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USB cable to motherboard

I do not have a manual to plug in the front panel usb connectors. There are 2 USB ports but the cables inside the computer were disconnected.

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There should be some usb prot headers on your motherboard the pins will look like this

**** 4
***** 5
it will say something like fp-usb or something similar beside it in small letters usually its around the edge of the motherboard some place

Posted on Feb 07, 2008

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Front 4 usb ports and microphone and headphone jacks don't work but the rear usb and speaker jacks do work. I've had the computer new since 2009 and they have never worked.


it sounds to me like the wires from the front panel connectors are not connected to the motherboard inside the computer case, open the case up find the front connectors wires inside and find out if there are any connectors on the motherboard to plug them into.
the reason the rear ones work is because they are soldered directly to the motherboard.
good luck.

Jun 28, 2014 | Acer Aspire E380 ASE380-UD500A PC Desktop

1 Answer

P6610f motherboard


Are you following Anti-Static Procedures?

If you, or the person who took it apart has not, you can use the motherboard for a Frisbee.
(Processor for a neck trinket, and Ram Memory for Christmas decorations)


Moving on.........

HP Support > Pavilion p6610f Desktop PC > Main Support page,

http://h10025.www1.hp.com/ewfrf/wc/product?cc=us&lc=en&dlc=en&product=4299342

Product information > Product specifications > Motherboard Specifications, N-Alvorix-RS880-uATX (Alvorix),

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02560084&tmp_task=prodinfoCategory&cc=us&dlc=en&lc=en&product=4299342

A) Let's start with the two power cables coming from the Power Supply, that go to the motherboard;

1) 24-pin ATX main power cable

Looking at the motherboard photo, the 24-pin ATX main power cable's connector; is at the bottom.
Two rows of 12 socket holes, in a yellowish/whitish connector.

Motherboard installed in computer case, you will find it to the Right.

(The motherboard view shown, is clocked 90 degrees to the Right; in comparison to how it actually sits in the computer case)

GENERAL example,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

[NOTE* Color of connector does NOT matter ]

Note the hinged Lock Clip on the power cable's connector.
Also the TAB on the motherboard connector.
When power cable is deemed to be plugged in tightly, and properly; the Lock Clip will be over the Tab.

{Lock Clip operates on the same principle, as a see-saw on a playground. Top is squeezed in to release Lock Clip}

2) 4-pin ATX +12 Volt power cable

Looking at the motherboard photo, the motherboard connector for this power cable is;
Straight up from the white Processor socket,
To the right of the square finned Aluminum Heatsink.

General example of said power cable, and it's respective connector on the motherboard,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

Has a Lock Clip too.
Remember about the color of connector, thing.
Can be pink with neon polka dots. Doesn't matter.
WHAT the power cable IS, does matter.

This power cable is power for the Processor.
It ain't plugged in, you have no computer.

(Scroll down to Motherboard Layout. It is PU521 )

That's it for power cables that plug into the motherboard.
Moving on..........

The Harddrive is a SATA unit. The optical drive is a SATA unit.
(CD/DVD drive)
Means you need a SATA power cable for each one of them.
General example,

http://www.playtool.com/pages/psuconnectors/connectors.html#sata

Note the L-shaped opening in the connector. Hard to see in this photo, but I will show a better view in a minute.

Also; between a SATA data cable's connector, and a SATA power cable's connector; the SATA power cable connector is the larger of the two.
Has 15 contact pins.
SATA data cable connector has 7-pins.

Often there is a lock on this power cable's connector.
A tab that sticks up, or a 'bulb' type affair.
Depress with thumb, when plugging in, or unplugging.

Harddrive needs a power cable, and data cable.
So does optical drive/s.

B) General example of a SATA data cable, and it's respective connector,

http://en.wikipedia.org/wiki/File:SATA_ports.jpg

Just referring to the cable shown at the top, for now.
Now you can see the L-shaped opening a little better.
See how the 'foot' of the L goes down? That is the direction you want it, when plugging in.

The motherboard connector shown below the SATA data cable, is a SATA connector.
This particular style is OPEN.
Your motherboard uses the type that is CLOSED.
Note also the L shape on the motherboard connector.

The connector shown for that SATA data cable, is a 90 degree bent elbow.
If your SATA data cables have this style of connector, they plug into the Harddrive, and optical drive/s.

The straight type of connector, plugs into the motherboard.
It can also plug into the Harddrive, and optical drive; if your SATA data cable has two straight connectors.

