Lenovo System x3550 M4 Installation And Service Manual page 215

Removing a RAID adapter battery or flash power module holder
Use this information to remove a RAID adapter battery or flash power module holder.
If a RAID adapter battery or flash power module is installed remotely near the fan cage and you need to
replace it, 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; then, remove the cover
(see "Removing the cover" on page 194).
Step 3. Remove the RAID adapter battery or flash power module (see "Removing a RAID adapter battery or
flash power module" on page 197).
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.
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Chapter 6 Removing and replacing components
201