Connecting the front panel USB to the motherboard

First, we find the USB connector on the motherboard, usually it is located at the bottom of the motherboard and is signed with the inscription F_USB or USB. Also on each wire connector (Fig 0) you can read its value, which can be 5V (or VCC or Power), D, D. and GND.

Fig 0. USB polarity.

Next, you just need to install each of the wires (5V, D, D. and GND) in the right place on the motherboard, as shown in Figure 4.2.

Figure 1. Connecting the USB 2.0 front panel to the motherboard. Fig 2. Connecting the USB 3.0 front panel to the motherboard. Fig 3. Connecting USB 2.0 to the motherboard.

Asus p5k epu front panel connection

Most inexperienced computer users find that connecting the front panel of the computer case, which contains the power and restart buttons, as well as USB inputs and audio outputs, to the motherboard is a difficult and difficult task.

But, as often happens, after spending 5 minutes studying the issue, everything becomes clear and very doable. In this article, we will look at the sequence of steps that must be performed to successfully and correctly connect the front panel to the motherboard, be it a motherboard from Asus, Gigabyte, Asrock, MSI, or others.

Option one

On your motherboard, all the contacts are signed and you simply put the chips on the contacts, observing the corresponding names and polarity. Polarity is important for HDD LED (IDE LED) and Power LED. On the board, the positive contact is labeled as “”, and on the chip, the positive contact is a colored wire (different from white and black). Or if all the wires from the front panel are black, then “” will also be signed on them.

Polarity and. when PLED and HDLED are connected

asus, front, panel, connection

Even if you mix up the polarity, then nothing terrible will happen. It’s just that when you turn it on, the power button will not light up and the hard disk activity LED will not blink. In this case, simply turn the non-working chip upside down on the mat contacts. boards to reverse polarity.

Step 3. Connect the front panel connectors to the corresponding connectors on the motherboard

Further, there are 2 possible options for the development of the situation.

Option two

The contacts on the motherboard are not signed, as in the photo below.

Unsigned front panel connection pins on motherboard

In this case, you need to determine the model of your motherboard, find it on the Internet and look at the documentation on the pinout of the contacts of buttons, indicators, USB and audio outputs.

Instructions with a diagram of connecting the front panel to the motherboard

Connecting Front Audio Outputs and Microphone

peculiarities of observing polarity when connecting the front panel

Connecting the front USB inputs to the motherboard

ASUS P5K. Часть 1 я

Step 1. find the cables going from the front panel to the mat. board

These are the same cables that we will connect to the corresponding connectors on the motherboard. The peculiarity of these very cables, along which they can be found among other wires in the case of the system unit, is the inscriptions at the ends of their connectors:

  • Power SW (PWRBTN). Computer power button;
  • Reset SW (Reset). Reset button;
  • HDD LED (IDE LED) (HDLED). hard disk activity indicator;
  • Power LED (PLED). Computer power on indicator;
  • USB1.USBn. USB ports on the front panel;
  • Speaker (SPK). System speaker (speaker);
  • AUDIO (Mic, SPK L, SPK R, GND) (AAFP). Front panel headphone and microphone outputs.

System unit front panel connectors

asus, front, panel, connection

For those whose Power LED consists of 2 chips for 2 and 3 pins (as in the figure above), the rationale is as follows: on some motherboards, the POWER LED connection connector (computer power on indicator) is made on 3 pins (the middle one is not used ), and on some two. Therefore, in your case, you need to use either one Power Led chip or another.

Asus p5k connection instructions

Most inexperienced computer users find that connecting the front panel of the computer case, which contains the power and restart buttons, as well as USB inputs and audio outputs, to the motherboard is a difficult and difficult task.

But, as often happens, after spending 5 minutes studying the issue, everything becomes clear and very doable. In this article, we will look at the sequence of steps that must be performed to successfully and correctly connect the front panel to the motherboard, be it a motherboard from Asus, Gigabyte, Asrock, MSI, or others.

