This is the cable that attaches from the BOSS module to the motherboard on the Dell PowerEdge R750.
Part Category: Power
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R740 8 Bay SFF Backplane Power Cable 01XPP8
Power cable that runs from the backplane to the motherboard on the Dell PowerEdge R740 8 Bay SFF server.
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R640 Backplane Power Cable 0GWW87
This is the power cable for the backplane on the R640. One end plugs into the backplane and is routed to the rear left of the server to the JBP_1 connector as shown below:

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R640 10 Bay Expansion Board Power Cable 04RN89
On the R640 10 bay is an expansion board that sits in front of the backplane. This is the power cable that routes from the expansion board to the left rear of the chassis. It plugs into the J_BP2 power connector.
Installation:
On the cable itself is an end labeled EXP. This plugs into the expansion board. The other end plugs into the J_BP2 connector as show below. Connector is right below J_BP1. Note, cable not shown. Only the connector.

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R540 Power Distribution Board 0HN9P4
This board interfaces with the power supplies and distributes power to the motherboard and other components. It is screwed into the chassis with a single screw located on the bottom part of the chassis. You’ll see notches on the board that slot into the corresponding hooks to keep it in place.

