diff --git a/cime_config/allactive/config_pesall.xml b/cime_config/allactive/config_pesall.xml
index c0c48b954e3c..09af8a8bbacb 100644
--- a/cime_config/allactive/config_pesall.xml
+++ b/cime_config/allactive/config_pesall.xml
@@ -843,6 +843,29 @@
       </pes>
     </mach>
   </grid>
+  <grid name="a%ne30np4.pg2_l%.+_oi%SOwISC12to30E3r3">
+    <mach name="chrysalis">
+      <pes compset=".*EAM.+ELM.+MPASSI.+MPASO.+MOSART.+SWAV.+" pesize="M">
+        <comment> -compset WCYCL*/CRYO* -res SOwISC12to60E2r4* on 52 nodes pure-MPI, ~8.5 sypd </comment>
+        <ntasks>
+          <ntasks_atm>1350</ntasks_atm>
+          <ntasks_lnd>128</ntasks_lnd>
+          <ntasks_rof>128</ntasks_rof>
+          <ntasks_ice>1280</ntasks_ice>
+          <ntasks_ocn>1920</ntasks_ocn>
+          <ntasks_cpl>1408</ntasks_cpl>
+        </ntasks>
+        <rootpe>
+          <rootpe_atm>0</rootpe_atm>
+          <rootpe_lnd>1280</rootpe_lnd>
+          <rootpe_rof>1280</rootpe_rof>
+          <rootpe_ice>0</rootpe_ice>
+          <rootpe_ocn>1408</rootpe_ocn>
+          <rootpe_cpl>0</rootpe_cpl>
+        </rootpe>
+      </pes>
+    </mach>
+  </grid>
   <grid name="a%ne30np4.pg2_l%.+_oi%ECwISC30to60E2r1">
     <mach name="anvil">
       <pes compset=".*EAM.+ELM.+MPASSI.+MPASO.+MOSART.+SGLC.+SWAV.+" pesize="M">