Software
258
Panel PC 2100 user's manual V1.17
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
Configuration options
Effect
Enabled
Enables the PCI Express root port.
PCI Express root port x
Option for enabling/disabling 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.
PCIe x speed
Option for setting the PCI Express transfer rate.
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.
ASPM
Active State Power Management
Option for configuring a power saving function
(L0s/L1) for PCIe devices if they do not require
full power.
Auto
Automatic assignment by BIOS and the operat-
ing system.
Enabled
Enables this function.
Assign INT to root port
Option for enabling/disabling the IRQ for the
root port.
Disabled
Disables this function.
Table 245: Advanced - PCI Express configuration - PCI Express root port