Removing and replacing a riser board PrerequisitesT-15 Torx screwdriver Procedure Power down the server. Remove all power: Disconnect each power cord from the power source. Disconnect each power cord from the server. Do one of the following: Extend the server from the rack. Remove the server from the rack. Remove the access panel. Remove the riser cage. If installed, remove the expansion board from the riser cage. Remove the riser board. Primary riser cage Secondary riser cage To replace the component, reverse the removal procedure.