Ê If applicable, install the riser module 2 as described in section "Installing the
riser module 2 (FL)" on page 226.
9.6.6.4 Connecting cables to the expansion card
Ê If applicable, connect internal cables to the expansion card.
I For a complete cabling overview, please refer to section "List of used
cables" on page 411.
9.6.6.5 Connecting a battery backup unit to the expansion card
Ê If applicable, connect a FBU to the GPGPU card (riser module 1) as
described in section "Installing the FBU" on page 216.
Ê If applicable, connect a FBU to the GPGPU card (riser module 1) as
described in section "Installing the FBU (riser module 2)" on page 229.
9.6.6.6 Concluding steps
Ê "Reassembling" on page 61
Ê Reconnect all external cables to the replaced expansion card.
Ê "Connecting the server to the power source" on page 66
Ê "Switching on the server" on page 67
Ê "Enabling replaced components in the system BIOS" on page 86
Ê If applicable,"Updating RAID controller firmware" on page 81.
Ê "Enabling SVOM boot watchdog functionality" on page 86
Ê "Enabling BitLocker functionality" on page 92
9.7 Backup Units
9.7.1 Basic information
The Flash Backup Unit (FBU) backs up the memory contents of the connected
SAS RAID controller in the event of a power failure. The PRIMERGY
RX2540 M1 server can accommodate up to two backup units.
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