diff --git a/src/etc/etc.alpha/MAKEDEV.md b/src/etc/etc.alpha/MAKEDEV.md
index 8831051e..bf914203 100644
--- a/src/etc/etc.alpha/MAKEDEV.md
+++ b/src/etc/etc.alpha/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.30 2006/04/16 11:34:01 todd Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.31 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -61,6 +61,7 @@ _DEV(ulpt, 47)
 _DEV(usb, 45)
 _TITLE(spec)
 _DEV(au, 24)
+_DEV(bio, 44)
 _DEV(bktr, 58)
 _DEV(bpf, 11)
 _DEV(cry, 57)
@@ -105,6 +106,7 @@ ttyB*|ttyc*)
 dnl
 dnl *** alpha specific targets
 dnl
+target(all, bio)dnl
 target(all, ch, 0)dnl
 target(all, ss, 0, 1)dnl
 target(all, xfs, 0)dnl
diff --git a/src/etc/etc.armish/MAKEDEV.md b/src/etc/etc.armish/MAKEDEV.md
index 3edca7e6..86796952 100644
--- a/src/etc/etc.armish/MAKEDEV.md
+++ b/src/etc/etc.armish/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.2 2006/07/28 17:37:09 kettenis Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.3 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2004 Todd T. Fries <todd@OpenBSD.org>
@@ -68,6 +68,7 @@ _DEV(uscan, 69)
 _TITLE(spec)
 _DEV(apm, 34)
 _DEV(au, 36)
+_DEV(bio, 52)
 _DEV(hotplug, 37)
 _DEV(bktr, 75)
 _DEV(bpf, 22)
@@ -105,6 +106,7 @@ twrget(all, flo, fd, 0, 0B, 0C, 0D, 0E, 0F, 0G, 0H)dnl
 twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, xy, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
diff --git a/src/etc/etc.aviion/MAKEDEV.md b/src/etc/etc.aviion/MAKEDEV.md
index 83a8cd77..393f962b 100644
--- a/src/etc/etc.aviion/MAKEDEV.md
+++ b/src/etc/etc.aviion/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.1 2006/05/09 21:17:13 miod Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.2 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -49,6 +49,7 @@ target(all, ss, 0)dnl
 target(all, xfs, 0)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
 target(all, cd, 0, 1)dnl
@@ -84,6 +85,7 @@ _DEV(ptm, 52)
 _DEV(pty, 5)
 _DEV(tty, 4)
 _TITLE(spec)
+_DEV(bio, 7)
 _DEV(bpf, 22)
 _DEV(fdesc, 21)
 _DEV(lkm, 24)
diff --git a/src/etc/etc.cats/MAKEDEV.md b/src/etc/etc.cats/MAKEDEV.md
index 57e35eb2..57d8f128 100644
--- a/src/etc/etc.cats/MAKEDEV.md
+++ b/src/etc/etc.cats/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.15 2006/07/28 17:37:10 kettenis Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.16 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -66,6 +66,7 @@ _DEV(usb, 64)
 _DEV(uscan, 69)
 _TITLE(spec)
 _DEV(au, 36)
+_DEV(bio, 52)
 _DEV(bktr, 75)
 _DEV(bpf, 22)
 _DEV(cry, 47)
@@ -99,6 +100,7 @@ twrget(all, flo, fd, 0, 0B, 0C, 0D, 0E, 0F, 0G, 0H)dnl
 twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, xy, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
diff --git a/src/etc/etc.hp300/MAKEDEV.md b/src/etc/etc.hp300/MAKEDEV.md
index 780d9fdb..ee80c6ff 100644
--- a/src/etc/etc.hp300/MAKEDEV.md
+++ b/src/etc/etc.hp300/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.27 2006/04/16 02:49:52 todd Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.28 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -79,6 +79,7 @@ _DEV(wsmouse, 42)
 _TITLE(prn)
 _DEV(ppi, 11)
 _TITLE(spec)
+_DEV(bio, 10)
