diff --git a/config/acme/allactive/config_pesall.xml b/config/acme/allactive/config_pesall.xml
index 7782291e66c..a3f594d104a 100644
--- a/config/acme/allactive/config_pesall.xml
+++ b/config/acme/allactive/config_pesall.xml
@@ -5973,7 +5973,7 @@
     </mach>
   </grid>
   <grid name="any">
-    <mach name="blues">
+    <mach name="blues|bebop">
       <pes compset="CAM5.+CLM45.+MPASCICE.+MPASO.+MOSART.+SGLC.+SWAV" pesize="any">
         <comment>none</comment>
         <ntasks>
@@ -6009,6 +6009,43 @@
       </pes>
     </mach>
   </grid>
+  <grid name="a%T62_l%T62_oi%oQU120_r%rx1.+">
+    <mach name="bebop">
+      <pes compset=".*MPAS.*" pesize="any">
+        <comment>T62_oQU120 grid for MPAS tests on 1024 nodes pure-MPI</comment>
+        <ntasks>
+          <ntasks_atm>1024</ntasks_atm>
+          <ntasks_lnd>1024</ntasks_lnd>
+          <ntasks_rof>1024</ntasks_rof>
+          <ntasks_ice>1024</ntasks_ice>
+          <ntasks_ocn>1024</ntasks_ocn>
+          <ntasks_glc>1024</ntasks_glc>
+          <ntasks_wav>1024</ntasks_wav>
+          <ntasks_cpl>1024</ntasks_cpl>
+        </ntasks>
+        <nthrds>
+          <nthrds_atm>1</nthrds_atm>
+          <nthrds_lnd>1</nthrds_lnd>
+          <nthrds_rof>1</nthrds_rof>
+          <nthrds_ice>1</nthrds_ice>
+          <nthrds_ocn>1</nthrds_ocn>
+          <nthrds_glc>1</nthrds_glc>
+          <nthrds_wav>1</nthrds_wav>
+          <nthrds_cpl>1</nthrds_cpl>
+        </nthrds>
+        <rootpe>
+          <rootpe_atm>0</rootpe_atm>
+          <rootpe_lnd>0</rootpe_lnd>
+          <rootpe_rof>0</rootpe_rof>
+          <rootpe_ice>0</rootpe_ice>
+          <rootpe_ocn>0</rootpe_ocn>
+          <rootpe_glc>0</rootpe_glc>
+          <rootpe_wav>0</rootpe_wav>
+          <rootpe_cpl>0</rootpe_cpl>
+        </rootpe>
+      </pes>
+    </mach>
+  </grid>
   <grid name="a%ne120np4_l%ne120np4_oi%oRRS15to5_r%r0.+_m%oRRS15to5_g%null_w%null">
     <mach name="titan|edison|cori-haswell">
       <pes compset="CAM5.+CLM45.+MPASCICE.+MPASO.+MOSART.+SGLC.+SWAV" pesize="any">
diff --git a/config/acme/machines/config_compilers.xml b/config/acme/machines/config_compilers.xml
index 91039fc856f..93b769a9c7c 100644
--- a/config/acme/machines/config_compilers.xml
+++ b/config/acme/machines/config_compilers.xml
@@ -1193,7 +1193,7 @@ for mct, etc.
   <ADD_FFLAGS compile_threaded="true"> -qopenmp </ADD_FFLAGS>
   <ADD_FFLAGS_NOOPT compile_threaded="true"> -qopenmp </ADD_FFLAGS_NOOPT>
   <ADD_LDFLAGS compile_threaded="true"> -qopenmp </ADD_LDFLAGS>
-  <ADD_SLIBS> $(shell $(NETCDF_PATH)/bin/nf-config --flibs) -mkl</ADD_SLIBS>
+  <ADD_SLIBS> $(shell nf-config --flibs) -mkl</ADD_SLIBS>
   <GPTL_CPPDEFS> -DHAVE_SLASHPROC </GPTL_CPPDEFS>
   <MPIFC> mpiifort </MPIFC>
   <MPICC> mpiicc  </MPICC>
diff --git a/config/acme/machines/config_machines.xml b/config/acme/machines/config_machines.xml
index 146cd315750..0bc12cdcca9 100644
--- a/config/acme/machines/config_machines.xml
+++ b/config/acme/machines/config_machines.xml
@@ -1157,6 +1157,9 @@
         <arg name="num_tasks" > -n $TOTALPES</arg>
       </arguments>
     </mpirun>
+    <mpirun mpilib="mpi-serial">
+      <executable></executable>
+    </mpirun>
     <module_system type="module">
       <init_path lang="sh">/home/software/spack-0.10.1/opt/spack/linux-centos7-x86_64/gcc-4.8.5/lmod-7.4.9-ic63herzfgw5u3na5mdtvp3nwxy6oj2z/lmod/lmod/init/sh</init_path>
       <init_path lang="csh">/home/software/spack-0.10.1/opt/spack/linux-centos7-x86_64/gcc-4.8.5/lmod-7.4.9-ic63herzfgw5u3na5mdtvp3nwxy6oj2z/lmod/lmod/init/csh</init_path>
@@ -1183,11 +1186,12 @@
         <command name="load">cmake</command>
 	<command name="load">netcdf/4.4.1.1-prsuusl</command>
         <command name="load">netcdf-fortran/4.4.4-ojwazvy</command>
-        <command name="load">parallel-netcdf/1.8.1</command>
+        <command name="load" mpilib="!mpi-serial">parallel-netcdf/1.6.1</command>
       </modules>
     </module_system>
     <environment_variables>
-      <env name="NETCDF_PATH">$SHELL{which nf-config | xargs dirname | xargs dirname}</env>
+      <env name="NETCDF_C_PATH">$SHELL{which nc-config | xargs dirname | xargs dirname}</env>
+      <env name="NETCDF_FORTRAN_PATH">$SHELL{which nf-config | xargs dirname | xargs dirname}</env>
       <env name="PNETCDF_PATH" mpilib="!mpi-serial">$SHELL{which pnetcdf_version | xargs dirname | xargs dirname}</env>
       <env name="PATH">/lcrc/group/acme/soft/perl/5.26.0/bin:$ENV{PATH}</env>
     </environment_variables>