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PC Interfaces 101

Power Connectors And ATX Standards

The various types of power connections are shown in the following tables and illustrations.

Peripheral device connector

AMD
Socket 462
Power Supply StandardATX12V 1.3 or higher
ATX plug20-pin
AUX plug (6-pin)not used
P4 connector (4-pin 12V)rarely used
Socket 754
Power Supply StandardATX12V 1.3 or higher
ATX plug20-pin, sometimes 24-pin
AUX plug (6-pin)not used
P4 connector (4-pin 12V)sometimes needed
Socket 939
Power Supply StandardATX12V 1.3 or higher
ATX plug20-pin, sometimes 24-pin
AUX plug (6-pin)not used
P4 connector (4-pin 12V)sometimes needed
Intel
Socket 370
Power Supply StandardATX12V 1.3 or higher
ATX plug20-pin
AUX plug (6-pin)rarely used
P4 connector (4-pin 12V)rarely used
Socket 423
Power Supply StandardATX12V 1.3 or higher
ATX plug20-pin
AUX plug (6-pin)rarely used
P4 connector (4-pin 12V)needed
Socket 478
Power Supply StandardATX12V 1.3 or higher
ATX plug20-pin
AUX plug (6-pin)not used
P4 plug (4-pin 12V)needed
Socket 775
Power Supply StandardATX12V 2.01 or higher
ATX plug24-pin, sometimes 20-pin
AUX plug (6-pin)n/a
P4 plug (4-pin 12V)needed
P4 plug (8-pin 12V)945X chipset (DualCore) or higher often needs this connection

ATX plug with 24 pins (Extented ATX)

20-pin ATX motherboard connector

20-pin ATX cable

6-pin EPS connector

  • All of the captions are attached to the wrong pictures.
    Ugh.

    *PLEASE* leave a few blank lines between.
    Reply