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
1234
+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