diff --git a/etc/drivers.conf b/etc/drivers.conf
index ced6186f4..382099585 100644
--- a/etc/drivers.conf
+++ b/etc/drivers.conf
@@ -192,6 +192,9 @@ driver is
 		PROFBUF		# 38
 		SYSCTL
 	;
+	vm
+		CTL
+	;
 	uid 0;
 };
 
@@ -246,6 +249,23 @@ driver at_wini
 	;
 };
 
+driver bios_wini
+{
+	system
+		UMAP		# 14
+		SETALARM	# 24
+		TIMES		# 25
+		GETINFO		# 26
+		SAFECOPYFROM	# 31
+		SAFECOPYTO	# 32
+		SETGRANT	# 34
+		READBIOS	# 35
+		PROFBUF		# 38
+		SYSCTL
+		INT86
+	;
+};
+
 driver mfs
 {
 	system
@@ -354,3 +374,34 @@ driver amddev
 	;
 	uid	0;
 };
+
+driver ipc
+{
+	system
+		UMAP
+		PROFBUF
+		SAFECOPYFROM
+		SAFECOPYTO
+		VIRCOPY
+		SETGRANT
+		SYSCTL
+		;
+	uid     0;
+	ipc
+		SYSTEM
+		PM
+		RS
+		LOG
+		TTY
+		DS
+		VM
+		;
+	vm
+		REMAP
+		UNREMAP
+		GETPHYS
+		GETREFCNT
+		QUERYEXIT
+		;
+};
+
diff --git a/etc/usr/rc b/etc/usr/rc
index e9f52a966..390d3f06e 100644
--- a/etc/usr/rc
+++ b/etc/usr/rc
@@ -102,6 +102,7 @@ start)
     done
     up inet -script /etc/rs.inet
     up printer -dev /dev/lp -period 10HZ
+    up ipc
     echo .
 
     # Network initialization.