Figure 68. Installing the front adapter assembly
a.  Insert the front adapter assembly into the front chassis.
b. 
Install the screws to secure the front adapter assembly in place.
Step 6.  Connect the cables to the system board assembly and the rear OCP interposer card. See 
Chapter 
6 “Internal cable routing” on page 281
.
Step 7.  Install the system fan cage. See 
“Install the system fan cage” on page 270.
Step 8.  Install system fans. See 
“Install a system fan” on page 266.
Step 9.  Install the riser 1 assembly if you have removed it. See 
“Install a rear riser assembly” on page 242.
After you finish
Complete the parts replacement. See 
“Complete the parts replacement” on page 279.
Front drive backplane replacement
Follow instructions in this section to remove and install a front drive backplane.
• 
“Remove the front 2.5-inch drive backplane” on page 110
•  “Install the front 2.5-inch drive backplane” on page 113
•  “Remove the front 3.5-inch drive backplane” on page 116
•  “Install the front 3.5-inch drive backplane” on page 118
Remove the front 2.5-inch drive backplane
Follow instructions in this section to remove the front 2.5-inch drive backplane.
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ThinkSystem SR665 V3 User Guide