System information

RX2520 M1 Upgrade and Maintenance Manual 183
Expansion cards and backup units
Ê Lift up the green locking handle on the FBU holder (1) while sliding the FBU
holder to the left as far as it will go (2).
I After that, the hooks on the air duct will rest in the wide ends of the
keyhole slots on the holder.
Ê Lift the FBU holder from the air duct (3).
Ê Pull the FBU cable through the gap in the air duct.
9.5.3.4 Concluding steps
Ê "Reassembling" on page 57
Ê "Connecting the server to the power source" on page 62
Ê "Switching on the server" on page 64
Ê If applicable, "Updating RAID controller firmware" on page 77.
Ê "Enabling SVOM boot watchdog functionality" on page 82
9.5.4 Replacing a FBU
V CAUTION!
Do not throw battery backup units into the trash can. Batteries must be
disposed of in accordance with local regulations concerning special
waste.
For further safety information, please refer to section "Environmental
protection" on page 45.
9.5.4.1 Preliminary steps
Ê "Locating the defective server" on page 47
Ê "Disabling SVOM boot watchdog functionality" on page 66
Upgrade and Repair Unit
(URU)
Hardware: 10 minutes
Tools: tool-less