Dell INSPIRON 531S Owner's Manual page 110

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
110
Removing and Installing Parts
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