diff --git a/src/etc/etc.sgi/MAKEDEV b/src/etc/etc.sgi/MAKEDEV
index 8371ce6c..7dd23900 100644
--- a/src/etc/etc.sgi/MAKEDEV
+++ b/src/etc/etc.sgi/MAKEDEV
@@ -3,7 +3,7 @@
 # THIS FILE AUTOMATICALLY GENERATED.  DO NOT EDIT.
 # generated from:
 #
-#	OpenBSD: etc.sgi/MAKEDEV.md,v 1.35 2011/10/22 19:31:23 miod Exp 
+#	OpenBSD: etc.sgi/MAKEDEV.md,v 1.36 2012/03/28 20:44:23 miod Exp 
 #	OpenBSD: MAKEDEV.common,v 1.58 2011/10/22 19:31:20 miod Exp 
 #	OpenBSD: MAKEDEV.mi,v 1.80 2011/04/18 16:52:10 thib Exp 
 #	OpenBSD: MAKEDEV.sub,v 1.14 2005/02/07 06:14:18 david Exp 
@@ -40,6 +40,7 @@
 #	st*	SCSI tape drives
 # Terminal ports:
 #	tty[0-7][0-9a-f]	NS16x50 serial ports
+#	tty[a-b]*	Zilog 8530 serial port
 # Pseudo terminals:
 #	ptm	pty master device
 #	pty*	Set of 62 master pseudo terminals
@@ -411,6 +412,17 @@ ptm)
 	M ptm c 52 0 666
 	;;
 
+tty[a-b])
+	u=${i#tty*}
+	case $u in
+	a) n=0 ;;
+	b) n=1 ;;
+	*) echo unknown tty device $i ;;
+	esac
+	M tty$u c 19 $n 660 dialer uucp
+	M cua$u c 19 $(($n+128)) 660 dialer uucp
+	;;
+
 tty[0-7][0-9a-f])
 	U=${i#tty*}
 	o=$(h2d $U)
@@ -454,13 +466,13 @@ ramdisk)
 	;;
 
 all)
-	R vnd0 vnd1 vnd2 vnd3 sd0 sd1 sd2 sd3 sd4 sd5 sd6 sd7 sd8 sd9
-	R cd0 cd1 rd0 tun0 tun1 tun2 tun3 bio bpf0 bpf1 bpf2 bpf3 bpf4
-	R bpf5 bpf6 bpf7 bpf8 bpf9 pty0 pty1 pty2 diskmap vscsi0
-	R nnpfs0 ch0 audio0 audio1 audio2 hotplug ptm local wscons
-	R pci0 pci1 pci2 pci3 uall video0 video1 uk0 random tty00
-	R tty01 tty02 tty03 crypto pf systrace wd0 wd1 wd2 wd3 std st0
-	R st1 fd
+	R ttya ttyb vnd0 vnd1 vnd2 vnd3 sd0 sd1 sd2 sd3 sd4 sd5 sd6
+	R sd7 sd8 sd9 cd0 cd1 rd0 tun0 tun1 tun2 tun3 bio bpf0 bpf1
+	R bpf2 bpf3 bpf4 bpf5 bpf6 bpf7 bpf8 bpf9 pty0 pty1 pty2
+	R diskmap vscsi0 nnpfs0 ch0 audio0 audio1 audio2 hotplug ptm
+	R local wscons pci0 pci1 pci2 pci3 uall video0 video1 uk0
+	R random tty00 tty01 tty02 tty03 crypto pf systrace wd0 wd1
+	R wd2 wd3 std st0 st1 fd
 	;;
 
 wd*|sd*)