diff --git a/html/includes/graphs/processor.inc.php b/html/includes/graphs/processor.inc.php
index f3090e1f4f..134096b2d4 100755
--- a/html/includes/graphs/processor.inc.php
+++ b/html/includes/graphs/processor.inc.php
@@ -17,6 +17,12 @@ include("common.inc.php");
     $descr = str_replace(":", "\:", $descr);
     $rrd  = $config['rrd_dir'] . "/".$proc['hostname']."/" . safename("processor-" . $proc['processor_type'] . "-" . $proc['processor_index'] . ".rrd");
     $rrd_options .= " DEF:proc" . $proc['hrDeviceIndex'] . "=$rrd:usage:AVERAGE ";
+    $rrd_options .= " DEF:proc_max=$rrd:usage:MAX";
+    $rrd_options .= " DEF:proc_min=$rrd:usage:MIN";
+
+    $rrd_options .= " AREA:proc_max#c5c5c5";
+    $rrd_options .= " AREA:proc_min#ffffffff";
+
     $rrd_options .= " LINE1:proc" . $proc['hrDeviceIndex'] . "#" . $colour . ":'" . $descr . "' ";
     $rrd_options .= " GPRINT:proc" . $proc['hrDeviceIndex'] . ":LAST:%3.0lf";
     $rrd_options .= " GPRINT:proc" . $proc['hrDeviceIndex'] . ":MAX:%3.0lf\\\l ";
diff --git a/html/includes/graphs/voltage.inc.php b/html/includes/graphs/voltage.inc.php
index 73f3e994df..6004120130 100644
--- a/html/includes/graphs/voltage.inc.php
+++ b/html/includes/graphs/voltage.inc.php
@@ -4,6 +4,8 @@ $scale_min = "0";
 
 include("common.inc.php");
 
+$rrd_options .= " -A ";
+
   $rrd_options .= " COMMENT:'                           Last    Max\\n'";
 
   $voltage = mysql_fetch_array(mysql_query("SELECT * FROM voltage where volt_id = '".mres($_GET['id'])."'"));
@@ -15,7 +17,13 @@ include("common.inc.php");
   $rrd_filename  = $config['rrd_dir'] . "/".$hostname."/" . safename("volt-" . $voltage['volt_descr'] . ".rrd");
 
   $rrd_options .= " DEF:volt=$rrd_filename:volt:AVERAGE";
-  $rrd_options .= " AREA:volt#FFFF99";
+  $rrd_options .= " DEF:volt_max=$rrd_filename:volt:MAX";
+  $rrd_options .= " DEF:volt_min=$rrd_filename:volt:MIN";
+
+  $rrd_options .= " AREA:volt_max#c5c5c5";
+  $rrd_options .= " AREA:volt_min#ffffffff";
+
+  #$rrd_options .= " AREA:volt#FFFF99";
   $rrd_options .= " LINE1.5:volt#cc0000:'" . $voltage['volt_descr_fixed']."'";
   $rrd_options .= " GPRINT:volt:LAST:%3.2lfV";
   $rrd_options .= " GPRINT:volt:MAX:%3.2lfV\\\\l";