Setting the maximum PCI-express speed


Power Profile is set to Custom.

  1. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Power Management > Advanced Power Options > Maximum PCI Express Speed and press Enter.
  2. Select a setting and press Enter.
    1. Maximum Supported—Configures the platform to run at the maximum speed supported by the platform or the PCIe device (whichever is lower.)
    2. PCIe Generation 1.0—Configures the platform to run at PCIe Generation 1.0, the lowest speed possible in the PCIe links.
  3. Press F10.