Lenovo System x3550 M4 Installation And Service Manual page 211

Step 3. Remove the RAID adapter battery or flash power module (see "Removing a RAID adapter battery
or flash power module" on page 193).
Step 4. Loosen the two screws from the system tray.
Figure 113. RAID adapter battery or flash power module holder removal
Step 5. Lift the holder up to remove it from the system tray.
If you are instructed to return the RAID adapter battery or flash power module holder, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to you.
Replacing a RAID adapter battery or flash power module holder
Use this information to replace a RAID adapter battery or flash power module holder.
To install a RAID adapter battery or flash power module holder, complete the following steps:
Step 1. Read the safety information that begins on "Safety" on page v and "Installation guidelines"
on page 31.
Step 2. Turn off the server and peripheral devices and disconnect all power cords and external devices;
then, remove the cover (see "Removing the cover" on page 189).
Step 3. Align the holder and place the holder on the system tray.
.
Chapter 6 Removing and replacing components
197