */
+	sc->sc_msize -= 0x10000;
+	sc->sc_maddr += 0x10000;
+
 	/*
 	 * Set the System Configuration Pointer (SCP).
 	 * Its location is system-dependent because the
@@ -150,8 +170,8 @@ ie_sebuf_attach(parent, self, args)
 	 * masked down to 17 bits, so the SCP is found
 	 * at the end of the RAM on the VME board.
 	 */
-	off = IE_SCP_ADDR & (SE_IEBUFSIZE-1);
-	sc->scp = (volatile void *) (sc->sc_iobase + off);
+	off = IE_SCP_ADDR & 0xFFFF;
+	sc->scp = (volatile void *) (sc->sc_maddr + off);
 
 	/*
 	 * The rest of ram is used for buffers, etc.
@@ -159,33 +179,20 @@ ie_sebuf_attach(parent, self, args)
 	sc->buf_area = sc->sc_maddr;
 	sc->buf_area_sz = off;
 
-	/* Set the ethernet address. */
-	idprom_etheraddr(sc->sc_addr);
-
 	/* Install interrupt handler. */
 	regs->ie_ivec = aa->ca.ca_intvec;
 	isr_add_vectored(ie_intr, (void *)sc,
 		aa->ca.ca_intpri, aa->ca.ca_intvec);
 
+	/* Set the ethernet address. */
+	idprom_etheraddr(sc->sc_addr);
+
 	/* Do machine-independent parts of attach. */
 	ie_attach(sc);
 
 }
 
-
-/*
- * MULTIBUS/VME support
- */
-void 
-ie_sebuf_reset(sc)
-	struct ie_softc *sc;
-{
-	volatile struct ie_regs *regs = (struct ie_regs *) sc->sc_reg;
-	regs->ie_csr = IE_CSR_RESET;
-	delay(10);
-	regs->ie_csr = 0;
-}
-
+/* Whack the "channel attetion" line. */
 void 
 ie_sebuf_attend(sc)
 	struct ie_softc *sc;
@@ -196,11 +203,103 @@ ie_sebuf_attend(sc)
 	regs->ie_csr &= ~IE_CSR_ATTEN;	/* down. */
 }
 
+/*
+ * This is called during driver attach.
+ * Reset and initialize.
+ */
 void 
-ie_sebuf_run(sc)
+ie_sebuf_reset(sc)
 	struct ie_softc *sc;
 {
 	volatile struct ie_regs *regs = (struct ie_regs *) sc->sc_reg;
-
-	regs->ie_csr |= IE_CSR_IENAB;
+	regs->ie_csr = IE_CSR_RESET;
+	delay(20);
+	regs->ie_csr = (IE_CSR_NOLOOP | IE_CSR_IENAB);
+}
+
+/*
+ * This is called at the end of ieinit().
+ * optional.
+ */
+void
+ie_sebuf_run(sc)
+	struct ie_softc *sc;
+{
+	/* do it all in reset */
+}
+
+/*
+ * wcopy/wzero - like bcopy/bzero but largest access is 16-bits,
+ * and also does byte swaps...
+ * XXX - Would be nice to have asm versions in some library...
+ */
+
+static void
+wzero(vb, l)
+	void *vb;
+	u_int l;
+{
+	u_char *b = vb;
+	u_char *be = b + l;
+	u_short *sp;
+
+	if (l == 0)
+		return;
+
+	/* front, */
+	if ((u_long)b & 1)
+		*b++ = 0;
+
+	/* back, */
+	if (b != be && ((u_long)be & 1) != 0) {
+		be--;
+		*be = 0;
+	}
+
+	/* and middle. */
+	sp = (u_short *)b;
+	while (sp != (u_short *)be)
+		*sp++ = 0;
+}
+
+static void
+wcopy(vb1, vb2, l)
+	const void *vb1;
+	void *vb2;
+	u_int l;
+{
+	const u_char *b1e, *b1 = vb1;
+	u_char *b2 = vb2;
+	u_short *sp;
+	int bstore = 0;
+
+	if (l == 0)
+		return;
+
+	/* front, */
+	if ((u_long)b1 & 1) {
+		*b2++ = *b1++;
+		l--;
+	}
+
+	/* middle, */
+	sp = (u_short *)b1;
+	b1e = b1 + l;
+	if (l & 1)
+		b1e--;
+	bstore = (u_long)b2 & 1;
+
+	while (sp < (u_short *)b1e) {
+		if (bstore) {
+			b2[1] = *sp & 0xff;
+			b2[0] = *sp >> 8;
+		} else
+			*((short *)b2) = *sp;
+		sp++;
+		b2 += 2;
+	}
+
+	/* and back. */
+	if (l & 1)
+		*b2 = *b1e;
 }