Question about Gigabyte 7VM400M-RZ (GA-7VM400M-RZ) Motherboard

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Front usb ports innactive

Recently aquired second hand motherboard from computer fair, no manual available to read so as to wire up front usb ports for use

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I think you may mean R2 not RZ, in which case you can download the manual here

Posted on Jul 29, 2010

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My son tried to put a usb lead into my pc the wrong way and he bent all copper pins inside is it easy and cheap to repair or could i connect the tower to my laptop???? theres a hard one for you teckno


No, it isn't hard.

Wrapping your mind around Quantum Mechanics, and String Line theory, is a little tough; though. lol!

http://en.wikipedia.org/wiki/File:USB-Connector-Standard.jpg

http://en.wikipedia.org/wiki/File:USB.svg

Will make sense in a moment.

The front of your computer is the Front Panel.
Those are Front Panel USB ports.

On the motherboard are USB headers.
Small rectangular shaped pieces of plastic, that have contact pins sticking up.

EACH USB header will support TWO USB ports in the Front Panel.

Therefore; there will be two cables coming from two USB ports, in the Front Panel; and connect to ONE USB header on the motherboard.

IF, you feel the contact pins in the USB ports in the Front Panel, may be Touching each other; I strongly advise disconnecting the cables TO them.

Disconnect from motherboard.

Why?
Because if they touch each other, it will short the USB header out; on the motherboard.
This = No.

Then just use the USB ports on the back of the computer.

!O_O!

This is to save money, Mark; and save your computer.

Going further; If there are enough funds available, then I suggest replacing the Front Panel I/O/USB/Audio Control Panel Board,

http://www.ebay.com/itm/DELL-MJ282-DIMENSION-3100-E310-FRONT-I-O-USB-AUDIO-CONTROL-PANEL-BOARD-CN-0MJ282-/380380245011?pt=LH_DefaultDomain_0&hash=item58906dec13

http://www.dell.com/support/Manuals/us/en/19/Product/dimension-3100C

Service Manual (1611KB)

A) Removing the Computer Cover

B) Removing and Installing Parts


Connect desktop to laptop to do what?
For USB port availability? IMHO that is like shooting yourself in the foot.

Also, how do you propose to accomplish this?

The USB ports in the Front Panel, are for ease of accessibility.
(As the young tyke has found, lol!)

Connecting a laptop greatly detracts from this.
Jus sayin'.

For additional questions please post in a Comment.
Regards,
joecoolvette

http://www.youtube.com/watch?v=Nv1_YB1IedE

http://www.youtube.com/watch?v=Mlbuh3_ZKsE

Mar 23, 2013 | Dell Dimension 3100 PC Desktop

2 Answers

Front USB ports on our windows xp pc do not work and havent for as long as i can remember. they came already installed when we first got the comp. No device will show up or even showany signs of power, yet...


  1. Power off the computer and remove the 3 pronged plug from the power supply for safety of the system.
  2. Remove the side panel
  3. Locate the string of several wires that lead from the front panel to the motherboard.
  4. Locate and wires that may have USB tagged on their connector.
  5. Look carefully at the motherboard and locate the use pins and slide the connector over them
  6. replace cover and power cord
  7. power up and test
If for any reason you have trouble, respond to this post with your Computer Make and model, or to be more precise, click here to begin downloading SIW. A free System Information Software available to you. Once you have downloaded the program you will click install (although the program doesnt install and will run without leaving any permanent track through your system). Find "motherboard" under the system tab on the left hand side and respond to me with the manufacture, model, and version. I will have your answer as soon as i get your info

May 13, 2011 | Microsoft Windows XP Home Edition

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

Is there a way to attach mutimedia card reader to gateway micro atx motherboard


I'm not sure which model number you have, but you are able and have USB ports on your computer, then the answer is yes. You can do it two ways: One way (simplest way) is to buy an external multi-reader that plugs into a USB port. The second (More permanent), is when you open up your case and look at your motherboard, you should see a white cable that is connecting to your front-mounted USB ports. Follow it back to the motherboard and see if you have another slot to put another cable in for you multi-reader (and make sure you have a spot available in the front of your case to put the multi-reader). If you don't have a spot, or another plug, then go to newegg.com and buy an internal reader with at least one or two USB ports, and replace your existing front USB port.

Mar 12, 2010 | Gateway (Sound/VideoOn) ATX Motherboard...

1 Answer

We have recently purchased an Intel I7 processor and installed it into the ASUS P6T motherboard. We have also installed Windows 7 OEM builders operating system (not an upgrade version over windows XT). The...


Run "Windows Update", to see if it will find updated device-drivers for the specific USB hardware on the motherboard.

Access the ASUS web-site, and search for 'P6T', and search for USB device-drivers for Windows 7 -- if none are found, try the device-drivers for Windows Vista.

Jan 22, 2010 | ASUS P6T7 WS Supercomputer Core i7 / Intel...

2 Answers

QDI kudoz 7 mauanl wanted


this time your got have a spammer, i tell you read the USB port at the motherboard then put the wire connection there

Jun 17, 2009 | QDI Group QDI KuDoz 7 Motherboard

1 Answer

Cannot connect usb on motherboard??? URGENT HELP


Have you searched the net for motherboard wiring diagram ... plenty available ... I recently downloaded one. There is only four wires to connect + , - , D+ and D- . Hope this helps.

May 12, 2009 | ASUS COMPUTER INTL P5SD2-VM MBD MATX LGA...

1 Answer

Why wont my front usb ports work


My guess is that the cable from the front usb isent connected properly since everything els working from the front

Dec 07, 2008 | Compaq Presario uWave2 K7 Socket 462...

1 Answer

I reciently aquired a new case for my hard drive and stuff. Everything works correctly except the front usb ports. What do u think is wrong?


THERE PROBABLY JUST NOT CONNECTED, LOOK AT YOUR MOTHERBOARD MANUAL AND SEE WHERE THE USB-PINS ARE ON YOUR MOTHERBOARD FOR THE FRONT OUTPUTS...

Dec 07, 2008 | Compaq Presario uWave2 K7 Socket 462...

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