The SATA data cable connectors on your motherboard, are all the way to the Left. (In the motherboard photo)

Orange, Light Blue, Dark Blue, and White.
Note that they have a L shape in the middle.

Now scroll down the HP Support page, to Motherboard Layout.

Orange = SATA4
Dark Blue = SATA1
Light Blue = SATA3
White = SATA2

SATA1 is for the Harddrive
SATA2 is for an optical drive.
If you have more than 1 optical drive, it plugs into SATA3.

(Make sure SATA3 is ENABLED in BIOS Setup)

C) The front of your computer is the Front Panel.

The area of contact pins on the motherboard, that the Main wires from the Front Panel go to; is the Front Panel header.

Looking at the motherboard photo, look again at the Orange SATA4 connector. To the Immediate RIGHT is the Front Panel header,

http://www.findlaptopdriver.com/n-alvorix-rs880-uatx-front-panel-motherboard/

I believe though, that the cable coming from the Front Panel; has one solid plug-on connector. Not individual wires.

Note how the Front Panel header on the motherboard, is missing one pin. This is the Key.
The cable connector going to it, should have one socket hole blocked off.

Should only be one cable coming from the Front Panel, that has the correct plug-on connector.
The other cables coming from the Front Panel, will have different size plug-on connectors.

Going further.........
Look at what is installed in the Front Panel;

USB ports, audio ports, (Headphone and Microphone), Card Reader, etc.
You can follow the cables, and get a pretty good idea of where they go, in the Front Panel.

For example you can follow the cables that go to the USB ports.
Follow the two cables that go to the Card Reader.
Follow the cables that go to Microphone, and Headphone jacks.

Then by process of elimination, you know which cable goes to the Front Panel header.

D) Front Audio
Looking at the motherboard photo, look towards the Top/Left corner.
The Yellow header is for the Front Panel audio ports.
Headphone, and Microphone.

E) Coming down the Left side, in the motherboard photo; look at the two White rectangular headers.
Match up in the Motherboard Layout, and bottom of HP Support page.

USB1 2, and USB1 2.

EACH USB header, is for TWO USB ports.

That is why they both have USB1 2 marked near them, in Motherboard Layout.

A Card Reader SHOULD use two cables, and One USB header.
It may be though, that the Card Reader will use both of those White USB headers.

Either the Card Reader plugs into them, or the USB ports in the Front Panel.
If the cable connector fits, plug that cable in. (On)

USB is USB.
Card Reader uses USB too.

Point?
If the cable's connector fits, plug it in. (On)

In the motherboard photo, there are two White connectors;
Above the Orange SATA4 connector, and Below the Light Blue, and White SATA connectors.
(Light Blue = SATA3, White = SATA2)

The USB ports up front probably connect to them. (Front Panel)
Follow the cables to Front Panel USB ports.
What type of connector do the cables use?

All FOUR of those USB connectors on the motherboard, may NOT be used.
Perhaps just two of them.

That doesn't 'sound' very concise, huh?
However it is my contention, that each cable coming from the Front Panel; should have a different connector.

Going further;
The Card Reader, and the USB ports in the Front Panel; may have the SAME type of connector, on the end of their cables.

Again, the Card Reader uses a USB header, (Or headers), on the motherboard.
So do the two USB ports in the Front Panel.

Therefore it does not matter which USB header on the motherboard, that either one of them are connected to.

F) Looking at the motherboard photo, look above the Ram Memory slots, to the far Right.

Right above ram memory Slot 1, that is White in color. (DIMM 1)
There is a small Electrolytic Capacitor, with a Black plastic sleeve.
Right above it is a small White 3-pin connector.

This is where the Processor fan plugs in.
(CPU_FAN)

G) Right above the square Aluminum finned Heatsink, is the 3-pin connector for the computer case fan.
SYS_FAN
(System Fan)

(The square Aluminum finned Heatsink, sits on the Northbridge chip.
Which is part of the motherboard chipset)

That about does it for me.
Please post additional questions in a Comment.

Regards,
joecoolvette

[Seems like I gave a solution for this before.
I can't pull it up in Solutions I have given, so do not know for sure.

Want to see someones user account?
If you are a member of FixYa, all you have to do is click on their user name (Example; joecoolvette), or user icon ]

Mar 23, 2013 | HEWLETT-PACKARD Hewlett Packard Pavilion...

