diff --git a/eeprom.c b/eeprom.c
index bbe0980..407c1f9 100644
--- a/eeprom.c
+++ b/eeprom.c
@@ -44,7 +44,9 @@
 #endif
 #endif
 
+#if (_EEPROM_AUTO_ERASE___NEED_MORE_RAM==1)
 uint32_t	EEPROMPageBackup[_EEPROM_FLASH_PAGE_SIZE/4];
+#endif
 
 //##########################################################################################################
 //##########################################################################################################
@@ -85,6 +87,7 @@ bool EE_Write(uint16_t VirtualAddress, uint32_t Data)
 	if(VirtualAddress >=	(_EEPROM_FLASH_PAGE_SIZE/4))
 		return false;
 
+	#if (_EEPROM_AUTO_ERASE___NEED_MORE_RAM==1)
 	if((*(__IO uint32_t*)((VirtualAddress*4)+_EEPROM_FLASH_PAGE_ADDRESS)) != 0xFFFFFFFF)
 	{
 		
@@ -106,6 +109,7 @@ bool EE_Write(uint16_t VirtualAddress, uint32_t Data)
 			}			
 		}
 	}	
+	#endif
 	HAL_FLASH_Unlock();
 	if(Data!=0xFFFFFFFF)
 	{
@@ -122,7 +126,6 @@ bool EE_Write(uint16_t VirtualAddress, uint32_t Data)
 	}
 	HAL_FLASH_Lock();
 	return true;
-
 }
 //##########################################################################################################
 bool EE_Reads(uint16_t StartVirtualAddress,uint16_t HowMuchToRead,uint32_t* Data)
@@ -141,6 +144,7 @@ bool 	EE_Writes(uint16_t StartVirtualAddress,uint16_t HowMuchToWrite,uint32_t* D
 {
 	if((StartVirtualAddress+HowMuchToWrite) >	(_EEPROM_FLASH_PAGE_SIZE/4))
 		return false;
+	#if (_EEPROM_AUTO_ERASE___NEED_MORE_RAM==1)
 	if( EE_Reads(0,(_EEPROM_FLASH_PAGE_SIZE/4),EEPROMPageBackup)==false)
 		return false;
 	for(uint16_t	i=StartVirtualAddress ; i<HowMuchToWrite+StartVirtualAddress ; i++)
@@ -150,15 +154,28 @@ bool 	EE_Writes(uint16_t StartVirtualAddress,uint16_t HowMuchToWrite,uint32_t* D
 	}	
 	if(EE_Format()==false)
 		return false;
+	#endif
 	HAL_FLASH_Unlock();
+	#if (_EEPROM_AUTO_ERASE___NEED_MORE_RAM==1)
 	for(uint16_t	i=0 ; i<(_EEPROM_FLASH_PAGE_SIZE/4); i++)
-	{
+	{		
 		if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD,(i*4)+_EEPROM_FLASH_PAGE_ADDRESS,(uint64_t)EEPROMPageBackup[i])!=HAL_OK)
 		{
 			HAL_FLASH_Lock();
 			return false;
 		}
 	}
+	#else
+	HAL_FLASH_Unlock();
+	for(uint16_t i=0; i<HowMuchToWrite ; i++)
+	{		
+		if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD,((i+StartVirtualAddress)*4)+_EEPROM_FLASH_PAGE_ADDRESS,(uint64_t)Data[i])!=HAL_OK)
+		{
+			HAL_FLASH_Lock();
+			return false;
+		}
+	}	
+	#endif
 	HAL_FLASH_Lock();
 	return true;
 }
diff --git a/eepromConfig.h b/eepromConfig.h
index 50e4d4a..1f6073a 100644
--- a/eepromConfig.h
+++ b/eepromConfig.h
@@ -1,6 +1,7 @@
 #ifndef __EEPROMCONFIG_H
 #define __EEPROMCONFIG_H
 
+#define   _EEPROM_AUTO_ERASE___NEED_MORE_RAM						(0)			// store old data
 
 #define   _EEPROM_F030x4_F030x6_F070x6_F030x8						(1)
 #define   _EEPROM_F1_LOW_DESTINY												(0)