Alarm, Error and System Messages   
12.2 BIOS POST codes 
  SIMATIC Box PC 627 
12-4  Operating Instructions, Release 05/2006, A5E00362052-03 
Special codes 
The following Beep codes are available in addition to the listed POST codes: 
•  3 x short INSERT key is pressed on system start: 
If an external graphics card on the bus board is not detected, you can try to activate it by 
pressing the INSERT key. 
The "INSERT" key activates special enumerations for activating a PCI VGA card. 
•  1 x long 8 x short Error on reading the MPI system information: 
Please contact Customer Support 
•  4 x short MPI firmware has been updated: 
This can occur once following a BIOS update. 
•  2x short Error in checksum test of the BIOS: 
This can occur following a battery replacement or when the battery is empty.