diff --git a/mcu-gateway.yaml b/mcu-gateway.yaml
index cab0f5d..c073da4 100644
--- a/mcu-gateway.yaml
+++ b/mcu-gateway.yaml
@@ -16,7 +16,8 @@ esp32:
   framework:
     type: esp-idf
     advanced:
-      minimum_chip_revision: "3.0"
+      minimum_chip_revision: 3.0
+      sram1_as_iram: true
 
 external_components:
   # Ethernet LLDP 802.1AB transmitter
diff --git a/mcu-nspanel-bedroom.yaml b/mcu-nspanel-bedroom.yaml
index 482b0b6..8cfcb9e 100644
--- a/mcu-nspanel-bedroom.yaml
+++ b/mcu-nspanel-bedroom.yaml
@@ -26,7 +26,8 @@ esp32:
   framework:
     type: esp-idf
     advanced:
-      minimum_chip_revision: "3.0"
+      minimum_chip_revision: 3.0
+      sram1_as_iram: true
 
 external_components:
   - source:
diff --git a/mcu-nspanel-dev.yaml b/mcu-nspanel-dev.yaml
index cca7b9d..9afd21b 100644
--- a/mcu-nspanel-dev.yaml
+++ b/mcu-nspanel-dev.yaml
@@ -36,7 +36,8 @@ esp32:
   framework:
     type: esp-idf
     advanced:
-      minimum_chip_revision: "3.0"
+      minimum_chip_revision: 3.0
+      sram1_as_iram: true
       include_builtin_idf_components:
         - esp_http_client
 
diff --git a/mcu-nspanel-fireplace.yaml b/mcu-nspanel-fireplace.yaml
index fb74ef7..bfb69c7 100644
--- a/mcu-nspanel-fireplace.yaml
+++ b/mcu-nspanel-fireplace.yaml
@@ -24,7 +24,8 @@ esp32:
   framework:
     type: esp-idf
     advanced:
-      minimum_chip_revision: "3.0"
+      minimum_chip_revision: 3.0
+      sram1_as_iram: true
 
 external_components:
   - source:
diff --git a/mcu-nspanel-office-j.yaml b/mcu-nspanel-office-j.yaml
index 86101fa..48bd740 100644
--- a/mcu-nspanel-office-j.yaml
+++ b/mcu-nspanel-office-j.yaml
@@ -25,7 +25,8 @@ esp32:
   framework:
     type: esp-idf
     advanced:
-      minimum_chip_revision: "3.0"
+      minimum_chip_revision: 3.0
+      sram1_as_iram: true
 
 external_components:
   - source:
diff --git a/mcu-nspanel-office-r.yaml b/mcu-nspanel-office-r.yaml
index 75acaa5..08cb110 100644
--- a/mcu-nspanel-office-r.yaml
+++ b/mcu-nspanel-office-r.yaml
@@ -26,7 +26,8 @@ esp32:
     type: esp-idf
     advanced:
       enable_lwip_mdns_queries: true
-      minimum_chip_revision: "3.0"
+      minimum_chip_revision: 3.0
+      sram1_as_iram: true
 
 external_components:
   - source:
diff --git a/mcu-nspanel-patio.yaml b/mcu-nspanel-patio.yaml
index 5b92d9f..36d0356 100644
--- a/mcu-nspanel-patio.yaml
+++ b/mcu-nspanel-patio.yaml
@@ -24,7 +24,8 @@ esp32:
   framework:
     type: esp-idf
     advanced:
-      minimum_chip_revision: "3.0"
+      minimum_chip_revision: 3.0
+      sram1_as_iram: true
 
 external_components:
   - source:
diff --git a/mcu-pow-dishwasher.yaml b/mcu-pow-dishwasher.yaml
index 1d6094c..d05bd38 100644
--- a/mcu-pow-dishwasher.yaml
+++ b/mcu-pow-dishwasher.yaml
@@ -15,7 +15,8 @@ esp32:
   framework:
     type: esp-idf
     advanced:
-      minimum_chip_revision: "3.1"
+      minimum_chip_revision: 3.1
+      sram1_as_iram: true
 
 packages:
   common: !include common/common.yaml
diff --git a/mcu-pow-washer.yaml b/mcu-pow-washer.yaml
index 5314a31..4cead27 100644
--- a/mcu-pow-washer.yaml
+++ b/mcu-pow-washer.yaml
@@ -15,7 +15,8 @@ esp32:
   framework:
     type: esp-idf
     advanced:
-      minimum_chip_revision: "3.1"
+      minimum_chip_revision: 3.1
+      sram1_as_iram: true
 
 packages:
   common: !include common/common.yaml