Upgrading Your Server 9-11The port numbers are factory-assigned as PORT0 to PORT3 from bottom to top bay.The hard disk drive bays are connected with Internal RAID Controller (equivalent to N8103-116).Use WebBIOS or Universal RAID Utility to build, configure, and manage the RAID System. See"RAID System Configuration" in Chapter 4 and "Universal RAID Utility" in Chapter 6. In addition,you may use Express Setup to configure the RAID System. See Chapter 5 for details.IMPORTANT: Use the dummy tray dedicated to the HDD cage. The purpose of a dummy tray is to increase the cooling effect in theserver. Install a dummy tray in slots not containing a hard diskdrive.