1 Answer

Emachine W3653 motherboard manual


Intel 945GCT-M3 motherboard,

http://support.gateway.com/s/MOTHERBD/Shared/4006188R/4006188Rmv.shtml

Above shows main view, and is labeled.

http://support.gateway.com/s/MOTHERBD/Shared/4006188R/4006188Rnv.shtml

Click on Product Views for Pinouts and connectors for;

1) 4-pin ATX +12 Volt power cable; B - Processor Core Power Connector

2) Processor fan cable connector on motherboard; D - CPU Fan Connector

3) 24-pin ATX main power cable; F - ATX Power Connector

4) Floppy Drive 34-pin connector on motherboard; G - Floppy Disk Drive Connector

5) CD/DVD drive that is IDE (PATA) type -> connector;
H - Parallel ATA IDE Connector. (Harddrive goes to SATA connector)

6) Computer case fan connector; I - System Fan Connector

7) Audio connector on motherboard for CD/DVD drive's small audio cable, (Main drive if there are two)
M - AUX-IN Connector

8) Front Panel is front of computer.
N - Front Panel Audio Connector is where the front panel audio ports connect.

9) R - USB 2.0 Connectors = Front Panel USB connectors on motherboard

10) Front of computer is the Front Panel. Area of contact pins on the motherboard, that the main wires from the Front Panel go to, is the Front Panel header.

T - Front Panel Connector = Front Panel header

Motherboard manual from ECS Support,

http://www.ecs.com.tw/ECSWebSite/Product/Product_Detail.aspx?DetailID=719&CategoryID=1&MenuID=16&LanID=0

(Note photo is distorted. Click on - More pictures for clearer view.
{More pictures / Where to buy / Print )

Click on the Download tab.
(Features / Specification / Download / Support / CPU / etc)

Click on Manual.
(Driver / BIOS / Manual)

Scroll down, click on the country NAME nearest yours.
A PDF file motherboard manual will come up.

For additional questions please post in a Comment.

Regards,
joecoolvette

Nov 16, 2012 | Computers & Internet

1 Answer

Need a wiring diagram for a rs780m03g1


http://www.ebay.com/itm/FOXCONN-RS780M03G1-8EKRS2HM0D-DDR2-HDMI-PCI-MOTHERBOARD-/250896178535

1) http://support.gateway.com/s/MOTHERBD/Shared/4006272R/4006272Rnv.shtml

2) Product Views;

http://support.gateway.com/s/MOTHERBD/Shared/4006272R/4006272Rtc.shtml


B - Processor Core Power Connector;
is the connector on the motherboard for the 4-pin ATX +12 Volt power cable.
Located close the motherboard top edge, left side. Yellowish 4-socket hole square connector.
General example of connector, and power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

2) D - CPU Fan Connector,
The Processor fan connector is white in color, 3-pin, and above the processor socket.

3) F - Main Power Connector,
The 24-pin ATX main power cable connector on the motherboard, is to the Right of the Ram Memory slots

4) N - Front Audio Connector, (Front Panel audio ports)
Red in color, 9-pin header, and is located below the white No.2 PCI slot, at the bottom of the motherboard.

5) P - System Fan Connector, (System Fan = Computer case fan)
White in color, 3-pin header, located below the No.2 PCI slot, at the bottom of the motherboard.

6) Q - IEEE 1394 Connector,
For the front panel Firewire (1394) ports.
Black in color, 9-pin header, located at the bottom right corner, of the white No.2 PCI slot

7) R - USB Connectors, ( Front Panel USB ports )
F_USB 1 through F_USB4.
Located at the bottom of the motherboard, and these four separate headers support TWO USB ports each. Yellow in color.

8) S - Front Panel Connector,
located at Bottom/Right corner of motherboard.

Pin 9 is N/C also.
Not Connected. Used for +5 Volt power for the factory.

For additional questions please post in a Comment.

Regards,
joecoolvette

Oct 27, 2012 | Gateway E-4300 PC Desktop

2 Answers

How can i setteled the front panal usb pin connect on the usb panal on motherboard gigabyte845 gvm-rz


There are 2 USB Ports for the Front Panel USB ie F_USB1 / F_USB2 beside the "PWR_LED". You can use either F_USB ports. Just plug in the USB cable pin accordingly in the Configuration below. Be sure the the negative & positve pins are correctly plug in or it might caused damage to you Mainboard. (Pins 9 &10 not used). For further reference you can download the manual @ Link

Pin No.- Configuration
1-Power 2-Power
3-USBDx- 4-USBDy-
5-USBDx+ 6-USBDy+
7-GND 8-GND
9-No pin 10-NC

Hope it helps.

