Hotswitch panel pc
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HOTSWITCH PANEL PC INSTALL
If perchance you find yourself having to install something with a P7 connector, and it doesn't slip on easily, you probably have it on backwards. Consequently, many brand-new drives were immediately burned to a crisp the first time the computers in which they were installed were powered up. You're unlikely to need this one nowadays.Īlthough P7 connectors were keyed, they were also flimsy so it was very easy to force them on the wrong way.
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But there are exceptions.įloppy drives, older optical drives, and some other IDE and EIDE devices connected using an even smaller power connector called a P7, which is shown in this picture. They're usually located on the edge of the motherboard that will be closest to the front of the computer when the motherboard is installed. Unfortunately, there's no standardization regarding the exact location of the panel headers. That's why all the connectors for which polarity matters (mainly the LED's) are marked with a tiny "+" sign or arrow to identify the positive wire. That means it is possible to attach the leads in the wrong polarity. The front-panel leads connect to a bus on the motherboard marked with tiny text and polarity markings, when needed, because the headers are not keyed in any way. If the case has front-mounted USB ports or a card reader, there will be leads for those accessories, as well. The connectors usually include those for the power and reset switches, the power LED and hard drive activity LED's, and on some cases, the system speaker. Like any other unused adapters, if your power supply has one or more P4 leads that you don't need, tie them off out of the way of fans, other components, and metal parts.Įvery computer case comes with a set of wires usually called "front panel leads" that connects the motherboard to the LED's and switches on the front panel. Newer devices tend to use either a SATA power connector (because power supplies tend to come with an abundance of them), or the 6- or 8-pin GPU connector described earlier in this page. If you're in doubt, consult your motherboard's manual.įor a while, some other devices (especially high-powered video cards) also used a P4 connector to supply extra juice beyond what they could get from the expansion slots.
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As a general rule, if the motherboard has a socket for a P4 connection, it should be connected. Many motherboards designed for newer Intel and AMD processors also require the P4 lead. Some AMD Athlon processors also required the P4 lead. It was attached to a socket on the motherboard that usually was located very near the CPU. This connector got its start with the Intel Pentium 4 processor, which required an additional connector that wound up being called the P4 connector.