Alexander

The site is dated 2018, and fragments of mothers with connectors and other elements are 10 years old ;-(

Step 3. Connect the front panel connectors to the corresponding connectors on the motherboard

Further, there are 2 possible options for the development of the situation.

Option two

The contacts on the motherboard are not signed, as in the photo below.

Unsigned front panel connection pins on motherboard

In this case, you need to determine the model of your motherboard, find it on the Internet and look at the documentation on the pinout of the contacts of buttons, indicators, USB and audio outputs.

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Instructions with a diagram of connecting the front panel to the motherboard

Connecting Front Audio Outputs and Microphone

peculiarities of observing polarity when connecting the front panel

Connecting the front USB inputs to the motherboard

Step 2. find the pins on the motherboard for connecting the front panel

It is worth noting that the connection of the power buttons, restart, the hard drive indicator and the computer power indicator, as well as the speaker (F_Panel) is one group of connectors (1 in the figure below), the connection of the front USB (USB) is another group (2 in the figure below ) and headphone jacks with microphone (AAFP). the third (3 in the figure below).

On the motherboard, they are located something like this:

Location of connectors on the motherboard for connecting the front panel of the system unit

Stage 4

Connecting sound (headphones / microphone) on the front panel is identical to the previously described processes.

Take the plug from the front panel with the name AC97 or HDAUDIO and insert it into the connector with the corresponding inscription:

If the sound still does not appear, the problem may be in the BIOS. After rebooting the computer and “getting” into the BIOS, you should check the front panel and its characteristics. Sometimes it happens that the HDAUDIO plug is connected, and the BIOS recognized the connected device as AC 97. This defect is solved by changing the wrong driver in the BIOS to the one connected in the motherboard.

Step 2. find the pins on the motherboard to connect the front panel

It is worth noting that the connection of the power, reset buttons, the hard drive indicator and the computer power indicator, as well as the speaker (F_Panel) is one group of connectors (1 in the figure below), the connection of the front USB (USB) is another group (2 in the figure below) ) and headphone jacks with microphone (AAFP). the third (3 in the figure below).

On the motherboard, they are located something like this:

Location of connectors on the motherboard for connecting the front panel of the system unit

Option one

On your motherboard, all the contacts are signed and you simply put the chips on the contacts, observing the corresponding names and polarity. Polarity is important for HDD LED (IDE LED) and Power LED. On the board, the positive contact is labeled as “”, and on the chip, the positive contact is a colored wire (different from white and black). Or if all the wires from the front panel are black, then “” will also be signed on them.

Polarity and. when PLED and HDLED are connected

Even if you mix up the polarity, then nothing terrible will happen. It’s just that when you turn it on, the power button will not light up and the hard disk activity LED will not blink. In this case, simply turn the non-working chip upside down on the mat contacts. boards to reverse polarity.

Alexander

The site is dated 2018, and fragments of mothers with connectors and other elements are 10 years old ;-(

Hello! In this article, I will clearly show how to properly connect the buttons (POWER, RESET) and front panel devices (F_PANEL, F_AUDIO and F_USB). It’s not tricky, but it’s worth your attention. In the beginning, a couple of tips: I will clearly analyze this case on an old motherboard from Gigabyte, model GA-945GCM-S2C. I must say right away. I drew the connection diagrams exclusively for this article and for a specific example, the colors of the wires you will have will differ. The main thing is to understand the meaning of the connection and implement (check) on your PC.

This picture shows the motherboard connectors for connecting connectors.

Basically (there are exceptions) under the connectors, the order of connecting the connectors and the polarity are written in small print. In my case, it says:

PWR_LED (three connectors). indication of the included computer;

HD- (IDE_LED, HDD_LED). hard disk access LED;

SPEAK- (SPEAKER). the same signal (s) that the computer emits when turned on, if an error is detected.

Как подключить разъёмы передней панели к материнской плате?

