Nvdimm Battery Cable Routing; System Battery; Replacing System Battery - Dell EMC PowerEdge R940 Installation And Service Manual

NVDIMM battery cable routing

Figure 99. Cable routing – NVDIMM battery cables
1. NVDIMM battery
2. battery cable connecting J_NVDIMM_BATT connector on the system board
3. batter power cable connecting BATT_PWR connector on the system board
NOTE: For information about system board connectors, see

System battery

Replacing system battery

Prerequisites
NOTE: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or
equivalent type recommended by the manufacturer. For more information, see the safety information that is shipped with
you system.
1. Follow the safety guidelines listed in
2. Follow the procedure listed in
3. Remove the air shroud.
4. If applicable, disconnect the power or data cables from expansion card(s).
5. If installed, remove the expansion card
6. If installed, remove the
Steps
1. Locate the battery socket. For more information on locating the system battery, see the
connectors section.
CAUTION: To avoid damage to the battery connector, you must firmly support the connector while installing
or removing a battery.
Safety instructions
Before working inside your system
risers.
PEM.
System board jumpers and connectors
on page 29.
on page 30.
Installing and removing system components
on page 129.
System board jumpers and
115