10-4 Internal Cabling DiagramsTo build a disk array, at least two hard disk drives are required. Use the SATA cables provided withthe disk array controller (SATA) for the connection. Remove the cables connected to the hard diskdrives and save them carefully.IMPORTANT: Use hard disk drives with the same capacity andperformance.To indicate the access status of the internal hard disk drives, connect the LED cable provided withthe server to the LED connector on the mother board and the disk array controller (SATA).The RAID configuration utility and RAID management utility are attached to the optional board.Refer to the manual that comes with the optional board for detail instruction.