User Guide

©Copyright Lenovo 2022 9 ThinkSystem RAID 540-8i PCIe Gen4 12Gb Adapter
NOTE
Adapters with a x8 host interface can operate in x8 or x16 slots. However, some x16 PCIe slots support only
PCIe graphics cards; an adapter installed in one of these slots will not function. Refer to the guide for your
motherboard for information about the PCIe slots.
Figure 2: Installing an Adapter in a PCIe Slot
6. Configure and install the SAS and SATA devices in the host computer case.
Refer to documentation for the devices for any preinstallation configuration requirements.
7. Connect the adapter to the devices. Connect the appropriate cable with the connectors on one end to connect to the
adapter and the appropriate connector on the other end to attach to the backplane connector.
The maximum cable length is 1 meter (39.37 in.). A single wide-port SAS device cannot connect to phys controlled by
different SAS cores or PDBs.
Refer to ThinkSystem Server Documentation Center, select your product, and review the internal cable routing section
for detailed instructions.
8. Provide the required airflow for the installed adapter.
9. Turn on the power to the system. Reinstall the computer cover, and reconnect the AC power cords. Make sure
that the power is turned on to the storage devices before or at the same time that the power is turned on to the host