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20 pin MiniFit Jr 5557-20 female (MOLEX 39-01-2200) connector layout
20 pin MiniFit Jr 5557-20 female (MOLEX 39-01-2200) connector
at the motherboard connector (top view)
Spare number: 278756-001

 

Pin
Number		 Pin
Name		 Description
1 12v  
2 5v  
3   missing cable
4 gnd  
5 5v  
6 gnd  
7 5v  
8 gnd  
9 3,3v

the measure

was 3,46v.

The rest 3,3v pins

gives 3,31v.
10 3,3v  
11 5v  
12 5v  
13 -5v  
14 gnd  
15 gnd  
16 gnd  
17   missing cable
18 gnd  
19 -12v  
20 3,3v  

 

Comment:

The rows of the socket are switched? Pin 11 is 12V. Confirmed with connection of 12V to fan pin and connection of 5V to USB.

Pinout status: +0 -1
According to 2 reports in our database (0 positive and 1 negative) the Compaq Deskpro 2000 PSU pinout may be incorrect.

Is this pinout
NO DIY devices
Source(s) of this and additional information: Personal measured voltages from my Compaq Deskpro 2000 PSU.
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