 _DEV(bpf, 22)
 _DEV(fdesc, 21)
 _DEV(lkm, 24)
@@ -170,6 +171,7 @@ twrget(all, flo, fd, 0, 0B, 0C, 0D, 0E, 0F, 0G, 0H)dnl
 twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, xy, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
diff --git a/src/etc/etc.hppa/MAKEDEV.md b/src/etc/etc.hppa/MAKEDEV.md
index 9f87d1a4..dfeeff0f 100644
--- a/src/etc/etc.hppa/MAKEDEV.md
+++ b/src/etc/etc.hppa/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.27 2006/04/16 02:49:52 todd Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.28 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -59,6 +59,7 @@ _DEV(urio, 44)
 _DEV(ttyU, 45)
 _DEV(uscan, 46)
 _TITLE(spec)
+_DEV(bio, 37)
 _DEV(au, 35)
 _DEV(bpf, 17)
 _DEV(cry, 36)
@@ -89,12 +90,14 @@ dnl
 dnl *** hppa specific devices
 dnl
 target(all, ch, 0)dnl
+target(all, bio)dnl
 target(all, ss, 0, 1)dnl
 target(all, xfs, 0)dnl
 twrget(all, flo, fd, 0, 0B, 0C, 0D, 0E, 0F, 0G, 0H)dnl
 twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, xy, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
diff --git a/src/etc/etc.hppa64/MAKEDEV.md b/src/etc/etc.hppa64/MAKEDEV.md
index 8e211649..fedac65b 100644
--- a/src/etc/etc.hppa64/MAKEDEV.md
+++ b/src/etc/etc.hppa64/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.4 2006/04/16 02:49:52 todd Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.5 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -51,6 +51,7 @@ _TITLE(prn)
 _DEV(lpt, 26)
 _TITLE(spec)
 _DEV(au, 35)
+_DEV(bio, 37)
 _DEV(bpf, 17)
 _DEV(cry, 36)
 _DEV(fdesc, 16)
@@ -85,6 +86,7 @@ twrget(all, flo, fd, 0, 0B, 0C, 0D, 0E, 0F, 0G, 0H)dnl
 twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, xy, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
diff --git a/src/etc/etc.landisk/MAKEDEV.md b/src/etc/etc.landisk/MAKEDEV.md
index 68da1457..2cebd77c 100644
--- a/src/etc/etc.landisk/MAKEDEV.md
+++ b/src/etc/etc.landisk/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.4 2007/01/05 20:06:24 drahn Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.5 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2004 Todd T. Fries <todd@OpenBSD.org>
@@ -72,6 +72,7 @@ _DEV(uscan, 69)
 _TITLE(spec)
 dnl _DEV(apm, 34)
 _DEV(au, 36)
+_DEV(bio, 37)
 _DEV(hotplug, 37)
 dnl _DEV(bktr, 75)
 _DEV(bpf, 22)
@@ -110,6 +111,7 @@ twrget(all, flo, fd, 0, 0B, 0C, 0D, 0E, 0F, 0G, 0H)dnl
 twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, xy, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
diff --git a/src/etc/etc.luna88k/MAKEDEV.md b/src/etc/etc.luna88k/MAKEDEV.md
index 93ee7586..d83b32aa 100644
--- a/src/etc/etc.luna88k/MAKEDEV.md
+++ b/src/etc/etc.luna88k/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.4 2007/02/13 19:22:29 miod Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.5 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -39,6 +39,7 @@ target(all, ss, 0)dnl
 target(all, xfs, 0)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
 target(all, cd, 0, 1)dnl
@@ -82,6 +83,7 @@ _DEV(wsmux, 16)
 _TITLE(point)
 _DEV(wsmouse, 15)
 _TITLE(spec)
+_DEV(bio, 7)
 _DEV(bpf, 22)
 _DEV(fdesc, 21)
 _DEV(lcd, 10)
