diff --git a/src/etc/Makefile b/src/etc/Makefile
index f94859e4..c6af883b 100644
--- a/src/etc/Makefile
+++ b/src/etc/Makefile
@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.57 1997/05/16 18:02:22 deraadt Exp $
+#	$OpenBSD: Makefile,v 1.58 1997/05/18 13:42:36 pefo Exp $
 
 TZDIR=		/usr/share/zoneinfo
 LOCALTIME=	US/Pacific
@@ -45,7 +45,7 @@ GZIPEXT=
 all clean cleandir depend etc install lint:
 
 .ifndef DESTDIR
-distribution-etc-root-var distribution distrib-dirs snapshot:
+distribution-etc-root-var distribution distrib-dirs release snapshot:
 	@echo setenv DESTDIR before doing that!
 	@false
 .else
@@ -154,6 +154,10 @@ distribution-etc-root-var: distrib-dirs
 .if (${MACHINE_ARCH} == "mips")
 	(cd etc.${MACHINE}; ${INSTALL} -c -o ${BINOWN} -g ${BINGRP} -m 444 \
 	    ld.so.conf ${DESTDIR}/etc)
+.endif
+.if ${MACHINE} == "arc"
+	(cd etc.${MACHINE}; ${INSTALL} -c -o ${BINOWN} -g ${BINGRP} -m 444 \
+	    mbr msdos5mb.gz ${DESTDIR}/usr/mdec)
 .endif
 	(cd ${DESTDIR}/dev; ./MAKEDEV all)
 .if ${MACHINE} == "vax"
diff --git a/src/etc/etc.arc/MAKEDEV b/src/etc/etc.arc/MAKEDEV
index addf9ce2..0b35eb3b 100644
--- a/src/etc/etc.arc/MAKEDEV
+++ b/src/etc/etc.arc/MAKEDEV
@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$OpenBSD: MAKEDEV,v 1.17 1997/05/14 18:31:15 niklas Exp $
+#	$OpenBSD: MAKEDEV,v 1.18 1997/05/18 13:42:37 pefo Exp $
 #	@(#)MAKEDEV	8.1 (Berkeley) 6/9/93
 #
 
@@ -73,6 +73,11 @@ all)
 	sh MAKEDEV ttyC0 lpt0 pms0 random bpf0 local
 	;;
 
+ramdisk)
+	sh MAKEDEV std fd0 wd0 wd1 wd2 wd3 sd0 sd1 sd2 st0 acd0 cd0 
+	sh MAKEDEV tty00 tty01 ttyC0 lpt0 random rd0
+	;;
+
 std)
 	mknod console		c 0 0
 	mknod drum		c 1 0	; chmod 640 drum ; chown root.kmem drum
@@ -160,7 +165,17 @@ bpf*|tun*)
 	chown root.wheel $name$unit
 	;;
 
-#	;;
+rd*)
+	umask 2 ; unit=`expr $i : '.*d\(.*\)'`
+	mknod rd${unit}a b 8 `expr $unit '*' 16 + 0`
+	mknod rd${unit}c b 8 `expr $unit '*' 16 + 2`
+	mknod rrd${unit}a c 22 `expr $unit '*' 16 + 0`
+	mknod rrd${unit}c c 22 `expr $unit '*' 16 + 2`
+	chown root.operator rd${unit}[ac] rrd${unit}[ac]
+	chmod 640 rd${unit}[ac] rrd${unit}[ac]
+	umask 77
+	;;
+
 #lkm)
 #	rm -f lkm
 #	mknod lkm c 112 0
diff --git a/src/etc/etc.arc/Makefile.inc b/src/etc/etc.arc/Makefile.inc
index 19b45e91..39bd6700 100644
--- a/src/etc/etc.arc/Makefile.inc
+++ b/src/etc/etc.arc/Makefile.inc
@@ -1,10 +1,10 @@
-#	$OpenBSD: Makefile.inc,v 1.2 1997/02/09 08:50:15 deraadt Exp $
+#	$OpenBSD: Makefile.inc,v 1.3 1997/05/18 13:42:37 pefo Exp $
 #
 #	etc.arc/Makefile.inc -- arc-specific etc Makefile targets
 
 .ifdef DESTDIR
 
-snap_md: binutils bsd
+snap_md: binutils bsd ramdisk
 
 binutils:
 	cd ${DESTDIR} && tar cf - usr/*openbsd* \
@@ -19,4 +19,8 @@ bsd:
 	cp ${.CURDIR}/../sys/arch/arc/compile/GENERIC/bsd.ecoff \
 	    ${DESTDIR}/snapshot/bsd.ecoff
 
+ramdisk:
+	cd ${.CURDIR}/../distrib/arc/ramdisk && make cleandir && \
+	    make && make install
+
 .endif
diff --git a/src/etc/etc.arc/disktab b/src/etc/etc.arc/disktab
index dedb9a90..1d6d5701 100644
--- a/src/etc/etc.arc/disktab
+++ b/src/etc/etc.arc/disktab
@@ -29,9 +29,9 @@
 #
 
 rdroot|ramdiskroot|RAM-disk root FS image:\
-	:ty=simulated:se#512:nc#16:nt#2:ns#128:\
-	:ta=4.2BSD:oa#0:pa#4046:fa#512:ba#4096:\
-	:ob#0:pb#0:oc#0:pc#4096:
+	:ty=simulated:se#512:nc#20:nt#5:ns#200:\
+	:ta=4.2BSD:oa#0:pa#20000:fa#1024:ba#4096:\
+	:ob#0:pb#0:oc#0:pc#20000:
 	
 # Seagate ST31200N
 ST31200N-MBR:\
diff --git a/src/etc/etc.arc/mbr b/src/etc/etc.arc/mbr
new file mode 100644
index 00000000..5c3d71a2
Binary files /dev/null and b/src/etc/etc.arc/mbr differ
diff --git a/src/etc/etc.arc/msdos5mb.gz b/src/etc/etc.arc/msdos5mb.gz
new file mode 100644
index 00000000..6508b105
Binary files /dev/null and b/src/etc/etc.arc/msdos5mb.gz differ