Aug 06, 2011 | Gigabyte 8IG1000MK Motherboard

1 Answer

I want to connect My front USB to the Gigabyte MB ga-945p-s3 i dont know how to do it right if there is a video to show me how to do it, that would be great your help is needed thanks


There are two connectors on the motherboard marked F_USB1 and F_USB2 for the front panel USB ports. This is the page from the manual (you can download a copy here) for your board:

pgh_pa_guy_7.jpg
The pinout of each USB connector is the same, so it does not matter which one you use. Each connector supports two USB ports. The pin assignments are a standard, and the cable from the front panel USB connectors in your computer case may already have a plug on the end which will fit. Note the missing pin (pin 9); the plug is keyed so it will only fit one way so you can't put it on backwards.

If the front USB cable in your computer case doesn't have a 10-pin plug on the end, it will have a separate single-pin connector on each wire, and they will be marked with their function. Make sure you match each wire to the correct pin on the board, following the chart shown above.

You should have your front USB working very quickly. Thanks for using Fixya!

Dec 03, 2010 | Computers & Internet

1 Answer

Hello i need to know how to reconnect the computer case wires to a sr1703wm compaq motherboard


Hello.

The Compaq Presario SR1703WM desktop computer, uses an Asus A9AE-LE motherboard.
HP/Compaq's name is AmberineM - GL6E

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00496280&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&lang=en&product=1815742

1) I would like to start with the Front Panel wires.
The Front panel, is the plastic front on your computer tower, where the Power On button, Power On LED, and so on is located.

The Front Panel header is the connector on the motherboard, where the cables, (Wires), from the Front Panel connect to.

Looking at the HP Support link above, I would like you to scroll down the page to the illustration of the motherboard, and the photo of the motherboard under the illustration.

Looking at the illustration observe the bottom Right corner.
F_PANEL1 indicates the Front Panel header.

Note there are 4 pins going across the Top, and 5 pins going across the Bottom.

Looking inside your computer, the motherboard will be located in a different position, compared to the illustration.

The Front Panel header will be located Vertically, (Up, and down)

Note that there is a twisted pair of Black, and Red wires.
These wires form the Power On cable.
They come directly from the Power on switch.

There is a twisted pair of Yellow, and Black wires.
These wires form the Harddrive Activity LED light cable.
(HDD)
When the harddrive is active, this LED flashes.

There is a twisted pair of Green, and Black wires.
These wires form the Power On LED light cable.

The wires, (Cables), should be in one Black connector.

Looking at the Front Panel header in your computer, align the Black plastic connector's socket holes, with the pins sticking up out of the Front Panel header, on the motherboard.

Note that the Front Panel header is rectangular in shape. There is 1 pin missing.
The Black connector coming from the Front Panel of the computer, has one socket hole blocked off, to match.

Align the four socket holes in the Black connector, to match the 4 pins sticking up out of the Front Panel header, on the motherboard.

The other 5 socket holes in the Black connector, will match up to the 5 pins sticking up, automatically.

Use care, and you may need a bright light to assist.
These pins can be bent quite easily.
(Also watch your fingers, as the ends of the pins are S-H-A-R-P!)

2) Where it states CLRTC (CLPWD under it), is the Clear CMOS jumper.
Suggest you leave it alone.

3) Where it states F_ USB1, and F_USB2, is where the USB cables from the front of the computer connect to.

(The USB ports on the front of the computer's Front Panel.
F_USB1, and F_USB2 headers on the motherboard, are shown on the illustration to the Left, of the Front Panel header. F_PANEL1)

The plastic connector on a USB cable coming from the Front Panel, has an orientation just like the Front Panel header cable does.

There is 1 pin missing on the USB header on the motherboard.
There is a blocked socket hole in the USB cable's connector.
Align the connector to match the pins.

Doesn't matter which USB cable from the Front Panel, that you connect to the USB headers on the motherboard.
BIOS will find them, and assign an IRQ to each, once you turn the computer on.

All you will see at a first glance is a series of thick Gray insulated cables, coming from the Front Panel of your computer.

If you follow the cables by eye, you can see where the USB cables are connected to the back of the USB ports, on the Front Panel.

You may, or may not, have to remove the Front Panel to see more clearly.

