diff --git a/sys/conf/files.i386 b/sys/conf/files.i386
index ea8af63042b9..cd71c62937f7 100644
--- a/sys/conf/files.i386
+++ b/sys/conf/files.i386
@@ -1,7 +1,7 @@
 # This file tells config what files go into building a kernel,
 # files marked standard are always included.
 #
-#	$Id: files.i386,v 1.101 1995/07/22 23:53:30 bde Exp $
+#	$Id: files.i386,v 1.102 1995/07/28 22:25:52 jkh Exp $
 #
 aic7xxx_asm			optional	ahc	device-driver	   \
 	dependency 	"$S/dev/aic7xxx/aic7xxx_asm.c"			   \
@@ -113,6 +113,8 @@ i386/isa/rc.c			optional	rc	device-driver
 i386/isa/readMBR.c		standard	
 i386/isa/scd.c			optional	scd	device-driver
 i386/isa/seagate.c		optional	sea	device-driver
+i386/isa/si.c			optional	si	device-driver
+i386/isa/si_code.c		optional	si	device-driver
 i386/isa/sio.c			optional	sio	device-driver
 i386/isa/sound/dev_table.c	optional	snd	device-driver
 i386/isa/sound/soundcard.c	optional	snd	device-driver
diff --git a/sys/i386/conf/files.i386 b/sys/i386/conf/files.i386
index ea8af63042b9..cd71c62937f7 100644
--- a/sys/i386/conf/files.i386
+++ b/sys/i386/conf/files.i386
@@ -1,7 +1,7 @@
 # This file tells config what files go into building a kernel,
 # files marked standard are always included.
 #
-#	$Id: files.i386,v 1.101 1995/07/22 23:53:30 bde Exp $
+#	$Id: files.i386,v 1.102 1995/07/28 22:25:52 jkh Exp $
 #
 aic7xxx_asm			optional	ahc	device-driver	   \
 	dependency 	"$S/dev/aic7xxx/aic7xxx_asm.c"			   \
@@ -113,6 +113,8 @@ i386/isa/rc.c			optional	rc	device-driver
 i386/isa/readMBR.c		standard	
 i386/isa/scd.c			optional	scd	device-driver
 i386/isa/seagate.c		optional	sea	device-driver
+i386/isa/si.c			optional	si	device-driver
+i386/isa/si_code.c		optional	si	device-driver
 i386/isa/sio.c			optional	sio	device-driver
 i386/isa/sound/dev_table.c	optional	snd	device-driver
 i386/isa/sound/soundcard.c	optional	snd	device-driver
diff --git a/sys/i386/i386/conf.c b/sys/i386/i386/conf.c
index 5d4a47da5c46..1c5fa6916065 100644
--- a/sys/i386/i386/conf.c
+++ b/sys/i386/i386/conf.c
@@ -42,7 +42,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)conf.c	5.8 (Berkeley) 5/12/91
- *	$Id: conf.c,v 1.89 1995/07/22 13:56:06 bde Exp $
+ *	$Id: conf.c,v 1.90 1995/07/31 22:06:55 jkh Exp $
  */
 
 #include <sys/param.h>
@@ -918,6 +918,28 @@ d_ttycv_t	cydevtotty;
 #define	cydevtotty	nxdevtotty
 #endif
 
+/* Specialix serial driver */
+#include "si.h"
+#if	NSI > 0
+d_open_t        siopen;
+d_close_t       siclose;
+d_read_t        siread;
+d_write_t       siwrite;
+d_ioctl_t	siioctl;
+d_stop_t        sistop;
+d_ttycv_t	sidevtotty;
+#define sireset	nxreset
+#else
+#define	siopen		nxopen
+#define siclose		nxclose
+#define siread		nxread
+#define siwrite		nxwrite
+#define siioctl		nxioctl
+#define sistop		nxstop
+#define sireset		nxreset
+#define	sidevtotty	nxdevtotty
+#endif
+
 #include "ity.h"
 #if NITY > 0
 d_open_t	ityopen;
@@ -1250,6 +1272,9 @@ struct cdevsw	cdevsw[] =
         { meteor_open,  meteor_close,   meteor_read,    meteor_write,   /*67*/
           meteor_ioctl, nostop,         nullreset,      nodevtotty,/* Meteor */
           seltrue, meteor_mmap, NULL },
+	{ siopen,	siclose,	siread,		siwrite,	/*68*/
+	  siioctl,	sistop,		sireset,	sidevtotty,/* slxos */
+	  ttselect,	nxmmap,		NULL },
 };
 int	nchrdev = sizeof (cdevsw) / sizeof (cdevsw[0]);