diff --git a/sys/arch/alpha/alpha/dec_axppci_33.c b/sys/arch/alpha/alpha/dec_axppci_33.c
index 01830dd1ac38..ea96a63969fe 100644
--- a/sys/arch/alpha/alpha/dec_axppci_33.c
+++ b/sys/arch/alpha/alpha/dec_axppci_33.c
@@ -1,4 +1,4 @@
-/* $NetBSD: dec_axppci_33.c,v 1.38 1998/07/07 08:49:12 ross Exp $ */
+/* $NetBSD: dec_axppci_33.c,v 1.39 1998/11/19 02:05:07 ross Exp $ */
 
 /*
  * Copyright (c) 1995, 1996, 1997 Carnegie-Mellon University.
@@ -31,7 +31,7 @@
  */
 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
 
-__KERNEL_RCSID(0, "$NetBSD: dec_axppci_33.c,v 1.38 1998/07/07 08:49:12 ross Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dec_axppci_33.c,v 1.39 1998/11/19 02:05:07 ross Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -40,9 +40,9 @@ __KERNEL_RCSID(0, "$NetBSD: dec_axppci_33.c,v 1.38 1998/07/07 08:49:12 ross Exp
 #include <dev/cons.h>
 
 #include <machine/rpb.h>
+#include <machine/alpha.h>
 #include <machine/autoconf.h>
 #include <machine/conf.h>
-#include <machine/bus.h>
 
 #include <dev/ic/comreg.h>
 #include <dev/ic/comvar.h>
@@ -86,26 +86,10 @@ lca_preinit()
 	return &lca_configuration;
 }
 
-#define	NSIO_PORT  0x26e	/* Hardware enabled option: 0x398 */
-#define	NSIO_BASE  0
-#define	NSIO_INDEX NSIO_BASE
-#define	NSIO_DATA  1
-#define	NSIO_SIZE  2
-#define	NSIO_CFG0  0
-#define	NSIO_CFG1  1
-#define	NSIO_CFG2  2
-#define	NSIO_IDE_ENABLE 0x40
-
 void
 dec_axppci_33_init()
 {
-	int cfg0val;
 	u_int64_t variation;
-	bus_space_tag_t iot;
-	struct lca_config *lcp;
-	bus_space_handle_t nsio;
-#define	A33_NSIOBARRIER(type) bus_space_barrier(iot, nsio,\
-				NSIO_BASE, NSIO_SIZE, (type))
 
 	platform.family = "DEC AXPpci";
 
@@ -120,24 +104,7 @@ dec_axppci_33_init()
 	platform.cons_init = dec_axppci_33_cons_init;
 	platform.device_register = dec_axppci_33_device_register;
 
-	lcp = lca_preinit();
-	iot = &lcp->lc_iot;
-	if (bus_space_map(iot, NSIO_PORT, NSIO_SIZE, 0, &nsio))
-		return;
-
-	bus_space_write_1(iot, nsio, NSIO_INDEX, NSIO_CFG0);
-	A33_NSIOBARRIER(BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
-	cfg0val = bus_space_read_1(iot, nsio, NSIO_DATA);
-
-	cfg0val |= NSIO_IDE_ENABLE;
-
-	bus_space_write_1(iot, nsio, NSIO_INDEX, NSIO_CFG0);
-	A33_NSIOBARRIER(BUS_SPACE_BARRIER_WRITE);
-	bus_space_write_1(iot, nsio, NSIO_DATA, cfg0val);
-	A33_NSIOBARRIER(BUS_SPACE_BARRIER_WRITE);
-	bus_space_write_1(iot, nsio, NSIO_DATA, cfg0val);
-
-	/* Leave nsio mapped to catch any accidental port space collisions  */
+	enable_nsio_ide(&lca_preinit()->lc_iot);
 }
 
 static void