Dell OptiPlex 320 - Page 104

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DC Power Connector P2
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DC Power Connectors P3 and P5
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DC Power Connector P4
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DC Power Connector P7
18
GND
Black
19
GND
Black
20
NC
N/C
21
+5 VDC
Red
22
+5 VDC
Red
23
+5 VDC
Red
24
GND
Black
*Use 22-AWG wire instead of 18-AWG wire.
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Pin Number
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Signal Name
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18-AWG Wire
1
GND
Black
2
GND
Black
3
+12 VDC
Yellow
4
+12 VDC
Yellow
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Pin Number
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Signal name
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18-AWG Wire
1
+3.3 VDC
Orange
2
GND
Black
3
+5 VDC
Red
4
GND
Black
5
+12 VDC
White
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Pin Number
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Signal name
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18-AWG Wire
1
N/C
N/C
2
GND
Black
3
GND
Black
4
+ 3.3 VDC
Orange
5
+5 VDC
Red
6
+12 VDC
White