diff --git a/radio/src/main_arm.cpp b/radio/src/main_arm.cpp
index b28cb3361..7d8071173 100644
--- a/radio/src/main_arm.cpp
+++ b/radio/src/main_arm.cpp
@@ -86,8 +86,15 @@ void checkEeprom()
 #else
 void checkEeprom()
 {
-  if (TIME_TO_WRITE())
+#if defined(RAMBACKUP)
+  if (TIME_TO_RAMBACKUP()) {
+    rambackupWrite();
+    rambackupDirtyMsk = 0;
+  }
+#endif
+  if (TIME_TO_WRITE()) {
     storageCheck(false);
+  }
 }
 #endif
 
diff --git a/radio/src/storage/rambackup.cpp b/radio/src/storage/rambackup.cpp
index 85e0d1a03..6e14b2af0 100644
--- a/radio/src/storage/rambackup.cpp
+++ b/radio/src/storage/rambackup.cpp
@@ -39,19 +39,24 @@ PACK(struct RamBackup {
   uint8_t data[4094];
 });
 
-RamBackup ramBackup;
+#if defined(SIMU)
+RamBackup _ramBackup;
+RamBackup * ramBackup = &_ramBackup;
+#else
+RamBackup * ramBackup = (RamBackup *)BKPSRAM_BASE;
+#endif
 
 void rambackupWrite()
 {
   copyRadioData(&ramBackupUncompressed.radio, &g_eeGeneral);
   copyModelData(&ramBackupUncompressed.model, &g_model);
-  ramBackup.size = compress(ramBackup.data, (const uint8_t *)&ramBackupUncompressed, sizeof(ramBackupUncompressed));
-  TRACE("RamBackupWrite sdsize=%d backupsize=%d rlcsize=%d", sizeof(ModelData)+sizeof(RadioData), sizeof(Backup::RamBackupUncompressed), ramBackup.size);
+  ramBackup->size = compress(ramBackup->data, (const uint8_t *)&ramBackupUncompressed, sizeof(ramBackupUncompressed));
+  TRACE("RamBackupWrite sdsize=%d backupsize=%d rlcsize=%d", sizeof(ModelData)+sizeof(RadioData), sizeof(Backup::RamBackupUncompressed), ramBackup->size);
 
 #if 0
   // TODO move this code to non regression tests
   Backup::RamBackupUncompressed ramBackupRestored;
-  if (uncompress((uint8_t *)&ramBackupRestored, ramBackup.data, ramBackup.size) != sizeof(ramBackupUncompressed))
+  if (uncompress((uint8_t *)&ramBackupRestored, ramBackup->data, ramBackup->size) != sizeof(ramBackupUncompressed))
     TRACE("ERROR size");
   if (memcmp(&ramBackupUncompressed, &ramBackupRestored, sizeof(ramBackupUncompressed)) != 0)
     TRACE("ERROR restore");
@@ -60,10 +65,10 @@ void rambackupWrite()
 
 bool rambackupRestore()
 {
-  if (ramBackup.size == 0)
+  if (ramBackup->size == 0)
     return false;
 
-  if (uncompress((uint8_t *)&ramBackupUncompressed, ramBackup.data, ramBackup.size) != sizeof(ramBackupUncompressed))
+  if (uncompress((uint8_t *)&ramBackupUncompressed, ramBackup->data, ramBackup->size) != sizeof(ramBackupUncompressed))
     return false;
 
   copyRadioData(&g_eeGeneral, &ramBackupUncompressed.radio);
diff --git a/radio/src/storage/storage.h b/radio/src/storage/storage.h
index 0dd292c11..eea938049 100644
--- a/radio/src/storage/storage.h
+++ b/radio/src/storage/storage.h
@@ -22,8 +22,10 @@
 #define _STORAGE_H_
 
 #if defined(SIMU)
-  #define WRITE_DELAY_10MS 200
-#elif defined(PCBTARANIS)
+  #define WRITE_DELAY_10MS 100
+#elif defined(RAMBACKUP)
+  #define WRITE_DELAY_10MS 1500 /* 15s */
+#elif defined(PCBTARANIS) || defined(PCBFLAMENCO)
   #define WRITE_DELAY_10MS 500
 #elif defined(PCBSKY9X) && !defined(REV0)
   #define WRITE_DELAY_10MS 500
@@ -35,8 +37,13 @@
 
 extern uint8_t   storageDirtyMsk;
 extern tmr10ms_t storageDirtyTime10ms;
+#define TIME_TO_WRITE()                (storageDirtyMsk && (tmr10ms_t)(get_tmr10ms() - storageDirtyTime10ms) >= (tmr10ms_t)WRITE_DELAY_10MS)
 
-#define TIME_TO_WRITE() (storageDirtyMsk && (tmr10ms_t)(get_tmr10ms() - storageDirtyTime10ms) >= (tmr10ms_t)WRITE_DELAY_10MS)
+#if defined(RAMBACKUP)
+extern uint8_t   rambackupDirtyMsk;
+extern tmr10ms_t rambackupDirtyTime10ms;
+#define TIME_TO_RAMBACKUP()            (rambackupDirtyMsk && (tmr10ms_t)(get_tmr10ms() - rambackupDirtyTime10ms) >= (tmr10ms_t)100)
+#endif
 
 void storageEraseAll(bool warn);
 void storageFormat();
diff --git a/radio/src/storage/storage_common.cpp b/radio/src/storage/storage_common.cpp
index ee4b68a98..7f2e3eeb5 100644
--- a/radio/src/storage/storage_common.cpp
+++ b/radio/src/storage/storage_common.cpp
@@ -23,10 +23,20 @@
 uint8_t   storageDirtyMsk;
 tmr10ms_t storageDirtyTime10ms;
 
+#if defined(RAMBACKUP)
+uint8_t   rambackupDirtyMsk;
+tmr10ms_t rambackupDirtyTime10ms;
+#endif
+
 void storageDirty(uint8_t msk)
 {
   storageDirtyMsk |= msk;
-  storageDirtyTime10ms = get_tmr10ms() ;
+  storageDirtyTime10ms = get_tmr10ms();
+
+#if defined(RAMBACKUP)
+  rambackupDirtyMsk = storageDirtyMsk;
+  rambackupDirtyTime10ms = storageDirtyTime10ms;
+#endif
 }
 
 void preModelLoad()
diff --git a/radio/src/targets/taranis/rtc_driver.cpp b/radio/src/targets/taranis/rtc_driver.cpp
index e4ec42a1b..1a1071032 100644
--- a/radio/src/targets/taranis/rtc_driver.cpp
+++ b/radio/src/targets/taranis/rtc_driver.cpp
@@ -1,23 +1,23 @@
-/*
- * Copyright (C) OpenTX
- *
- * Based on code named
- *   th9x - http://code.google.com/p/th9x 
- *   er9x - http://code.google.com/p/er9x
- *   gruvin9x - http://code.google.com/p/gruvin9x
- *
- * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
+/*
+ * Copyright (C) OpenTX
+ *
+ * Based on code named
+ *   th9x - http://code.google.com/p/th9x 
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
 #include "../../opentx.h"
 
 void rtcSetTime(struct gtm * t)
@@ -76,4 +76,9 @@ void rtcInit()
   struct gtm utm;
   rtcGetTime(&utm);
   g_rtcTime = gmktime(&utm);
+
+#if defined(RAMBACKUP)
+  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_BKPSRAM, ENABLE);
+  PWR_BackupRegulatorCmd(ENABLE);
+#endif
 }