Lenze PC-based Automation Industrial PC - Manual (Page 29)

2.5 EN - 01/2012
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Industrial PC | Parameter setting & configuration
Commissioning
Technical background information
4.3 System boot-up
 The CF card is the storage medium of the Industrial PC.
 During the system start-up, the Industrial PC generates the required data in the main
memory from the data bases of the CF card. Thus the Industrial PC can only be operated
in connection with the CF card.
 Configurations which have been saved previously, e.g. the entry of the IP address and
the touch calibration, are taken into account for the system start.
4.4 Technical background information
4.4.1 Data management
 During a system start the data management generates the required
registry entries from the reference data saved. As the registry is not saved with mains
failure protection, the Industrial PC regenerates the registry at every system start.
 The reference data base is composed of the IPC data and parameters which are saved
to the files of the data manager. The remaining data are stored within the databases
by the Industrial PC. The CF card serves as a storage medium for saved data.
4.4.2 Starting process
The operating system is stored in a binary file on the CF card. During system start-up the
Industrial PC loads the system data and starts the operating system. The Industrial PC
executes the following steps during a start-up:
1. Loading the system data from the binary file into the main memory and starting the
operating system:
2. Unpacking the system programs and installing the device drivers:
– Unpacking of the basic settings from the database,
– Installation of the "backup and restore“ components,
– Installation of the device scanner,
– Installation of the data manager.
After unpacking the system files, the Industrial PC starts the system programs. The device
scanner identifies the IPC configuration and establishes the topological addressing.

Note!
Removing the CF card causes a failure of the system! The CF card is required for
the system start, as the operating system and all the system files required for the
boot process are stored on the CF card.