diff --git a/distrib/x68k/floppies/ramdisk.sysinst/Makefile b/distrib/x68k/floppies/ramdisk.sysinst/Makefile
index a449b07c5017..d666e28c4dfc 100644
--- a/distrib/x68k/floppies/ramdisk.sysinst/Makefile
+++ b/distrib/x68k/floppies/ramdisk.sysinst/Makefile
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.1 1999/12/05 15:53:10 minoura Exp $
+#	$NetBSD: Makefile,v 1.2 1999/12/05 16:26:39 minoura Exp $
 
 TOP=		${.CURDIR}/..
 WARNS=1
@@ -27,7 +27,7 @@ MTREE=		mtree.conf
 
 DISKTYPE=	floppy5
 
-all: ${CBIN} ${AUXDEPENDS} ${MTREE} ${LISTS}
+all: ${CBIN} ${AUXDEPENDS} ${MTREE} ${LISTS} xxboot
 	dd if=/dev/zero of=${IMAGE} count=2400
 	vnconfig -v -c ${VND_CDEV} ${IMAGE} 512/15/2/80
 	newfs -B be -m 0 -o space -i 5120 -c 80 ${VND_RDEV}
@@ -61,6 +61,10 @@ HACKSRC=${TOP}/../../utils/libhack
 # turn off small gethostby* temporarily
 HACKOBJS:= getcap.o getgrent.o getnet.o getnetgr.o getpwent.o setlocale.o yplib.o
 
+# Adjust the size of xxboot.
+xxboot:
+	dd if=${DESTDIR}/usr/mdec/sdboot of=${.TARGET} conv=sync
+
 # Used in building bootfloppy
 echoimage:
 	@echo ${.OBJDIR}/${IMAGE}
diff --git a/distrib/x68k/floppies/ramdisk.sysinst/installboot.sh b/distrib/x68k/floppies/ramdisk.sysinst/installboot.sh
new file mode 100644
index 000000000000..265e01425e95
--- /dev/null
+++ b/distrib/x68k/floppies/ramdisk.sysinst/installboot.sh
@@ -0,0 +1,15 @@
+#! /bin/sh
+#
+#	Special version of installboot for the installer
+#
+#	$NetBSD: installboot.sh,v 1.1 1999/12/05 16:26:40 minoura Exp $
+
+echo "WARNING: This version of $0 works only for sd's!"
+echo "WARNING: Also the boot block is specially prepared"
+echo "         to be as big just as 8192 byte."
+
+if [ "$1" = "-v" ]; then
+    shift
+fi
+echo dd if=$1 of=$2
+dd if=$1 of=$2
diff --git a/distrib/x68k/floppies/ramdisk.sysinst/list b/distrib/x68k/floppies/ramdisk.sysinst/list
index bd87da6e3798..342e5c11c3b8 100644
--- a/distrib/x68k/floppies/ramdisk.sysinst/list
+++ b/distrib/x68k/floppies/ramdisk.sysinst/list
@@ -1,4 +1,4 @@
-#	$NetBSD: list,v 1.1 1999/12/05 15:53:10 minoura Exp $
+#	$NetBSD: list,v 1.2 1999/12/05 16:26:40 minoura Exp $
 
 # Do this first to prevent file system full caused by huge db files.
 COPY	${CURDIR}/../../../../etc/master.passwd	etc/master.passwd
@@ -83,8 +83,9 @@ SPECIAL	cd dev; sh MAKEDEV ramdisk
 SPECIAL	/bin/rm dev/MAKEDEV
 
 # we need the boot blocks in /usr/mdec
-COPY	${DESTDIR}/usr/mdec/installboot	usr/mdec/installboot
-COPY	${DESTDIR}/usr/mdec/sdboot	usr/mdec/sdboot
+COPY	${CURDIR}/installboot.sh	usr/mdec/installboot
+SPECIAL /bin/chmod 555 usr/mdec/installboot
+COPY	${OBJDIR}/xxboot		usr/mdec/sdboot
 LINK	usr/mdec/sdboot			usr/mdec/fdboot
 COPY	${DESTDIR}/usr/mdec/mboot	usr/mdec/mboot