Dell OptiPlex GL Service Manual - Page 18
DC Power Distribution, DC Power Connector P7, DC Power Cables
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P7 1 2 34 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 P4 P6 P5 P3 P1 P7 P2 Figure 1-8. DC Power Cables 1-10 Dell OptiPlex GXpro Systems Service Manual
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1-10
Dell OptiPlex GX
pro
Systems Service Manual
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
Figure 1-8.
DC Power Cables
1
2
3
4
+3.3 VDC (blue/white)
common (black)
common (black)
5
P7
6
+3.3 VDC (blue/white)
+3.3 VDC (blue/white)
common (black)
P7
P6
P5
P4
P3
P2
P1