Configuring firmware   
3.4 "Advanced" tab 
  Firmware/BIOS description (SIMATIC IPC BX-56A, IPC BX-59A) 
22  Operating Instructions, 10/2023, A5E52427534-AA 
Firmware 
Value  Setting in 
Meaning 
Port Enable 
Control the PCI Express Root Port. 
Speed 
NOTICE: 
The PCIe max link speed configuration options might be different 
according to different Extension Module you are using. The 
display menu is subject to the actual using case. 
The number of milliseconds reference code will wait for link to 
exit. Detect state for enabled ports before assuming there is no 
device and potentially disabling the port. 
The input range is from 0 to 65535. 
PCI Express Slot (X303) 
NOTICE: PEC Express Slot (X303) is unavailable for IPC BX-56A. 
Device:xx 
Presented 
The PCIE bus device function is present or not. 
Port Enable 
Control the PCI Express Root Port. 
Speed 
NOTICE: 
The PCIe max link speed configuration options might be different 
according to different Extension Module you are using. The 
display menu is subject to the actual using case. 
The number of milliseconds reference code will wait for link to 
exit. Detect state for enabled ports before assuming there is no 
device and potentially disabling the port. 
The input range is from 0 to 65535. 
PCI Express Slot (X304) 
NOTICE: PEC Express Slot (X304) is unavailable for IPC BX-56A. 
Device:xx 
Presented 
The PCIE bus device function is present or not. 
Port Enable 
Control the PCI Express Root Port. 
Port Enable 
NOTICE: 
The PCIe max link speed configuration options might be different 
according to different Extension Module you are using. The 
display menu is subject to the actual using case. 
The number of milliseconds reference code will wait for link to 
exit. Detect state for enabled ports before assuming there is no 
device and potentially disabling the port. 
The input range is from 0 to 65535.