<html>
<head>
<style><!--
.hmmessage P
{
margin:0px;
padding:0px
}
body.hmmessage
{
font-size: 10pt;
font-family:Verdana
}
--></style>
</head>
<body class='hmmessage'>
Please excuse the newbie question.<br><br>I'm trying to help a first time user of MPICH, using a 10.6 Macintosh<br><br>OpenMPI runs as the default.<br><br>How can we change this?<br><br>Thanks,<br>Marcia<br>                                            </body>
</html>