5 Commissioning and operation5.6 Operating system XP-503 with Windows Embedded Standard 7XP-503 04/2020 MN048014 EN Eaton.com 45Protect-Mode data organizationC:\ drive Protected by Protect Mode when enabledFiles to be installed and changed only at initial device setup and should remain unchanged undernormal operation.Other drives (such as D:\) Not protected, even when Protect Mode is enabledFiles to be stored through normal operations: process data, trends, recipes, alarm lists, ... If Protect Mode is active and extensive changes are made to the C:\ drive (e.g.software installations), volatile memory may become full resulting in system errors.Protect Mode Save OperationWhen the Protect Mode is active the unit is protected against any changes to data stored on the C:\drive. In order to save desired data changes to the C:\ drive the Protect Mode Save operation mustbe run Extensive changes to C:\ drive (software installations) must be executed with ProtectMode disabled.It is good practice to shut down and re-start the XP-503 in preparation of making permanent changesto the C:\ drive. This step will ensure that all data stored in volatile memory is cleared so that nounexpected corruption or changes will take place on your C:\ drive. Once the XP-503 has beenrestarted, make your changes and then save the changes by selecting “StartAllProgramsEatonProtect Mode Manager”. From the Protect Mode Manager window select the“Protect Mode Save” tab and click on the “Commit” button.Once the Protect Mode Save operation has been launched, the changes that affect the C:\ drive willbe saved and then the device will automatically shut down and then restart, back in Protect Mode.