Expansions and Configurations   
10.2 Memory expansion 
  SIMATIC IPC427C 
58  Operating Instructions, 04/2009, A5E02414743-01 
Installing a memory module 
 
How to install a memory module 
1  Set the memory module in the mount 
tilting forward. 
 
 
 
2  Carefully push the memory module back into the heat sink until it fully engages. 
3  Close the device. 
Display of the current memory configuration 
The new memory configuration is detected automatically. System RAM, Extended RAM and 
Cache SRAM are displayed during device startup.