1. Installing Internal Optional DevicesExpress5800/R110f-1E User’s Guide 65Chapter 2 Preparations(c) InstallationFor the instruction of installing the optional RAID Controller (N8103-171/149/150/151/152), refer to Chapter 2(1.12 PCI Card).Important When connecting a RAID Controller, set the boot priority to 8th or higher inthe Boot menu of the BIOS Setup utility. If the setting is 9th or lower, theconfiguration menu for RAID Controllers cannot be launched.(d) RemovalTo remove the optional RAID Controller (N8103-171/149/150/151/152), reverse the installation procedure.If you intend to use with the card removed, be sure to attach the slot cover attached to the riser card. The slotcover must be screwed into place.