P7

1 2 3 4 5 6

+3.3 VDC (blue/white)

+3.3 VDC (blue/white)

+3.3 VDC (blue/white) common (black) common (black) common (black)

Figure 1-7. DC Power Connector P7

DC Power Distribution

Figures 1-8 and 1-9 provide the following information about DC power distribution:

Power-supply connector identification

Power cable connections for diskette, tape, CD-ROM, and hard-disk drives

Power distribution to sockets and connectors on the system board

P1

P4

P6

P7

P5

P3

P2

Figure 1-8. DC Power Cables

1-10 Dell OptiPlex GXpro Systems Service Manual

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Dell 100-Mbps manual DC Power Distribution, DC Power Connector P7