Internal Cabling Diagrams 10-3Installing Additional 3.5-inch HDD CageThe figure below shows an example when five or more hard disk drives are to be connected. One ofthe connectors on Internal RAID Controller (PCIe #6) is connected to the additional HDD cage.(IDE device)Optical disk drive5.25-inchdevice bay3.5-inch harddisk drive bayHard disk drivesare optional.Mother boardSAS cable IDE cablePCIe #5PCIe #4PCI-e #3PCI #2PCI-X #1PCIe #6IDEID3ID2ID1ID0Internal RAIDcontrollerID7ID6ID5ID43.5-inch HDDcage (option)