diff --git a/sys/conf/majors b/sys/conf/majors
index 7b56d1d9cdc4..12004ad851f3 100644
--- a/sys/conf/majors
+++ b/sys/conf/majors
@@ -1,4 +1,4 @@
-$Id: majors.i386,v 1.49 1998/09/15 10:01:14 gibbs Exp $
+$Id: majors.i386,v 1.50 1998/09/21 22:04:07 msmith Exp $
 
 Hopefully, this list will one day be obsoleted by DEVFS, but for now
 this is the current allocation of device major numbers.
@@ -149,3 +149,6 @@ chrdev	name		comments
 105	iic		I2C bus generic i/o
 106	smb		System Management Bus generic i/o
 107	3dfx		3Dfx driver (shocking@prth.pgs.com)
+108	id		Intelligent Disk [Array] (md@doc.ic.ac.uk)
+500	??		entries from 500-600 are reserved for local use
+600	??		entries from 500-600 are reserved for local use
diff --git a/sys/i386/conf/majors.i386 b/sys/i386/conf/majors.i386
index 7b56d1d9cdc4..12004ad851f3 100644
--- a/sys/i386/conf/majors.i386
+++ b/sys/i386/conf/majors.i386
@@ -1,4 +1,4 @@
-$Id: majors.i386,v 1.49 1998/09/15 10:01:14 gibbs Exp $
+$Id: majors.i386,v 1.50 1998/09/21 22:04:07 msmith Exp $
 
 Hopefully, this list will one day be obsoleted by DEVFS, but for now
 this is the current allocation of device major numbers.
@@ -149,3 +149,6 @@ chrdev	name		comments
 105	iic		I2C bus generic i/o
 106	smb		System Management Bus generic i/o
 107	3dfx		3Dfx driver (shocking@prth.pgs.com)
+108	id		Intelligent Disk [Array] (md@doc.ic.ac.uk)
+500	??		entries from 500-600 are reserved for local use
+600	??		entries from 500-600 are reserved for local use