•  Read “Installation Guidelines” on page 35 and “Safety inspection checklist” on page 36 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 44. 
•  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- 
CTkyVDu-5Lhy1r9G-4PQGl
.
Procedure
Step 1.  Remove the top cover. See “Remove the top cover” on page 150.
Step 2.  Remove any components that may impede access to the internal CFF HBA/RAID adapter.
Step 3.  Disconnect all cables from the internal CFF HBA/RAID adapter. 
Step 4.  Lift the release pin, slightly slide the internal CFF HBA/RAID adapter as shown, and carefully lift it 
out of the chassis. 
Figure 46. Internal CFF HBA/RAID adapter removal
a.  Release the push pin on the internal CFF RAID adapter.
b. 
Move the adapter to the right and then lift it out of the chassis.
After you finish
If you are instructed to return the component or optional device, follow all packaging instructions, and use 
any packaging materials for shipping that are supplied to you.
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ThinkSystem SR645 V3 User Guide