ResultsIf you have other devices to install or remove, do so now. Otherwise, go to“Completing the installation” on page 154.Installing a SAS/SATA 8 Pac HDD optionUse this information to install a SAS/SATA 8 Pac HDD option.About this taskIf the server is a 16-drive-capable model with eight hard disk drive bays installed,you can install an IBM System x3650 M3 Hot-swap SAS/SATA 8 Pac HDD option.See http://www.ibm.com/systems/info/x86servers/serverproven/compat/us/ fora list of supported optional devices. To order a SAS/SATA 8 Pac HDD option,contact your IBM marketing representative or authorized reseller.The SAS/SATA 8 Pac HDD option kit contains the following components:v One 2.5-inch hard disk drive backplanev One SAS expander cardv Four M3 screwsv One remote battery cablev Eight blank EMC fillersv Four SAS signal cables (one cable has a right-angle connector)v One internal power cablev Two backplane bracketsTo install a 8-disk-drive optional hard disk drive backplane in a 16-drive-capableserver model, complete the following steps:Procedure1. Read the safety information that begins on page “Safety” on page v and“Installation guidelines” on page 37.2. Turn off the server and disconnect all power cords and external cables (see“Turning off the server” on page 23).3. Remove the server cover (see “Removing the cover” on page 45).4. Remove the two 4-drive filler panels that are to the right of drive bay 8,beneath the IDs 8 - 15 on the front bezel.72 System x3650 M3 Types 4255, 7945, and 7949: Installation and User’s Guide