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Flash power module cable
ServeRAID memory module
Flash power module
Figure 40. Cable installation
Note:
Make sure the flash power module is seated properly (see “Installing a RAID adapter battery
or flash power module” on page 54).
If you have other devices to install or remove, do so now. Otherwise, go to “Completing the installation”
on page 94.
Installing a RAID adapter battery or flash power module
When you install any RAID adapter that comes with batteries or flash power modules, it is sometimes
necessary to install the batteries or flash power modules in another location in the server to prevent the
batteries or flash power modules from overheating. The batteries or flash power modules must be installed
on top of the air baffle.
Important:
• The battery must recharge for at least 6 hours under normal operating conditions. To protect your data,
the ServeRAID controller firmware changes the write policy to write-through until the battery unit is
sufficiently charged. When the battery unit is charged, the ServeRAID controller firmware changes the
write policy to write-back.
• For brevity, in this documentation the Intelligent Battery Backup Unit (iBBU) is often referred to as the
battery
.
To install a RAID adapter battery or flash power module, complete the following steps:
Step 1.
Read the safety information that begins on “Safety” on page v and “Installation guidelines”
on page 34.
Step 2.
Turn off the server and peripheral devices and disconnect all power cords and external devices
(see “Turning off the server” on page 23).
Step 3.
Remove the cover (see “Removing the cover” on page 37).
Step 4.
Push the tab to open the cover on top of the air baffle.
54
Lenovo System x3650 M4 HD Installation and Service Guide
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