2.  Reinstall the drive assembly to the server. See “Install the 2.5-inch rear drive assembly” on page 171.
3.  Complete the parts replacement. See 
“Complete the parts replacement” on page 215.
Remove the 7mm drive backplanes
Use this information to remove the 7mm drive backplanes.
About this task
Attention: 
•  Read 
“Installation Guidelines” on page 45 and “Safety inspection checklist” on page 46 to ensure that you 
work safely.
•  Power off the server and disconnect all power cords for this task.
•  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.
Watch the procedure 
A video of this procedure is available at YouTube: 
https://www.youtube.com/playlist?list=PLYV5R7hVcs- 
DrpxDWLMfgtXO4O6BVYTim
. 
Procedure
Note: Depending on the specific type, your backplanes might look different from the illustration in this topic.
Step 1.  Prepare your server. 
a.  Remove the top cover. See 
“Remove the top cover” on page 212.
b.  Remove all installed drives and fillers from the drive bays. See 
“Remove a 2.5-inch hot-swap 
drive” on page 99
.
c.  Record the cable connections for 7mm drives and then disconnect all cables from the 
backplanes. See 
Chapter 6 “Internal cable routing” on page 217 and “7mm drive backplane” 
on page 235
.If the cable connectors come with protective dust caps, make sure to remove 
them before plugging in.
d.  Remove the 7mm drive assembly from the rear chassis. See 
“Remove the 2.5-inch rear drive 
assembly” on page 169
.
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ThinkSystem SR635 V3 User Guide