Each connector has two wires:

In this case, white is a minus “-” or Ground. and colored “”. The SPEAKER connector (black, red) has a black “”, and a red “-“. To determine the polarity of the connectors, it is enough to turn it over to the back side. we see on opposite one of the wiring a small black triangle. this is “”.

We proceed to the next stage, connecting the front additional USB. connectors and a card reader to the F_USB2 and F_USB1 connectors (there is no difference, but it is better to start in order). If the connector is already “soldered”, i.e. all wiring is collected in one block. the process is greatly simplified.

We simply plug this “big” connector consisting of: eight wires, one empty and one soldered connector (ten in total) so that the EMPTY connector matches the SEALED socket in the connector. (see screenshots)

But, if you have a bundle of wires as in the picture, I will draw a visual diagram 🙂

Here we see: POWER (Power. 2 pcs.), GND (Ground. “ground” 2 pcs.), D3 (plus), D3- (minus) for one USB port and D2 (plus), D2- (minus) for another port. As you may have guessed, the two POWER connectors are identical and can be interchanged, just like GND. The main thing is not to confuse the places of POWER and GND.

So now it remains to figure out how to connect the F_AUDIO connectors for the microphone and headphones.

Again, if you are lucky and there is a large 10-slot connector from the front panel, just insert it (you definitely can’t go wrong here). I have a more interesting case. ) And, these are the connectors: SPK R (right channel output to the front panel), SPK L (left channel output to the front panel), MIC (microphone output to the front panel) and GND.

That’s all connected. Thank you for your attention, good luck.

If you have different wires, names of connectors (pads), etc. etc. do not be lazy, download the manual (manual) from the official website of the manufacturer of your motherboard and there you will find 99% of the connection diagrams for all F_PANEL, F_AUDIO and F_USB.

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The front panel on the case of the system unit has nothing to do with the rest of the “insides” of the computer. This means that if you manually disconnect it for cleaning or, which is a little more difficult, when replacing the motherboard, you will have to connect the front panel yourself. The following will describe in detail how to do this as correctly as possible.

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Step 1. find the cables going from the front panel to the mat. board

These are the same cables that we will connect to the corresponding connectors on the motherboard. The peculiarity of these very cables, along which they can be found among other wires in the case of the system unit, is the inscriptions at the ends of their connectors:

  • Power SW (PWRBTN). Computer power button;
  • Reset SW (Reset). Reset button;
  • HDD LED (

System unit front panel connectors

For those whose Power LED consists of 2 chips for 2 and 3 pins (as in the figure above), the rationale is as follows: on some motherboards, the POWER LED connection connector (computer power on indicator) is made on 3 pins (the middle one is not used ), and on some two. Therefore, in your case, you need to use either one Power Led chip or another.

Step 3. Connect the front panel connectors to the corresponding connectors on the motherboard

Further, there are 2 possible options for the development of the situation.

Let’s start

First of all, let’s look at the model of the Gigabyte B450M DS3H motherboard with socket AM4 for connecting AMD processors. This motherboard is quite popular for cheap Ryzen builds, which means the example will be relevant.

The most common place for front panel connection pins is at the very bottom of the board. Let’s see the connection on this board.

  • USB 2.0 (there are two connectors on the board. If there is one cord, then plug into any of them)
  • USB 3.0
  • Power Led
  • HDD Led
  • Power SW
  • Reset SW
  • CI (intrusion switch, not as common as the rest)
  • Speaker

The most attentive of you may have already noticed the lack of an HD Audio jack, but don’t worry. It’s just that it is located in another part of the board, specifically on the left.

The official documentation tells us the same thing that I told you too.

Notice that there is an or symbol next to the pin title. Observe polarity and connect only similar signs. The polarity signs are indicated on the plugs themselves, and the pole symbol on the wire can be recognized by its color (red. plus, dark. minus).

And now, for comparison, let’s take a similar, but a bit the cheapest motherboard from the same company. Gigabyte B450M S2H.

