--- cacti-0.8.5/lib/rrd.php	2004-02-03 01:21:08.000000000 -0500
+++ cacti-0.8.6/lib/rrd.php	2004-02-24 23:29:38.000000000 -0500
@@ -284,10 +284,13 @@
 			$regexps[$i] = '/[0-9]+:\s+';
 			
 			for ($j=0;$j<count($fetch_array["data_source_names"]);$j++) {
+				/* it seems that at least some versions of the Windows RRDTool binary pads
+				the exponent to 3 digits, rather than 2 on every Unix version that I have 
+				ever seen */
 				if ($j == $i) {
-					$regexps[$i] .= '([0-9]{1}\.[0-9]+)e([\+-][0-9]{2})';
+					$regexps[$i] .= '([0-9]{1}\.[0-9]+)e([\+-][0-9]{2,3})';
 				}else{
-					$regexps[$i] .= '[0-9]{1}\.[0-9]+e[\+-][0-9]{2}';
+					$regexps[$i] .= '[0-9]{1}\.[0-9]+e[\+-][0-9]{2,3}';
 				}
 				
 				if ($j < count($fetch_array["data_source_names"])) {