Technical support   
A.4 Notes on the use of third-party modules 
  SIMATIC IPC847D 
198  Operating Instructions, 01/2014, A5E32997454-AA 
Computer does not boot or 
"Boot device not found" is 
displayed 
•  The boot device is not 
permitted 
•  The boot device is not in 
first place of the boot 
priority in the BIOS 
setup 
•  The boot data carrier is 
set up with GPT and 
UEFI boot is deactivated 
in the BIOS setup 
•  In the BIOS setup "Boot" menu, permit the boot device in 
the boot priority 
•  In the BIOS setup "Boot" menu, change the boot priority of 
the Boot device 
•  Activate UEFI boot in the BIOS setup. 
The startup of a Windows 
operating system on a GPT 
data carrier is aborted with 
the following error message: 
"Status: 0xc0000225 Info: 
The boot selection faild 
because a required device 
is inaccessible" 
The boot parameters in the 
boot loader file "BCD" are 
incorrect or damaged. 
Execute "Startup and Repair" from Microsoft Windows: 
1.  Insert the Recovery DVD into the optical drive. 
2.  Select the line with "UEFI" in front of the name of the 
optical drive. 
3.  Click "Next" in the language selection window. 
4.  In the following "Install Windows" dialog, click on "Repair 
your computer" or press the <R> key. The "System 
Recovery Options" dialog appears. The system is checked 
for errors. 
5.  Next, click "Repair and restart". 
 
Notes on the use of third-party modules 
The PC crashes 
during startup. 
•  I/O addresses are assigned 
twice. 
•  Hardware interrupts and/or 
DMA channels are assigned 
twice 
•  Signal frequencies or signal 
levels are not adhered to 
•  Different connector pin 
assignments 
Check your computer configuration: 
•  If the computer configuration corresponds with factory state, 
please contact your technical support team. 
•  If the computer configuration has changed, restore the 
original factory settings. Remove all third-party expansion 
cards, then restart the PC. If the error no longer occurs, the 
third-party expansion card was the cause of the fault. 
Replace this expansion card with a Siemens card or contact 
the card supplier.  
If the PC still crashes, contact your technical support team. 
PCIe Gen1 expansion card does 
not behave according to 
specification. 
1.  Remove the expansion card. 
2.  Set the respective setup parameter "PCIe Speed" 
permanently to "Gen1" in the "Advanced > PCI Express 
Configuration" menu, submenu "PCI Express Root Port #" of 
the BIOS Setup. 
3.  Set the respective setup parameter "PEG# - Gen X" 
permanently to "Gen1" in the "Advanced > Video 
Configuration" menu, submenu "Pci Expess Graphic" of the 
BIOS Setup. 
4.  Install the expansion card again.