Figure 3. Connecting Cable Between The Raid Module And Drives/Backplane - Intel AXXRMS2AF080 Hardware User's Manual

Route SAS cables carefully.
Use only "straight" SAS cables, not "cross-over" SAS cables. .
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Figure 3. Connecting Cable between the RAID Module and Drives/Backplane

7. Install the server system cover and connect the power cords. See your server system
documentation for instructions.
Intel® Integrated RAID Module RMS2AF040 and RMS2AF080 Hardware User's Guide 9