diff --git a/src/etc/etc.mac68k/MAKEDEV.md b/src/etc/etc.mac68k/MAKEDEV.md
index 416d986f..580b833f 100644
--- a/src/etc/etc.mac68k/MAKEDEV.md
+++ b/src/etc/etc.mac68k/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.22 2006/04/16 02:49:52 todd Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.23 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -51,6 +51,7 @@ _TITLE(point)
 _DEV(wsmouse, 40)
 _TITLE(spec)
 _DEV(asc, 36)
+_DEV(bio, 7)
 _DEV(bpf, 22)
 _DEV(fdesc, 21)
 _DEV(lkm, 25)
@@ -95,6 +96,7 @@ asc*)
 dnl
 dnl *** mac68k specific targets
 dnl
+target(all, bio)dnl
 target(all, sd, 0, 1, 2, 3, 4)dnl
 target(all, vnd, 0, 1, 2, 3)dnl
 target(all, ch, 0)dnl
diff --git a/src/etc/etc.mvme68k/MAKEDEV.md b/src/etc/etc.mvme68k/MAKEDEV.md
index d52ef402..7575cd82 100644
--- a/src/etc/etc.mvme68k/MAKEDEV.md
+++ b/src/etc/etc.mvme68k/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.16 2006/04/16 02:49:52 todd Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.17 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -99,6 +99,7 @@ target(all, ss, 0, 1)dnl
 target(all, xfs, 0)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
 target(all, cd, 0, 1)dnl
@@ -143,6 +144,7 @@ _DEV(tty, 4)
 _TITLE(prn)
 _DEV(lp, 28)
 _TITLE(spec)
+_DEV(bio, 14)
 _DEV(bpf, 22)
 _DEV(fdesc, 21)
 _DEV(flash, 11)
diff --git a/src/etc/etc.mvme88k/MAKEDEV.md b/src/etc/etc.mvme88k/MAKEDEV.md
index 25aff38e..6ac580ad 100644
--- a/src/etc/etc.mvme88k/MAKEDEV.md
+++ b/src/etc/etc.mvme88k/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.16 2006/04/16 02:49:52 todd Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.17 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -75,6 +75,7 @@ target(all, ss, 0)dnl
 target(all, xfs, 0)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
 target(all, cd, 0, 1)dnl
@@ -115,6 +116,7 @@ _DEV(ptm, 52)
 _DEV(pty, 5)
 _DEV(tty, 4)
 _TITLE(spec)
+_DEV(bio, 14)
 _DEV(bpf, 22)
 _DEV(fdesc, 21)
 _DEV(lkm, 24)
diff --git a/src/etc/etc.mvmeppc/MAKEDEV.md b/src/etc/etc.mvmeppc/MAKEDEV.md
index ed48e823..86083efd 100644
--- a/src/etc/etc.mvmeppc/MAKEDEV.md
+++ b/src/etc/etc.mvmeppc/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.22 2006/04/16 11:34:02 todd Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.23 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -47,6 +47,7 @@ _TITLE(point)
 _DEV(wsmouse, 69)
 _TITLE(spec)
 _DEV(au)
+_DEV(bio, 12)
 _DEV(bpf)
 _DEV(fdesc, 21)
 _DEV(lkm)
@@ -507,6 +508,7 @@ twrget(all, flo, fd, 0, 0B, 0C, 0D, 0E, 0F, 0G, 0H)dnl
 twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, xy, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
diff --git a/src/etc/etc.sgi/MAKEDEV.md b/src/etc/etc.sgi/MAKEDEV.md
index 6e849db6..b7c7165c 100644
--- a/src/etc/etc.sgi/MAKEDEV.md
+++ b/src/etc/etc.sgi/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.12 2006/04/16 11:34:02 todd Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.13 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -55,6 +55,7 @@ _TITLE(point)
 _DEV(wsmouse, 27)
 _TITLE(spec)
 _DEV(au, 44)
+_DEV(bio, 14)
 _DEV(bpf, 12)
 _DEV(cry, 47)
 _DEV(fdesc, 7)
@@ -82,6 +83,7 @@ dnl twrget(all, flo, fd, 0, 0B, 0C, 0D, 0E, 0F, 0G, 0H)dnl
