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Pentium 4 PSU

Power supplies must comply with either the ATX12V or SFX12V design guidelines and supply additional current on the 12V power rail through a new 2×2 connector.

20-pin

All Pentium 4 processor-based systems require the standard 2×10, 20-pin ATX power connector …

2x2

… as well as the 2×2, 4-pin 12V connector.

1x6

Also, additional 3.3V and 5V current is supplied through a separate 1×6 connector, on the ATX12V power supplies (SFX12V power supplies do not have the separate 1×6 connector).

 

Some motherboards may also require this additional power source for fully loaded system configurations.

 

Filed Under: How to Install a Pentium 4 CPU

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