Optional-Device Problems - Lenovo ThinkSystem SD650 V3 User Manual

Cannot enter legacy mode after installing a new adapter
Complete the following procedure to solve the problem.
1. Go to UEFI Setup ➙ Devices and I/O Ports ➙ Set Option ROM Execution Order.
2. Move the RAID adapter with operation system installed to the top of the list.
3. Select Save.
4. Reboot the system and auto boot to operation system.
Cracked parts or cracked chassis
Contact Lenovo Support.

Optional-device problems

Use this information to solve problems related to optional devices.
• "Insufficient PCIe resources are detected" on page 235
• "A Lenovo optional device that was just installed does not work" on page 235
• "A Lenovo optional device that worked previously does not work now" on page 236
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
• 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.
https://serverproven.lenovo.com
).
.
Chapter 8 Problem determination
235