diff --git a/etc/etc.sparc/MAKEDEV b/etc/etc.sparc/MAKEDEV
index 642f36a1aac7..92c08191b731 100644
--- a/etc/etc.sparc/MAKEDEV
+++ b/etc/etc.sparc/MAKEDEV
@@ -60,9 +60,11 @@
 #	cgfour*
 #	cgsix*
 #	cgeight*
+#	tcx*
 #	bpf*	packet filter
 #	lkm	loadable kernel modules interface
 #	tun*	network tunnel driver
+#	rd*	memory disk driver
 
 PATH=/sbin:/bin/:/usr/bin:/usr/sbin:/usr/etc
 umask 77
@@ -133,6 +135,10 @@ cgeight*)
 	mknod cgeight$unit	c 64 $unit; chmod 666 cgeight$unit
 	;;
 
+tcx*)
+	mknod tcx$unit		c 109 $unit; chmod 666 tcx$unit
+	;;
+
 audio)
 	mknod audio		c 69 0; chmod 666 audio
 	;;
@@ -155,6 +161,13 @@ tun*)
 	chown root.wheel tun$unit
 	;;
 
+rd*)
+	rm -f rd$unit
+	mknod rd$unit b 5 $unit
+	chown root.operator rd$unit
+	chmod 640 rd$unit
+	;;
+
 ccd*|fd*|sd*|xd*|xy*|cd*|vnd*)
 	umask 2
 	case $i in