Computer case open, look inside towards the Front Panel.
There is a Green plastic tab towards the Top.

This locking tab is depressed Towards the Inside of the computer, to START to unlock the Front Panel.

Towards the bottom in the same plane, is a Black locking tab. This tab is pulled Towards the Outside of the computer.
There is another Black plastic tab on the opposite side.

At the Bottom are two more Black plastic locking tabs. These are depressed down, towards the Bottom of the computer case.
One on one side, one on the opposite side.

Start by depressing the plastic Green tab, and gently easing the Top of the Front Panel, slightly out.
Then go to the two Black plastic locking tabs located towards the Middle, and depress them.

Ease the top of the Front Panel out a little more.
Finally go to the two Black plastic locking tabs located at the Bottom, and depress them.
Ease the Front Panel off.

(NOTE*
Your computer's Front Panel may not have locking tabs located at the bottom.
Just locking tabs located up from the bottom, more towards the middle)

It's no picnic for your first time, but once you have done it, it becomes easy. (Ummm, Easier!)

4) The Firewire (a1394) cable on the Front Panel, connects to the F_1394 header on the motherboard.
In the motherboard illustration the F_1394 header is located to the Left, of PCI2

Need any further cable connections, post in a Comment.



Aug 14, 2010 | Compaq Presario SR1703WM PC Desktop

1 Answer

How do I connect the front usb wires to my fic c51g motherboard header?


How to Install Front USB by Connecting Front USB Ports to a Motherboard?In order to have front mounted USB you must have 3 things.
  1. A case with USB ports in the front of it.
  2. A motherboard that supports front USB (usually)
  3. Appropriate wiring between the USB port and the motherboard
A case can support front USB in two ways: via a pass thru connection, or via a port to header connection. The former, pass thru connection, is compatible with all motherboards that have USB ports. Pass thru front USB Pass thru front USB works by having the ports on the front of the case connect to either a standard USB cable, or a fairly small rounded cable. The cable goes from the front of the case to a special slot cover with either a hole (for the standard USB cable) or a special connector for the rounded cable. If the pass thru USB had a standard cable, then you would simply plug the standard cable into one of your back USB ports. If it had a rounded cable, then you have a secondary attachment with something that looks like an old style SCSI connector. The attachment plugs into both the slot cover, and the back USB ports. The draw back of pass thru front USB is that you lose the ports in the back.

Many 3rd party devices that add front USB to a system use the pass thru system. A good example is this now discontinued Front IO panel
directron_1721_2292726
Front USB via a Port to Header connection In order to hook up a Port to Header connection you have to make sure that the wires from your port will connect to your motherboard's header. To do this you need to know what header you have, and what type of connector you have on the wires. You'll find information on both below.

Almost all motherboards these days have a USB header. Due to size and cost restraints many motherboards only have 2 USB ports on their back panel, but often they can actually support more then 2 USB ports. They will typically support additional ports via the use of a USB header. A USB header is either a single or double row of header pins on the motherboard that can be used to add additional USB ports to a computer via the use of an appropriate set of header connectors, wires, and a USB port. Each pin on the header corresponds to a wire inside a USB cable. These pins must be clearly marked so that you can hook them up to the wiring correctly. There are 2 common layouts for a USB header.

Intel Standard USB header Layout: (used by over 90% of motherboards)

instusb1a.jpg

Gigabyte Style USB header Layout: (used most commonly on Gigabyte brand motherboards)

instusb2b

Now that we know the types of headers we have to take a moment to understand the USB wiring. Understanding the wires First off: All USB cables have 5 wires. 4 of these wires are actively used. Here's a reference from the official USB standard.

instusb3

On a front mounted USB port you'll have either the first 4 wires connected to properly colored wires (red for power, white/orange d-, green/yellow d+, black for ground) or all five wires attached to the port (same as the former, but one extra black wire). Now where it gets tricky is how to attach each of those wires to corresponding pins on the motherboard.

The wires are "tailed" (attached to a header connector) using any one of a number of different types of connectors. Below you'll find a list of the common ones.

Common USB case header connectors 4 joined pins + 1 extra ground.
usbheader

Compatibility: Compatible with both header arrangements because of the extra ground. May not work with some odd arrangements To hook up carefully match each pin. For the Intel hookup you'll have the extra ground wire not attached to anything. For the Gigabyte hookup you'll have the extra ground hooked to ground pin on the motherboard, and the standard ground jumper will be over the missing pin on the header.

