Dell 531 owner manual 105, Pin Number Signal name Wire Color Wire Size

Pin Number	Signal name	Wire Color	Wire Size
1	3.3 V	Orange	20 AWG
2	3.3 V	Orange	20 AWG
3	RTN	Black	20 AWG
4	5 V	Red	20 AWG
5	RTN	Black	20 AWG
6	5 V	Red	20 AWG
7	RTN	Black	20 AWG
8	POK	Gray	22 AWG
9	5 V AUX	Purple	20 AWG
10	+12 V	Yellow	20 AWG
11	+12 V	Yellow	20 AWG
12	3.3 V	Orange	20 AWG
13	3.3 V	Orange	20 AWG
14	-12 V	Blue	22 AWG
15	RTN	Black	20 AWG
16	PS_ON	Green	22 AWG
17	RTN	Black	20 AWG
18	RTN	Black	20 AWG
19	RTN	Black	20 AWG
20	OPEN
21	5 V	Red	20 AWG
22	5 V	Red	20 AWG
23	5 V	Red	20 AWG
24	RTN	Black	20 AWG

Removing and Installing Parts

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