Dell OptiPlex NX1 - Manual (Page 37)

System Overview 1-25
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Figures 1-18 through 1-22 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
1 2 3 4
+5 VDC (red)
common (black)
common (black)
+12 VDC (yellow)
1 2 3 4
+5 VDC (red)
common (black)
common (black)
+12 VDC (yellow)
P2, P3, P5, P6, P9
P4
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)