diff --git a/scripts/process-archive.sh b/scripts/process-archive.sh
index 12ba1b5a..21486755 100755
--- a/scripts/process-archive.sh
+++ b/scripts/process-archive.sh
@@ -1,7 +1,12 @@
 #!/bin/bash
 
-# XXX get this from /proc/cpuinfo...
-THREADS=6
+# SPU threads to keep free...
+KEEP_FREE=2
+
+THREADS=`cat /proc/cpuinfo | awk '/^processor/{print $3}' | wc -l`
+if [ $KEEP_FREE ] ; then
+	THREADS=$((THREADS - KEEP_FREE))
+fi
 
 # TODO make this runnable from anywhere...
 #	- prepend paths with './' only if local/relative
diff --git a/ui (gen4)/archive/media/img/my/work/process-archive.sh b/ui (gen4)/archive/media/img/my/work/process-archive.sh
index 12ba1b5a..21486755 100755
--- a/ui (gen4)/archive/media/img/my/work/process-archive.sh	
+++ b/ui (gen4)/archive/media/img/my/work/process-archive.sh	
@@ -1,7 +1,12 @@
 #!/bin/bash
 
-# XXX get this from /proc/cpuinfo...
-THREADS=6
+# SPU threads to keep free...
+KEEP_FREE=2
+
+THREADS=`cat /proc/cpuinfo | awk '/^processor/{print $3}' | wc -l`
+if [ $KEEP_FREE ] ; then
+	THREADS=$((THREADS - KEEP_FREE))
+fi
 
 # TODO make this runnable from anywhere...
 #	- prepend paths with './' only if local/relative