Siemens SIMATIC IPC677D - Page 28

BIOS Setup (SCU)
3.4 Advanced menu
BIOS Description
28 Operating Manual, 05/2016, A5E33664825-AB
"PCI Express (Slot) Configuration" submenu
Parameter
Meaning
PCI Express Root Port 5
PCI Express Root Port 6
1
PCI Express Root Port 7
1
PCI Express Root Port 8
1
Submenus
"PCI Express Root Port #" submenu
PCI Express Root Port # Enable (Enabled) or disable (Disabled) the respective port for the
expansion card.
The following Setup parameter is visible if the respective "PCI Express Root Port #" is enabled:
• PCIe Speed
Auto
Automatically determines the optimum speed for the
installed PCIe expansion card.
Gen1 Reduces the speed according to Gen1 specification.
Compatibility setting for expansion cards that do not react
stably according to specification.
Gen2 Reduces the speed according to Gen2 specification.
Compatibility setting for expansion cards that do not react
stably according to specification.
1
With Rack PC depending on the bus module used