9.8.4 Replacing an FBU
Upgrade and Repair Unit
(URU)
Hardware: 15 minutes
Tools: Phillips PH2 / (+) No. 2 screw driver (for housing cover)
CAUTION
▶
Dispose of used battery properly. Keep away from children.
▶
Do not throw flash backup units into the trash can. Batteries must
be disposed of in accordance with local regulations concerning
special waste.
Preliminary steps
▶
"Shutting down the server" on page
45.
▶
"Disconnecting the power cord" on page 46.
▶
"Getting access to the component" on page 47.
▶
Remove the air duct from the top system board, see "Removing the CPU
air duct" on page 72.
▶
"Removing the fan cage" on page 69.
▶
"Removing the FBU carrier" on page 227.
Removing the defective FBU
▶
Remove the FBU with the holder, see "Removing an FBU" on page 233.
▶
Remove the FBU from the holder.
Installing the new FBU
▶
Install the FBU in the holder and connect the FBU cable to the FBU, see
"Preparing the FBU" on page 225.
▶
Install the FBU with the holder, see "Installing the FBU" on page 228.
Expansion cards and backup units
RX4770 M5 Upgrade and Maintenance Manual 237
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