diff --git a/distrib/sets/lists/minix/md.evbarm b/distrib/sets/lists/minix/md.evbarm
index 95360b4cb..0c38ead57 100644
--- a/distrib/sets/lists/minix/md.evbarm
+++ b/distrib/sets/lists/minix/md.evbarm
@@ -4,6 +4,8 @@
 ./boot/minix/.temp/mod10_vm		minix-sys
 ./boot/minix/.temp/mod11_pfs		minix-sys
 ./boot/minix/.temp/mod12_init		minix-sys
+./etc/rc.capes				minix-sys
+./etc/rc.capes/BB-BONE-WTHR-01		minix-sys
 ./etc/system.conf.d/lan8710a		minix-sys
 ./multiboot/mod07_log			minix-sys
 ./multiboot/mod08_tty			minix-sys
diff --git a/etc/Makefile b/etc/Makefile
index 0092b03c3..f070c3a3b 100644
--- a/etc/Makefile
+++ b/etc/Makefile
@@ -458,6 +458,11 @@ install-etc-files-safe: .PHONY .MAKE check_DESTDIR MAKEDEV
 	fi; \
 	${INSTALL_FILE} -o ${owner} -g ${group} -m ${mode} ${sdir}${files} ${tdir};
 .endfor
+.if ${MACHINE_ARCH} == "earm"
+	${_MKMSG_INSTALL} ${DESTDIR}/etc/rc.capes
+	${INSTALL_DIR} ${DESTDIR}/etc/rc.capes
+	${INSTALL_FILE} -m ${BINMODE} -o ${BINOWN} -g ${BINGRP} ${NETBSDSRCDIR}/etc/rc.capes/* ${DESTDIR}/etc/rc.capes
+.endif # Minix/earm specific
 .for subdir in . defaults mtree
 	${MAKEDIRTARGET} ${subdir} configinstall
 .endfor
diff --git a/etc/rc.capes/BB-BONE-WTHR-01 b/etc/rc.capes/BB-BONE-WTHR-01
new file mode 100644
index 000000000..a8c58f790
--- /dev/null
+++ b/etc/rc.capes/BB-BONE-WTHR-01
@@ -0,0 +1,19 @@
+#!/bin/sh
+#
+# Start-up script for the BeagleBone Weather cape.
+
+# TSL2550 Ambient Light Sensor
+test -e /dev/tsl2550b3s39 || (cd /dev && MAKEDEV tsl2550b3s39)
+/bin/service up /usr/sbin/tsl2550 -dev /dev/tsl2550b3s39 \
+	-label tsl2550.3.39 -args 'bus=3 address=0x39' && echo -n " tsl2550"
+
+# SHT21 Temperature and Humidity Sensor
+test -e /dev/sht21b3s40 || (cd /dev && MAKEDEV sht21b3s40)
+/bin/service up /usr/sbin/sht21 -dev /dev/sht21b3s40 \
+	-label sht21.3.40 -args 'bus=3 address=0x40' && echo -n " sht21"
+
+# BMP085 Temperature and Pressure Sensor
+test -e /dev/bmp085b3s77 || (cd /dev && MAKEDEV bmp085b3s77)
+/bin/service up /usr/sbin/bmp085 -dev /dev/bmp085b3s77 \
+	-label bmp085.3.77 -args 'bus=3 address=0x77' && echo -n " bmp085"
+
diff --git a/etc/usr/rc b/etc/usr/rc
index 7dfb42ffd..51f802a98 100644
--- a/etc/usr/rc
+++ b/etc/usr/rc
@@ -112,6 +112,49 @@ get_eth_labels() {
     grep -v '^vlan_'
 }
 
+# Detect expansion boards on the BeagleBone and load the proper drivers.
+capemgr() {
+
+    # Probe each possible cape EEPROM slave address for a BeagleBone cape.
+    for slave_addr in 54 55 56 57
+    do
+
+        # See if there is a readable EEPROM with address ${slave_addr}.
+        eepromread -f /dev/i2c-3 -a 0x${slave_addr} > /dev/null 2>&1
+        RESULT=$?
+	if [ $RESULT -eq 0 ]
+	then
+
+	    # Found an alive EEPROM. Try reading the cape name.
+            CAPE=`eepromread -i -f /dev/i2c-3 -a 0x${slave_addr} | \
+	        sed -n 's/^PART_NUMBER     : \(.*\)$/\1/p' | \
+		sed -e 's/\.*$//g'` # Strip trailing periods.
+
+	    # Look for a cape specific RC script.
+            if [ -x /etc/rc.capes/${CAPE} ]
+	    then
+
+	        # CAT24C256 EEPROM -- all capes have this chip.
+		test -e /dev/eepromb3s${slave_addr} || \
+		    (cd /dev && MAKEDEV eepromb3s${slave_addr})
+		up cat24c256 -dev /dev/eepromb3s${slave_addr} \
+		    -label cat24c256.3.${slave_addr} \
+		    -args "bus=3 address=0x${slave_addr}"
+
+                # Load the drivers for the cape and do any other configuration.
+		. "/etc/rc.capes/${CAPE}"
+
+	    else
+
+		echo ""
+	        echo "** UNSUPPORTED CAPE: ${CAPE}"
+		echo ""
+
+	    fi
+	fi
+    done
+}
+
 DAEMONS=/etc/rc.daemons
 
 case $action in
@@ -230,6 +273,9 @@ start)
 				# fb hasn't been ported to AM335X yet.
 			fi
 
+			# Detect expansion boards and start drivers.
+			capemgr
+
 			;;
 
 		A335BNLT)
@@ -255,6 +301,9 @@ start)
 			#up fb -dev /dev/fb0 -args edid.0=tda19988.1.3470
 			# fb hasn't been ported to AM335X yet.
 
+			# Detect expansion boards and start drivers.
+			capemgr
+
 			;;
 
 		UNKNOWN)