Dell Vostro 420 Service Manual page 41

DC Power Connector P1
Pin Number Signal name
1 3.3 V
2 3.3 V
3 RTN
4 5 V
5 RTN
6 5 V
7 RTN
8 POK
9 5 V AUX
10 +12 V
11 +12 V
12 3.3 V
13 3.3 V
14 -12 V
15 RTN
16 PS_ON
17 RTN
18 RTN
19 RTN
20 OPEN
21 5 V
22 5 V
23 5 V
24 RTN
DC Power Connector P2
Pin Number Signal Name
1 GND
2 GND
3 +12 VADC
4 +12 VADC
DC Power Connectors P3, P4, P5, P6, P7, and P8
Pin Number Signal name
1 +3.3 VDC
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Wire Color Wire Size
Orange 20 AWG
Orange 20 AWG
Black 20 AWG
Red 20 AWG
Black 20 AWG
Red 20 AWG
Black 20 AWG
Gray 22 AWG
Purple 20 AWG
Yellow 20 AWG
Yellow 20 AWG
Orange 20 AWG
Orange 20 AWG
Blue 22 AWG
Black 20 AWG
Green 22 AWG
Black 20 AWG
Black 20 AWG
Black 20 AWG
Red 20 AWG
Red 20 AWG
Red 20 AWG
Black 20 AWG
18-AWG Wire
Black
Black
Yellow
Yellow
18-AWG Wire
Orange
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