Memory module installation rules and order Memory modules must be installed in a specific order based on the memory configuration that you implement and the number of processors and memory modules installed in the server.
Technical rules Refer to the below technical rules and limitations when you install the related server components.
Front riser assembly replacement A complete front riser assembly consists of two front riser cages, two front riser cards and two PCIe adapters. See this topic to understand how to remove and assemble a front riser assembly.
Front OCP module and OCP interposer card replacement Some server models support the front OCP module. The front OCP module and the front and rear OCP interposer cards are codependent. Follow instructions in this section to remove and install the front OCP module and the front and rear OCP interposer cards.
Hot-swap drive replacement Use this information to remove and install a hot-swap drive. You can remove or install a hot-swap drive without turning off the server, which helps you avoid significant interruption to the operation of the system.
RAID flash power module replacement The RAID flash power module protects the cache memory on the installed RAID adapter. You can purchase a RAID flash power module from Lenovo. Use this information to remove and install a RAID flash power module.