diff --git a/perl-xCAT/xCAT/DBobjUtils.pm b/perl-xCAT/xCAT/DBobjUtils.pm
index 027bcf0a6..b4e600ba1 100644
--- a/perl-xCAT/xCAT/DBobjUtils.pm
+++ b/perl-xCAT/xCAT/DBobjUtils.pm
@@ -2150,7 +2150,7 @@ sub getchildren
           $::RUNCMD_RC = 1; 
           return undef; 
         }
-        my @ps = $ppctab->getAllNodeAttribs(['node','parent','nodetype']);
+        my @ps = $ppctab->getAllNodeAttribs(['node','parent','nodetype','hcp']);
         foreach my $entry ( @ps ) {
             my $p = $entry->{parent};
             my $c = $entry->{node};
@@ -2161,13 +2161,19 @@ sub getchildren
                     # build hash of ppc.parent -> ppc.node 
                     push @{$PPCHASH{$p}}, $c;
                 }   
+                elsif ($t eq 'blade') {
+                    push @{$PPCHASH{$c}}, $entry->{hcp};
+                }
               } else { # go look in the nodetype table to find nodetype 
-                 my $type = getnodetype($c);
+                 my $type = getnodetype($c, "ppc");
                  if ( $type eq 'fsp' or $type eq 'bpa')
                  {
                      # build hash of ppc.parent -> ppc.node 
                       push @{$PPCHASH{$p}}, $c;
                  }
+                 elsif ($type eq "blade") {
+                     push @{$PPCHASH{$c}}, $entry->{hcp};
+                 }
               }
             }  # not $p and $c
         }
diff --git a/perl-xCAT/xCAT/FSPUtils.pm b/perl-xCAT/xCAT/FSPUtils.pm
index 8236c826b..5f4ef08bf 100644
--- a/perl-xCAT/xCAT/FSPUtils.pm
+++ b/perl-xCAT/xCAT/FSPUtils.pm
@@ -67,7 +67,7 @@ sub getHcpAttribs
 	}
     }
     
-    my @ps = $tabs->{ppc}->getAllNodeAttribs(['node','parent','nodetype']); 
+    my @ps = $tabs->{ppc}->getAllNodeAttribs(['node','parent','nodetype','hcp']); 
     for my $entry ( @ps ) {
         my $tmp_parent = $entry->{parent};
         my $tmp_node = $entry->{node};
@@ -76,6 +76,9 @@ sub getHcpAttribs
             push @{$ppchash{$tmp_parent}{children}}, $tmp_node;
 	    #push @{$ppchash{$tmp_parent}}, $tmp_node;
         }
+        if (defined($tmp_node) && defiend($tmp_type) && ($tmp_type eq "blade") && defined($entry->{hcp})) {
+            push @{$ppchash{$tmp_node}{children}}, $entry->{hcp};
+        }
 
 	#if(exists($ppchash{$tmp_node})) {
 	#     if( defined($tmp_type) ) {
@@ -173,6 +176,8 @@ sub getIPaddress
 	    #the $nodetocheck is its' hcp. So set $nodetocheck to $parent variable. 
 	    #And then get the FSPs IPs for the CEC. 
             $parent = $nodetocheck;
+        } elsif ($type eq "blade") {
+            return $ppc->{$nodetocheck}->{children}->[0];
         } else {
             return undef;
         }
diff --git a/perl-xCAT/xCAT/PPCconn.pm b/perl-xCAT/xCAT/PPCconn.pm
index 143f05fcd..6e83ccd8a 100644
--- a/perl-xCAT/xCAT/PPCconn.pm
+++ b/perl-xCAT/xCAT/PPCconn.pm
@@ -99,7 +99,7 @@ sub mkhwconn_parse_args
             #my $nodetype_hash    = $nodetypetab->getNodeAttribs( $node,[qw(nodetype)]);
             my $node_parent_hash = $ppctab->getNodeAttribs( $node,[qw(parent)]);
             #$nodetype    = $nodetype_hash->{nodetype};
-            $nodetype = xCAT::DBobjUtils->getnodetype($node);
+            $nodetype = xCAT::DBobjUtils->getnodetype($node,"ppc");
             $node_parent = $node_parent_hash->{parent};
             if ( !$nodetype )
             {
@@ -107,7 +107,7 @@ sub mkhwconn_parse_args
                 next;
             } else
             {
-                unless ( $nodetype =~ /^(fsp|bpa|frame|cec|hmc)$/)
+                unless ( $nodetype =~ /^(blade|fsp|bpa|frame|cec|hmc)$/)
                 {
                      return ( usage("Node type is incorrect. \n"));
                 }
@@ -486,8 +486,9 @@ sub mkhwconn
             # Get IP address
             ############################
             my $cnode;
-            my $ntype = xCAT::DBobjUtils::getnodetype($node_name);
-            if ($ntype =~ /^(cec|frame)$/)
+            #my $ntype = xCAT::DBobjUtils::getnodetype($node_name);
+            my $ntype = $$d[4];
+            if ($ntype =~ /^(cec|frame|blade)$/)
             {
                 $cnode = xCAT::DBobjUtils::getchildren($node_name, $opt->{port});
             } else {
@@ -518,12 +519,17 @@ sub mkhwconn
                     next;
                 }
 
-                my ( undef,undef,$mtms,undef,$type) = @$d;
+                my ( undef,undef,$mtms,undef,$type,$bpa) = @$d;
                 my ($user, $passwd);
                 if ( exists $opt->{P})
                 {
                     ($user, $passwd) = ('HMC', $opt->{P});
                 }
+                elsif ($type eq "blade") {
+                    $user = "USERID";
+                    ($user, $passwd) = xCAT::PPCdb::credentials( $bpa, $type, $user);
+                    $type = "cec";
+                }
                 else
                 {
                     ($user, $passwd) = xCAT::PPCdb::credentials( $node_name, $type,'HMC');
@@ -707,7 +713,7 @@ sub rmhwconn
             my $d = $node_hash->{$node_name};
 
             my ( undef,undef,undef,undef,$type) = @$d;
-
+            if ($type eq "blade") {$type = "cec";}
             ############################
             # Get IP address
             ############################
@@ -724,10 +730,19 @@ sub rmhwconn
 
             my @ips;
             foreach my $entry ( @$nodes_found ) {
-                if ( $entry =~ /$mtm\*$serial/)   {
-                    $entry =~ /ipaddr=(\d+\.\d+\.\d+\.\d+),/;
-                    push @ips, $1;
+                if ($entry =~ /type_model_serial_num=([^,]*),/) {
+                    my $match_mtm1 = $1;
+                    my $match_mtm2 = $match_mtm1;
+                    $match_mtm2 =~ s/\-//;
+                    if ($match_mtm1 =~ /$mtm\*$serial/ || $match_mtm2 =~ /$mtm\*$serial/) {
+                        $entry =~ /ipaddr=(\d+\.\d+\.\d+\.\d+),/;
+                        push @ips, $1;
+                    }
                 }
+            #if ( $entry =~ /$mtm\*$serial/)   {
+            #    $entry =~ /ipaddr=(\d+\.\d+\.\d+\.\d+),/;
+            #    push @ips, $1;
+            #}
             } 
             if (!@ips)
             {