Dell OptiPlex GXi, Service Manual

Page: 33 / 147

System Overview 1-15
Figure 1-13. DC Power Connectors P2 (Low-Profile) and P7
DC Power Distribution
Figures 1-14 through 1-19 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 1-14. DC Power Cables for the Low-Profile Computers
1 2 3 4
+3.3 VDC (blue/white)
common (black)
common (black)
5
P2, P7
6
+3.3 VDC (blue/white)
+3.3 VDC (blue/white)
common (black)
P5
P4
P3
P2
P1