Front Panel Connector: P3 vs P4 MB Compatibility

  • Thread starter UrbanXrisis
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In summary, P3 and P4 are two different types of front panel connectors used in computer motherboards. P3 is the older type, with a 34-pin design, while P4 is the newer type, with a 40-pin design. P3 connectors are not compatible with P4 motherboards, as they have different pin layouts and functions. P4 connectors are typically used for audio and USB connections, while P3 connectors are used for legacy devices such as floppy drives. It is important to ensure compatibility between the front panel connector and the motherboard in order to successfully connect and use front panel features.
  • #1
UrbanXrisis
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I was wondering, would the front panel connector be different for a P3 and P4 motherboard? I noticed that the p3 had 2x9 pins while the p4 has 2x10. The wiring must be different then, but if I got a p4 motherboard, would I have to get a new case too? I have an ATX case for my p3 and it has wires that connect form the case to the MB are for: power LED, Power swtich, speaker, HDD LED, and reset button. If I order this more modern MB (http://www.pcrapids.com/details.php?ItemNum=358), will it allow me to connect these wires to motherboard? Or must I buy a new case?
 
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  • #2
I think it really depends on the motherboard manufacturer...
 
  • #3

The front panel connector for a P3 and P4 motherboard will indeed be different. As you mentioned, the P3 has a 2x9 pin connector while the P4 has a 2x10 pin connector. This is because the P4 motherboard has an additional pin for a new power management feature.

If you were to upgrade to a P4 motherboard, you would most likely need to get a new case as well. The wiring for the front panel connectors would not be compatible with the P4 motherboard. Additionally, the P4 motherboard may have different mounting holes and form factor than your current ATX case.

In regards to the specific motherboard you mentioned (http://www.pcrapids.com/details.php?ItemNum=358), it does not have a standard front panel connector. Instead, it has a set of headers for each individual front panel function (power LED, power switch, speaker, etc). This means that you would need to manually connect each wire from your case to the corresponding header on the motherboard. It is important to consult the motherboard manual for the correct wiring configuration.

In conclusion, if you are planning on upgrading to a P4 motherboard, it is recommended to also get a new case to ensure compatibility and avoid any potential issues with wiring. However, if you are comfortable with manually connecting the front panel wires to the headers on the motherboard, you may be able to use your current case with some modifications.
 

1. What is a front panel connector (P3/P4) on a motherboard?

A front panel connector is a set of pins on a motherboard that connects the front panel of a computer case to the motherboard. It allows the front panel buttons and ports, such as power button, USB ports, and audio jacks, to function properly.

2. What is the difference between P3 and P4 front panel connectors?

P3 and P4 front panel connectors are different in terms of the number of pins and their layout. P3 connectors usually have 10 pins, while P4 connectors have 14 pins. They also have a different pin arrangement, so they are not compatible with each other.

3. Can I use a P3 front panel connector on a P4 motherboard?

No, you cannot use a P3 front panel connector on a P4 motherboard. The pins and layout are different, so they are not compatible. It is important to use the correct front panel connector for your motherboard to ensure proper functionality.

4. How do I know if my motherboard has a P3 or P4 front panel connector?

You can check the manual of your motherboard or look at the pins on the front panel connector itself. P3 connectors usually have 10 pins arranged in two rows of 5, while P4 connectors have 14 pins arranged in two rows of 7.

5. What should I do if my front panel connector does not match my motherboard's connector?

If your front panel connector does not match your motherboard's connector, you can purchase an adapter or an extension cable that can convert the pins from one type to another. However, make sure to check compatibility before purchasing any adapters or cables.

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