diff --git a/distrib/pmax/Makefile b/distrib/pmax/Makefile
new file mode 100644
index 000000000000..3c887c12c30e
--- /dev/null
+++ b/distrib/pmax/Makefile
@@ -0,0 +1,5 @@
+#	$NetBSD: Makefile.inc,v 1.1 1998/12/05 06:42:55 jonathan Exp 
+
+SUBDIR=	ramdisk instkernel
+
+.include <bsd.subdir.mk>
diff --git a/distrib/pmax/instkernel/Makefile b/distrib/pmax/instkernel/Makefile
new file mode 100644
index 000000000000..301c8d9ff5f3
--- /dev/null
+++ b/distrib/pmax/instkernel/Makefile
@@ -0,0 +1,27 @@
+#	$NetBSD: Makefile,v 1.1 1998/12/05 07:33:13 jonathan Exp $
+
+
+KERN=	${.CURDIR}/../../../sys/arch/pmax/compile/RAMDISK/netbsd
+RAMDISK!=cd ${.CURDIR}/../ramdisk; \
+	printf "xxx: .MAKE\n\t@echo \$${.OBJDIR}/ramdisk.fs\n" | \
+	${MAKE} -s -f-
+CLEANFILES= netbsd.tmp netbsd.ecoff netbsd.ecoff.gz \
+	    netbsd.aout netbsd.aout.gz
+
+all:	netbsd.ram.gz
+
+netbsd.ram.gz: ${KERN} ${RAMDISK}
+	cp ${KERN} netbsd.tmp
+	mdsetimage -v netbsd.tmp ${RAMDISK}
+	elf2ecoff netbsd.tmp netbsd.ecoff
+	rm -f netbsd.ecoff.gz
+	gzip netbsd.ecoff
+	elf2aout netbsd.tmp netbsd.aout
+	rm -f netbsd.aout.gz
+	gzip netbsd.aout
+
+clean cleandir distclean:
+	rm -f ${CLEANFILES}
+
+.include <bsd.own.mk>
+.include <bsd.obj.mk>