diff --git a/port/ez430-rf2560/src/main.c b/port/ez430-rf2560/src/main.c
index a46d2dff8..880964d74 100644
--- a/port/ez430-rf2560/src/main.c
+++ b/port/ez430-rf2560/src/main.c
@@ -77,9 +77,32 @@ static btstack_packet_callback_registration_t hci_event_callback_registration;
 
 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
     if (packet_type != HCI_EVENT_PACKET) return;
-    if (hci_event_packet_get_type(packet) != BTSTACK_EVENT_STATE) return;
-    if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
-    printf("BTstack up and running.\n");
+    switch(hci_event_packet_get_type(packet)){
+        case BTSTACK_EVENT_STATE:
+            if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
+            printf("BTstack up and running.\n");
+            break;
+        case HCI_EVENT_COMMAND_COMPLETE:
+            if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)){
+                uint16_t manufacturer   = little_endian_read_16(packet, 10);
+                uint16_t lmp_subversion = little_endian_read_16(packet, 12);
+                // assert manufacturer is TI
+                if (manufacturer != COMPANY_ID_TEXAS_INSTRUMENTS_INC){
+                    printf("ERROR: Expected Bluetooth Chipset from TI but got manufacturer 0x%04x\n", manufacturer);
+                    break;
+                }
+                // assert correct init script is used based on expected lmp_subversion
+                if (lmp_subversion != btstack_chipset_cc256x_lmp_subversion()){
+                    printf("Error: LMP Subversion does not match initscript! ");
+                    printf("Your initscripts is for %s chipset\n", btstack_chipset_cc256x_lmp_subversion() < lmp_subversion ? "an older" : "a newer");
+                    printf("Please update Makefile to include the appropriate bluetooth_init_cc256???.c file\n");
+                    break;
+                }
+            }
+            break;
+        default:
+            break;
+    }
 }
 
 // main
diff --git a/port/msp-exp430f5438-cc2564b/src/main.c b/port/msp-exp430f5438-cc2564b/src/main.c
index 2c31fc5c9..0495f909f 100644
--- a/port/msp-exp430f5438-cc2564b/src/main.c
+++ b/port/msp-exp430f5438-cc2564b/src/main.c
@@ -96,9 +96,32 @@ static btstack_packet_callback_registration_t hci_event_callback_registration;
 
 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
     if (packet_type != HCI_EVENT_PACKET) return;
-    if (hci_event_packet_get_type(packet) != BTSTACK_EVENT_STATE) return;
-    if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
-    printf("BTstack up and running.\n");
+    switch(hci_event_packet_get_type(packet)){
+        case BTSTACK_EVENT_STATE:
+            if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
+            printf("BTstack up and running.\n");
+            break;
+        case HCI_EVENT_COMMAND_COMPLETE:
+            if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)){
+                uint16_t manufacturer   = little_endian_read_16(packet, 10);
+                uint16_t lmp_subversion = little_endian_read_16(packet, 12);
+                // assert manufacturer is TI
+                if (manufacturer != COMPANY_ID_TEXAS_INSTRUMENTS_INC){
+                    printf("ERROR: Expected Bluetooth Chipset from TI but got manufacturer 0x%04x\n", manufacturer);
+                    break;
+                }
+                // assert correct init script is used based on expected lmp_subversion
+                if (lmp_subversion != btstack_chipset_cc256x_lmp_subversion()){
+                    printf("Error: LMP Subversion does not match initscript! ");
+                    printf("Your initscripts is for %s chipset\n", btstack_chipset_cc256x_lmp_subversion() < lmp_subversion ? "an older" : "a newer");
+                    printf("Please update Makefile to include the appropriate bluetooth_init_cc256???.c file\n");
+                    break;
+                }
+            }
+            break;
+        default:
+            break;
+    }
 }
 
 static void btstack_setup(void){
diff --git a/port/msp430f5229lp-cc2564b/src/main.c b/port/msp430f5229lp-cc2564b/src/main.c
index 837995d03..1fcc3b087 100644
--- a/port/msp430f5229lp-cc2564b/src/main.c
+++ b/port/msp430f5229lp-cc2564b/src/main.c
@@ -100,9 +100,32 @@ static btstack_packet_callback_registration_t hci_event_callback_registration;
 
 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
     if (packet_type != HCI_EVENT_PACKET) return;
-    if (hci_event_packet_get_type(packet) != BTSTACK_EVENT_STATE) return;
-    if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
-    printf("BTstack up and running.\n");
+    switch(hci_event_packet_get_type(packet)){
+        case BTSTACK_EVENT_STATE:
+            if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
+            printf("BTstack up and running.\n");
+            break;
+        case HCI_EVENT_COMMAND_COMPLETE:
+            if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)){
+                uint16_t manufacturer   = little_endian_read_16(packet, 10);
+                uint16_t lmp_subversion = little_endian_read_16(packet, 12);
+                // assert manufacturer is TI
+                if (manufacturer != COMPANY_ID_TEXAS_INSTRUMENTS_INC){
+                    printf("ERROR: Expected Bluetooth Chipset from TI but got manufacturer 0x%04x\n", manufacturer);
+                    break;
+                }
+                // assert correct init script is used based on expected lmp_subversion
+                if (lmp_subversion != btstack_chipset_cc256x_lmp_subversion()){
+                    printf("Error: LMP Subversion does not match initscript! ");
+                    printf("Your initscripts is for %s chipset\n", btstack_chipset_cc256x_lmp_subversion() < lmp_subversion ? "an older" : "a newer");
+                    printf("Please update Makefile to include the appropriate bluetooth_init_cc256???.c file\n");
+                    break;
+                }
+            }
+            break;
+        default:
+            break;
+    }
 }
 
 static void btstack_setup(void){
diff --git a/port/stm32-f103rb-nucleo/main.c b/port/stm32-f103rb-nucleo/main.c
index c07828bd1..3beaf7873 100644
--- a/port/stm32-f103rb-nucleo/main.c
+++ b/port/stm32-f103rb-nucleo/main.c
@@ -416,9 +416,32 @@ static const hci_transport_config_uart_t config = {
 
 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
     if (packet_type != HCI_EVENT_PACKET) return;
-    if (hci_event_packet_get_type(packet) != BTSTACK_EVENT_STATE) return;
-    if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
-    printf("BTstack up and running.\n");
+    switch(hci_event_packet_get_type(packet)){
+        case BTSTACK_EVENT_STATE:
+            if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
+            printf("BTstack up and running.\n");
+            break;
+        case HCI_EVENT_COMMAND_COMPLETE:
+            if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)){
+                uint16_t manufacturer   = little_endian_read_16(packet, 10);
+                uint16_t lmp_subversion = little_endian_read_16(packet, 12);
+                // assert manufacturer is TI
+                if (manufacturer != COMPANY_ID_TEXAS_INSTRUMENTS_INC){
+                    printf("ERROR: Expected Bluetooth Chipset from TI but got manufacturer 0x%04x\n", manufacturer);
+                    break;
+                }
+                // assert correct init script is used based on expected lmp_subversion
+                if (lmp_subversion != btstack_chipset_cc256x_lmp_subversion()){
+                    printf("Error: LMP Subversion does not match initscript! ");
+                    printf("Your initscripts is for %s chipset\n", btstack_chipset_cc256x_lmp_subversion() < lmp_subversion ? "an older" : "a newer");
+                    printf("Please update Makefile to include the appropriate bluetooth_init_cc256???.c file\n");
+                    break;
+                }
+            }
+            break;
+        default:
+            break;
+    }
 }
 
 int main(void)