diff --git a/commands/scripts/setup.sh b/commands/scripts/setup.sh
index 363cb8bfb..97a6f04ee 100755
--- a/commands/scripts/setup.sh
+++ b/commands/scripts/setup.sh
@@ -364,6 +364,9 @@ if [ $cache -eq 0 ]; then cache=; else cache="ramsize=$cache"; fi
 					# Make bootable.
 installboot -d /dev/$root /usr/mdec/bootblock /boot/boot >/dev/null || exit
 edparams /dev/$root "rootdev=$root; ramimagedev=$root; $cache; save" || exit
+pfile="/usr/src/tools/fdbootparams"
+echo "Remembering boot parameters in ${pfile}."
+echo "rootdev=$root; ramimagedev=$root; $cache; save" >$pfile || exit
 sync
 
 echo "