B&R Panel PC 2100 User Manual page 258

Software
4.1.6.5.1 PCI Express root port 0 to 3
Figure 155: Advanced - PCI Express configuration - PCI Express root port
BIOS setting Explanation
PCI Express root port x Option for enabling/disabling the PCI Express
root port.
PCIe x speed Option for setting the PCI Express transfer rate.
ASPM Active State Power Management
Option for configuring a power saving function
(L0s/L1) for PCIe devices if they do not require
full power.
Assign INT to root port Option for enabling/disabling the IRQ for the
root port.
Table 245: Advanced - PCI Express configuration - PCI Express root port
258
Configuration options Effect
Enabled
Enables the PCI Express root port.
Disabled Disables the PCI Express root port.
Auto Automatically sets the transfer rate.
Gen1 Maximum transfer rate = 2.5 GT/s.
Gen2 Maximum transfer rate = 5 GT/s.
Disabled
Disables this function.
L0s Enables the L0 energy saving function.
L0sL1 Automatic assignment of L0s or L1 power sav-
ing function by the PCIe device.
Auto Automatic assignment by BIOS and the operat-
ing system.
Enabled Enables this function.
Disabled Disables this function.
Panel PC 2100 user's manual V1.17