This board has the smallest number of RAM slots, connection connectors and, in principle, is designed for a bit the cheapest sector. The pins are placed here closer to the middle, let’s see them in more detail.

  • HD Audio
  • USB 2.0 (there are two connectors on the board. If there is one cord, then plug into any of them)
  • Speaker
  • Power Led
  • Power SW
  • HDD Led
  • Reset SW
  • USB 3.0

Note that this model lacks the CI (chassis intrusion switch) connector that was in the previous example. This is not a major problem, since, as already mentioned, it is not very common.

In the official documentation, we can see this scheme.

Now it will be much easier for you to navigate the system documentation when you saw this with an example, isn’t it?

Absolutely the same designations on the PCB board and diagrams in the user manual will look in fact the same way, whether it is even a Chinese board Killsre X79 for Intel Xeon on LGA2011, or an ancient MSI N1996 K9N for AMD on AM2.

table

As I already said, the front panel can accommodate a wide variety of auxiliary connectors and other interfaces that are connected directly to the motherboard.

Let’s take a look at the most common types of them in PC.

All these connectors are a unified reference, no matter which motherboard supports their connection. Only the placement of the connectors on the motherboard itself can differ, but the connection method itself is identical.

Conclusion

Today we saw an extremely fundamental issue that needs to be sorted out in order to assemble our own individual computer without the help of others. I am sure that I managed to give you a suitable knowledge base and you should not have the most problems with how to connect the front panel to the motherboard.

Thank you for reading the article to the end. If you still have questions, I ask you to go to the Комментарии и мнения владельцев and drop them there. I am sure I can answer them and also help for you. Do not be shy and do not hesitate!

And on this note, we will finish this article and say goodbye until the moment of the subsequent publication.

Sincerely, the creator of the blog Fedor Lykov!

Front Panel Purpose

If you have ever seen the system unit of a computer, then you understand that on its front part there are:

  • computer power button
  • reset button
  • hard disk activity indicators
  • additional USB ports
  • ports for audio input and output devices (headphones and microphone)

For their real work, a prerequisite is the connection of the panel to the motherboard. Obviously, the engineers of the manufacturing companies foresaw this moment and there are special connectors on the boards.

Connectivity difficulties are primarily associated with ignorance of the purpose of those or other connectors and pins. At the moment, we will figure out how to correctly connect the panel to the motherboard from different manufacturing companies.

I propose to start considering the question with a glance at the more common wires from the front panel, which we need to understand the question. Enjoy reading!

Connecting the front panel to the motherboard

First of all, I recommend opening the user control and looking for a connection diagram there. If there is no cardboard one, you can find it electronically on the official website of the manufacturer (as a rule, at the top of the website, go to the “Products” tab, find the category of motherboards there and from there you find your model).

  • Asus
  • Gigabyte
  • MSI
  • Asrock

Also, on the PCB of the board itself, hints are often written to help in connection. The example below is a good indicator of the correct tips in order to figure out how to connect the front panel to the motherboard.

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Take, for example, a popular and current motherboard and see the connection connectors on them.

Connecting the front panel to the motherboard without errors

Good day to all readers of my blog! Fyodor Lykov is in touch. Now I would like to disassemble the actual question, and specifically “how to connect the front panel to the motherboard”.

Sooner or later, this question is asked by everyone who decided, without the help of others, to assemble a computer for himself for the first time, therefore, I think that this article will be extremely relevant.

I recommend the article for those who do not know how to select a processor for a motherboard.

How to enable front panel connection in BIOS?

It is enough to enter the BIOS firmware and find the corresponding section of the audio device settings. As a rule, you can make the necessary changes using the “Advanced” tab, and by going to the check-box for changing the “Front panel select” parameters, set the desired operating value. It is worth noting that a particular computer manufacturer equips its devices with the original version of the base system. Therefore, some names of the points of the control interface of the BSVV can be designated differently.

Front USB connection

In the case when the USB connector connected to the board has an incomplete structure, for example, it has an end switch branched into four pins, use the following instruction.

