diff --git a/distrib/sets/lists/base/md.i386 b/distrib/sets/lists/base/md.i386
index 7b3633ac0f85..f72cfa785984 100644
--- a/distrib/sets/lists/base/md.i386
+++ b/distrib/sets/lists/base/md.i386
@@ -25,6 +25,7 @@
 ./usr/lkm/procfs.o
 ./usr/lkm/umapfs.o
 ./usr/mdec/biosboot.sym
+./usr/mdec/biosboot_ser.sym
 ./usr/mdec/dosboot.com
 ./usr/mdec/installboot
 ./usr/mdec/mbr
diff --git a/sys/arch/i386/stand/Makefile b/sys/arch/i386/stand/Makefile
index fb0f8d2378be..316fa2d5d7d9 100644
--- a/sys/arch/i386/stand/Makefile
+++ b/sys/arch/i386/stand/Makefile
@@ -1,6 +1,6 @@
-#	$NetBSD: Makefile,v 1.8 1997/03/14 02:54:14 perry Exp $
+#	$NetBSD: Makefile,v 1.9 1999/03/12 16:07:58 sommerfe Exp $
 
-SUBDIR=		biosboot installboot
+SUBDIR=		biosboot biosboot_ser installboot
 SUBDIR+=	dosboot
 #SUBDIR+=	genprom netboot
 
diff --git a/sys/arch/i386/stand/Makefile.booters b/sys/arch/i386/stand/Makefile.booters
index f2537860ea06..5a3b41187d4e 100644
--- a/sys/arch/i386/stand/Makefile.booters
+++ b/sys/arch/i386/stand/Makefile.booters
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile.booters,v 1.18 1999/02/07 18:25:54 tron Exp $
+#	$NetBSD: Makefile.booters,v 1.19 1999/03/12 16:07:58 sommerfe Exp $
 
 BINDIR= /usr/mdec
 STRIPFLAG=
@@ -61,7 +61,7 @@ LDFLAGS=-N -M -e _start
 .endif
 
 vers.o: version
-	sh ${I386_STAND_DIR}/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT}
+	sh ${I386_STAND_DIR}/newvers.sh ${.ALLSRC} ${NEWVERSWHAT}
 	${COMPILE.c} vers.c
 
 ${BASE}.sym: ${BSSTART} ${OBJS} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBI386} vers.o
diff --git a/sys/arch/i386/stand/biosboot_ser/Makefile b/sys/arch/i386/stand/biosboot_ser/Makefile
new file mode 100644
index 000000000000..7e9b933f9260
--- /dev/null
+++ b/sys/arch/i386/stand/biosboot_ser/Makefile
@@ -0,0 +1,42 @@
+#	$NetBSD: Makefile,v 1.1 1999/03/12 16:07:58 sommerfe Exp $
+
+S=	${.CURDIR}/../../../../
+
+BASE= biosboot_ser
+PROG= ${BASE}.sym
+MKMAN=	no
+NEWVERSWHAT=	"BIOS Boot"
+
+SRCS= main.c devopen.c conf.c exec.c
+
+CLEANFILES+= ${BSSTART}
+
+CPPFLAGS+= -DCOMPAT_OLDBOOT -DCOMPAT_386BSD_MBRPART
+
+
+#Sample use of serial line debugger
+#CPPFLAGS+= -DSUPPORT_SERIAL=CONSDEV_COM0KBD
+#	or
+CPPFLAGS+= -DSUPPORT_SERIAL=CONSDEV_AUTO -DDIRECT_SERIAL
+#	and maybe
+#CPPFLAGS+= -DDIRECT_SERIAL -DCOMCONS_KEYPRESS -DCONSPEED=57600
+CPPFLAGS+= -DPASS_BIOSGEOM
+#uncomment if there are problems with memory detection
+#CPPFLAGS+= -DCONSERVATIVE_MEMDETECT
+#increase MAXFLENTRIES if "installboot" complains about
+# "not enough fragment space in bootcode" (default: 10)
+#CPPFLAGS+= -DMAXFLENTRIES=15
+#set PRIM_LOADSZ to <=9 to make a 720k boot floppy (default: 15)
+#CPPFLAGS+= -DPRIM_LOADSZ=9
+
+#CFLAGS= -O2 -fomit-frame-pointer -fno-defer-pop
+CFLAGS+= -Wall
+
+# XXX should go into library
+SRCS+= ls.c
+.PATH: ${.CURDIR}/../libsa ${.CURDIR}/../biosboot
+
+SAMISCCPPFLAGS+= -DHEAP_START=0x10000 -DHEAP_LIMIT=0x40000
+SAMISCMAKEFLAGS= SA_USE_CREAD=yes SA_INCLUDE_NET=no
+
+.include "../Makefile.booters"