RX2530 M4 Upgrade and Maintenance Manual 253
Expansion cards and backup units
9.6 Flash backup unit (FBU)
The FBU backs up the memory contents of the RAID controller in the event of
a power failure. You can install one FBU.
Depending on the chassis (3.5-inch HDD chassis or 2.5-inch HDD chassis) the
installation in the FBU holder and the position for the FBU holder are different.
9.6.1 Installing an FBU in a 2.5-inch HDD chassis
9.6.1.1 Preliminary steps
Ê "Shutting down the server" on page 49
Ê "Disconnecting the power cord" on page 50
Ê "Getting access to the component" on page 52
Upgrade and Repair Unit
(URU)
Hardware: 15 minutes
Tools: Phillips PH1 / (+) No. 1 screw driver (for installing TFM
EP400i/EP420i)
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