Remove a rear PCIe adapter
Follow instructions in this section to remove a rear PCIe adapter.
About this task
Attention: 
•  Read 
“Installation Guidelines” on page 47 and “Safety inspection checklist” on page 48 to ensure that you 
work safely.
•  Power off the server and peripheral devices and disconnect the power cords and all external cables. See 
“Power off the server” on page 62.
•  Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static- 
sensitive components in their static-protective packages until installation, and handling these devices with 
an electrostatic-discharge wrist strap or other grounding system.
•  Before you remove any component of a RAID array (drive, RAID card, etc.), back up all RAID configuration 
information.
Procedure
Step 1.  Make preparation for the task. 
a.  If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the 
top cover, or remove the server from the rack. See 
“Remove the server from rack” on page 63.
b.  Remove the top cover. See “Remove the top cover” on page 277.
c.  Remove the riser assembly. See 
“Remove a rear riser assembly” on page 232.
Step 2.  Remove the PCIe adapter from the riser assembly. 
•  Riser 1/2/3 assembly
Figure 205. Removing the PCIe adapter from riser 1 or 2 assembly
236 ThinkSystem SR665 V3 User Guide