Important digression

If for any reason you have reversed the polarity or made incorrect positioning of the mentioned controls, the computer may not start at all, or there will be no light indication of the operating equipment.

Therefore, be extremely careful when connecting the front panel to the motherboard. However, don’t worry too much if something went wrong. You can always correct the connection error by moving the incorrectly connected wires to the position corresponding to the working diagram.

Connecting the front panel to the motherboard: diagram

Few of the novice users decide to implement the process of assembling a computer system with their own hands. Nevertheless, this “purchase option” is considered to be the most profitable. Since the user himself decides what exactly should be the hardware configuration of his computing device. At the same time, the correct connection of the front panel to the motherboard is a very important point in the overall assembly process. Some intricacy of the mentioned operation requires knowledge and precise actions from the practitioner. However, about everything in more detail from the following article.

asus, front, panel, connection

Connecting the front panel audio to the motherboard

Agree, it is convenient when on the front side of the PC case there is a microphone input jack and an Audio output for headphones. However, despite the simplicity of the immediate moment of connecting an additional audio panel to the motherboard of his PC, the user often encounters an incomprehensible effect. the connectors do not work properly or do not function at all. To avoid such an unpleasant situation or to understand the true reasons for the “digital silence”, you need to do the following:

  • Make sure the front audio panel meets the “audio” standard of your motherboard and is connected to the appropriate “F-AUDIO” connector.

For example, if your motherboard supports “HD Audio”, then, most likely, this mode is activated by default, which means that the external module “AC’97” will not work. If the stipulated condition can be corrected by reconfiguring some software components, then in the case of considering the above situation in the context of the opposite, it will be necessary to completely replace the external audio module. The fact is that the “HD Audio” standard uses other codecs than “AC’97” and is incompatible with the latter due to some technical differences.

We solve a difficult situation: USB- “pinout

As a rule, each of the four pins has its own designation in the form of an inscription:

  • “VCC” is the wire that receives the 5 Volt power supply.
  • “Data.” or “D.”. negative value data.
  • “Data” or abbreviated “D”. the opposite of the previous paragraph.
  • “GND”. ground (mass).

When the user connects the front panel connectors to the motherboard, he must remember that if the “pinout” is incorrectly used, there is a risk of damage to any system component. As you can imagine, haste and rash actions can cost you dearly. Therefore, connect each wire to a strictly defined place on the motherboard connector.

By the way, after the “ground” there is an unoccupied pin of the first port, the lower row of connectors is connected according to the above instructions. However, there will be no “extra” pin after the mass. As you can see, everything is simple!

Trigger elements and indications

So, before proceeding with the direct process. connecting the front panel to the motherboard, you need to conduct a visual inspection of the main system part for an accumulation of plug-type contacts. In other words, you need to find out where the connector pad is located, through which the computer starts. After all, the majority of “motherboards”, in addition to the main startup / shutdown and reboot node, have in their, so to speak, configuration arsenal and a number of additional connectors, which will also be discussed within the framework of the presented article.

  • When connecting the front panel to an Asus motherboard (brand indicated as an example), locate the connector pad marked “Front panel”.
  • Be guided by the color coding of the contact pads and their designation.
  • The two-pin “Power SW” wire must go into its corresponding socket, as, indeed, the rest of the control cables: “Reset SW”, “HDD LED” and “Power LED”. By the way, when connecting the last group of contacts, you must observe the polarity (there are signs “” and “-” on the board).
  • The sound sensor “Speaker” is also connected according to the above principle.

Changes to settings in Sound Manager

Sometimes it happens like this: despite the correct (physically) connection of the front panel to the Gigabyte motherboard, the audio devices connected to the front connectors do not work.

A sound snag is resolved as follows:

  • Go to “Realtek HD Manager” and activate the option “Disable front panel slot detection”.
  • Perhaps, in the main settings “Connector parameters” it is necessary to use the “item” corresponding to the sound standard of the external audio module.
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