 dnl twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0, 1, 2)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, xy, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
diff --git a/src/etc/etc.sparc/MAKEDEV.md b/src/etc/etc.sparc/MAKEDEV.md
index 44d189b7..6e70028e 100644
--- a/src/etc/etc.sparc/MAKEDEV.md
+++ b/src/etc/etc.sparc/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.31 2006/08/28 21:04:04 tsi Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.32 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -93,6 +93,7 @@ _DEV(wsmouse, 80)
 _TITLE(spec)
 _DEV(apm, 30)
 _DEV(au, 69)
+_DEV(bio, 4)
 _DEV(bpf, 105)
 _DEV(fdesc, 24)
 _DEV(lkm, 112)
@@ -121,6 +122,7 @@ dnl *** some sparc-specific targets
 dnl
 twrget(all, s64_tzs, tty, a, b, c, d)dnl
 twrget(all, s64_czs, cua, a, b, c, d)dnl
+target(all, bio)dnl
 target(all, ch, 0)dnl
 target(all, ss, 0, 1)dnl
 target(all, xfs, 0)dnl
diff --git a/src/etc/etc.sparc64/MAKEDEV.md b/src/etc/etc.sparc64/MAKEDEV.md
index 35478394..6c806dd0 100644
--- a/src/etc/etc.sparc64/MAKEDEV.md
+++ b/src/etc/etc.sparc64/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.41 2006/08/28 21:04:04 tsi Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.42 2007/05/26 19:54:23 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -93,6 +93,7 @@ _DEV(usb, 90)
 _DEV(uscan, 96)
 _TITLE(spec)
 _DEV(au, 69)
+_DEV(bio, 4)
 _DEV(bpf, 105)
 _DEV(cry, 75)
 _DEV(fdesc, 24)
@@ -138,6 +139,7 @@ twrget(all, flo, fd, 0, 0B, 0C, 0D, 0E, 0F, 0G, 0H)dnl
 twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, xy, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl
diff --git a/src/etc/etc.vax/MAKEDEV.md b/src/etc/etc.vax/MAKEDEV.md
index cdbd8f7d..d4f1d531 100644
--- a/src/etc/etc.vax/MAKEDEV.md
+++ b/src/etc/etc.vax/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.28 2007/04/04 17:20:17 todd Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.29 2007/05/26 19:54:24 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -128,6 +128,7 @@ _DEV(wskbd, 69)
 _TITLE(point)
 _DEV(wsmouse, 70)
 _TITLE(spec)
+_DEV(bio, 5)
 _DEV(bpf, 56)
 _DEV(fdesc, 53)
 _DEV(lkm, 28)
@@ -206,6 +207,7 @@ target(all, ss, 0)dnl
 dnl target(all, xfs, 0)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1)dnl
 dnl target(all, xy, 0, 1, 2, 3)dnl
 dnl target(all, hk, 0, 1, 2, 3)dnl
diff --git a/src/etc/etc.zaurus/MAKEDEV.md b/src/etc/etc.zaurus/MAKEDEV.md
index 1ddf4abe..c41bbc21 100644
--- a/src/etc/etc.zaurus/MAKEDEV.md
+++ b/src/etc/etc.zaurus/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.9 2006/07/25 20:22:27 kettenis Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.10 2007/05/26 19:54:24 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2004 Todd T. Fries <todd@OpenBSD.org>
@@ -69,6 +69,7 @@ _TITLE(spec)
 _DEV(apm, 34)
 _DEV(au, 36)
 _DEV(hotplug, 37)
+_DEV(bio, 52)
 _DEV(bktr, 75)
 _DEV(bpf, 22)
 _DEV(cry, 47)
@@ -99,6 +100,7 @@ dnl
 target(all, ch, 0)dnl
 target(all, ss, 0, 1)dnl
 target(all, xfs, 0)dnl
+target(all, bio)dnl
 twrget(all, flo, fd, 0, 0B, 0C, 0D, 0E, 0F, 0G, 0H)dnl
 twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0)dnl