Pinouts of Connectors

DELL ATX motherboard Power Supply connector pinout

layout
schematic diagram

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This non-standard ATX wiring is used on Dell systems dating from after September 1998 to the present.

20 pin MOLEX 39-29-9202 connector pin-out & layout
20 pin MOLEX 39-29-9202 connector  at the motherboard ?
wire side view:
 Color  Signal  Pin  Pin  Signal  Color
Gray PS_On 11 1 +5V Red
Black GND 12 2 GND Black
Black GND 13 3 +5V Red
Black GND 14 4 GND Black
White -5V 15 5 Power_Good Orange
Red +5V 16 6 +5VSB (standby) Purple
Red +5V 17 7 +12V Yellow
Red +5V 18 8 -12V Blue
KEY (blank) - 19 9 GND Black
Red +5V 20 10 GND Black

18 AWG is recommended for all wires except pin 11, which should be 22 AWG. For 300W configurations 16 AWG is recommended

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20 pin MOLEX 39-01-2200 connector pin-outs & layouts
20 pin MOLEX 39-01-2200 connector  at the cable?
Pinouts.ru > Pinouts of power supplyes >  Pinout of DELL ATX motherboard Power Supply connector and layout of 20 pin MOLEX 39-29-9202 connector and 20 pin MOLEX 39-01-2200 connector

Source(s): DELL ATX design
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