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Optional-device problems

Use this information to solve problems related to optional devices.

Insufficient PCIe resources are detected​

If you see an error message stating “Insufficient PCI Resources Detected,” complete the following steps until the problem is resolved:

  1. Press Enter to access System Setup Utility.

  2. Select System Settings > Devices and I/O Ports > MM Config Base; then, modify the setting to increase the device resources. For example, modify 3 GB to 2 GB or modify 2 GB to 1 GB.

  3. Save the settings and restart the system.

  4. If the error recurs with the highest device resource setting (1GB), shutdown the system and remove some PCIe devices; then, power on the system.

  5. If the reboot failed, repeat step 1 to step 4.

  6. If the error recurs, press Enter to access System Setup Utility.

  7. Select System Settings > Devices and I/O Ports > PCI 64–Bit Resource Allocation, then; modify the setting from Auto to Enable.

  8. If the Boot Device does not support MMIO above 4GB for Legacy Boot, use UEFI Boot Mode or remove/disable some PCIe devices.

  9. Contact Lenovo technical support.

A Lenovo optional device that was just installed does not work​

  1. Make sure that:

    • The device is supported for the server (see Lenovo ServerProven website).

    • You followed the installation instructions that came with the device and the device is installed correctly.

    • You have not loosened any other installed devices or cables.

    • You updated the configuration information in the Setup utility. Whenever memory or any other device is changed, you must update the configuration.

  2. Reseat the device that you have just installed.

  3. Replace the device that you have just installed.

A Lenovo optional device that worked previously does not work now​

  1. Make sure that all of the cable connections for the device are secure.

  2. If the device comes with test instructions, use those instructions to test the device.

  3. If the failing device is a SCSI device, make sure that:

    • The cables for all external SCSI devices are connected correctly.

    • Any external SCSI device is turned on. You must turn on an external SCSI device before you turn on the server.

  4. Reseat the failing device.

  5. Replace the failing device.