All pins separated

instusb6

Compatibility: Compatible with every header. If all the pins are separated the only real issue is lining up the pins with the appropriate places on your header. It should be compatible with all headers. Just make sure you read the writing on each individual connector. Please check the troubleshooting info at the end of the article for important information on this configuration

Power and Ground separate, d-, d+ joined Lian-Li style

Compatibility: Compatible with all common headers. This sort of arrangement is common to almost all Lian-Li cases. Make sure that you get the wires connected to your header in the proper order. If you find that the port does not function the most common cause is accidental reverse of the d-,d+. Try switching it.

All pins joined Intel style easy connector

usbinst4
making the Connection Once you know what type of header you have, and what type of connector you have on the wiring, you need to connect the two of them. In order to do this, you must first figure out what pin goes with what part of the connector. To do this, you should first consult your motherboard manual. Below you'll find an excerpt from a fairly recent motherboard manual for the Asus A7M266 motherboard. It's typical of a motherboard manual for a board using the Intel standard USB header.

instusb5

The first thing you'll probably notice is that the wiring from your case and the names of the pins might not quite match up name wise. This is a common problem. Motherboard makers and case makers really haven't decided on what to call each pin. Here's a rough list of names.

Power may be called: P, VCC, USB Power, Power, and PUSB. On wiring it's always red. Ground may be called: G, GND, Ground, and GUSB. D- may be called: USB-, USBP-, D-, or just -. D+ may be called: USB+, USBP+, D+, or just +.

To complicate things a bit more you'll probably notice that there's a number before each one. Take a look at the picture above from the USB hookup diagram for the A7M266.

You'll see that Asus decided to number the middle pins. On the first row (starting with pin 1, and marked with a 1) you'll find that they list D- as USBP2-, and D+ as USBP2+. The number 2 tells you a few things. First off: It's the 3rd USB port on the motherboard (they started numbering at 0), second it tells you that that D- and D+ must be used for the same port. Case manufacturers are just as likely to number their ports differently.

Take a look once again at the 4-pin joined picture: usbheader

Notice that you're D-'s have either a 1 or a 2 on them. These also tell you that they are part of the same USB port. (Remember, 1 port has 4 required wires). The numbering on the connector and the numbering on the header doesn't have to match.

To connect everything grab the following connectors: a same number D pair, (D-, D+), 1 power, and one ground. If your power and ground are numbered make sure all 4 are the same number.

Tip: Most cases that use all separated pins will bundle these together for you to make it easier.

Now, take your Power, D-, D+, and Ground and line the connector up with the appropriate 4 header pins on your motherboard. The header pins will be in a row under the Intel style, and in the Gigabyte style it will either be a row of 1 pin, a gap, and then 3 pins, or 3 pins, a gap, and then 1 pin. Press the connector down over the header pin and make sure it's firmly attached. Once you have done this go back and grab another set of connector wires (Power, D-, D+, Ground), and hook up your second front USB port. If your case has more then 2 front USB ports, and your motherboard has more then one front USB headers, then repeat the above as necessary.

Example: If you were hooking up the front USB on a A7M266, on a case with the pictured 4-pin joined connector type then: VCC lines up with USB Power, USBP2- lines up with USB1-, USBP2+ lines up with USB1+, and GND lines up with GND. For port 2, VCC lines up with USB Power, USBP3- lines up with USB2-, USBP3+ lines up with USB2+, and GND lines up with GND.

May 21, 2010 | Computers & Internet

1 Answer

Tower top mounted USB portss


The cables from the front panel USB connectors have a key in them that will line up with the missing pin on the board's USB headers. Just line up the connectors and plug them onto the board. It doesn't matter if you use USB1 on the board for the plug marked USB1.

Apr 12, 2009 | Computers & Internet

3 Answers

Havimg prob with the 2 usb ports located in front


Hi manky, Normally front USB ports have a pair of 4 wire cable with connectors marked red wire is vcc; white wire is -D; green wire is +D; and black wire is gnd. The motherboard would normally have two pairs of dual pin connectors that would be sitting side by side or in-line with uneven pins - 4 and 5 pins; then another 4 and 5 pins. Please refer to the attached simple diagram for your connection. For some reason I couldn't get hold of a manual from the Gigabyte site of your particular model GA-81KHXT. Nonetheless hopes this works for you. Pls post again how things turn up. Good luck and kind regards.

Jun 01, 2007 | Intel Motherboard

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