P7 Power Supply Connector

If you look carefully at the picture above you can see.

P7 power supply connector.

They connect the power supply to the motherboard on at baby at and lpx motherboards. Nothing goes where the jumpers are those are left exposed. Alternatively referred to as the at style connector p8 connector and p9 connector the p8 and p9 are ibm power connectors. Gpu video card power connectors this is a 6 or 8 pin power connector that feeds higher end gpu s whose power requirements are much too high to be fed through the motherboard slot.

Standard atx power supplies typically have the main power connector p1 additional 12v connectors as well as peripheral floppy drive serial ata and pci express receptacles which we will describe below. Basics on psu cables and where they plug in inside the computer. Get it as soon as thu oct 1. The original atx systems had 20 pin main connector p1.

Free shipping on your first order shipped by amazon. 4 6 out of 5 stars 217. The picture is an example of this connector. These supplies feature two main power connectors p8 and p9 each with 6 pins that attach the power supply to the motherboard.

Depending on the power supply the connector may contain one 12 volt rail in all 8 pins or two 12 volt rails taking up 4 pins apiece. All standard pc power supplies that use the p8 and p9 connectors have them installed end to end so that the two black wires ground connections on both power cables are next to each other. More buying choices 11 06 3 used new offers amazon s choice for atx power adapter. Plugging an atx power supply into ac power while the p1 connector is not connected to a load will destroy the power supply.

The 8 pin 12 volt cable is polarized so it can only be plugged into the 8 pin motherboard connector correctly. With the introduction of atx motherboards and power supplies were replaced by the atx style connector. For the operation basics of smps psu see our power supply tutorial.