diff --git a/generators/example/src/main/scala/BoomConfigs.scala b/generators/example/src/main/scala/BoomConfigs.scala
index 7da54ffa..c6521619 100644
--- a/generators/example/src/main/scala/BoomConfigs.scala
+++ b/generators/example/src/main/scala/BoomConfigs.scala
@@ -61,6 +61,7 @@ class SmallRV32UnifiedBoomConfig extends Config(
   new WithTop ++
   new WithBootROM ++
   new freechips.rocketchip.subsystem.WithInclusiveCache ++
+  new boom.common.WithoutBoomFPU ++                       // no floating point
   new boom.common.WithUnifiedMemIntIQs ++                 // use unified mem+int issue queues
   new boom.common.WithSmallBooms ++
   new boom.common.WithNBoomCores(1) ++
diff --git a/generators/example/src/main/scala/HeteroConfigs.scala b/generators/example/src/main/scala/HeteroConfigs.scala
index 8c966bc2..6f7cf8b1 100644
--- a/generators/example/src/main/scala/HeteroConfigs.scala
+++ b/generators/example/src/main/scala/HeteroConfigs.scala
@@ -18,6 +18,16 @@ class LargeBoomAndRocketConfig extends Config(
   new freechips.rocketchip.subsystem.WithNBigCores(1) ++   // single-core rocket
   new freechips.rocketchip.system.BaseConfig)              // "base" rocketchip system
 
+class SmallBoomAndRocketConfig extends Config(
+  new WithTop ++
+  new WithBootROM ++
+  new freechips.rocketchip.subsystem.WithInclusiveCache ++
+  new boom.common.WithRenumberHarts ++
+  new boom.common.WithSmallBooms ++                        // 1-wide boom
+  new boom.common.WithNBoomCores(1) ++
+  new freechips.rocketchip.subsystem.WithNBigCores(1) ++
+  new freechips.rocketchip.system.BaseConfig)
+
 class HwachaLargeBoomAndHwachaRocketConfig extends Config(
   new WithTop ++
   new WithBootROM ++