Question about Asrock P4VT8+ P4 PT800 Prescott Ready Motherboard (MOTASR19)

1 Answer

Front USB ports

I accidently pulled off the leads to my front panel usb ports, and do not know which colours go where, can you help.
VCC2 Red
DATA-2 Yellow
DATA+2 Green
GND2 Black (thicker wire)

Data-1 Yellow
Data+1 Green
VCC1 Red
GND1 Black (thicker wire)

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Try here to dload manual which should tell you which is which

http://www.asrock.com/mb/overview.asp?Model=P4VT8%2B

hope that fixes it for you?

Posted on Jan 06, 2008

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Do you have any user manual for front panel usb


http://www.msi.com/product/mb/PM8M-V.html

(MSI PM8M-V H, is version 2.0 )

Hover your mouse cursor on the Download tab.
(Overview / Specification / Download / Support / etc.)

In the drop down list, click on - Manual
Under the subheading - Download, click on the blue -
M7104v1.0.zip

[ This is a Zip file. A Zip file is a file that is compressed, to send easier. The above manual is for the M7104v1.0
It will work for the version 2.0 also.

You need a program to 'Unzip' it. (Decompress)
If WinZip is not working on your computer, go to 7-Zip, and download for free.
If you need guidance in downloading, and unzipping, post back in a Comment ]

There are two USB headers on the motherboard for the Front Panel,
JUSB1 and JUSB2. (Junction USB 1 and Junction USB 2)

Looking along the bottom of the motherboard, FROM the Right going towards the Left;

JFP1 header; (Front Panel main wires)
Header with 4 pins on the Top row, and 5 pins on the Bottom row.

JFP2 header; (Dual color Power On LED, and Speaker)
Header with 4 pins on the Top row, {Speaker}, and 3 pins on the Bottom row.

JUSB2 header.

JUSB1 header.

EACH USB header will support TWO USB ports in the Front Panel.
JUSB1 supports two,
JUSB2 supports two.

For each USB header there are 5 pins across the Top, 4 pins across the Bottom.
The pins are numbered EVEN across the Top, and ODD across the Bottom.

Starting from the LEFT side going across to the RIGHT side;
on the TOP row for JUSB2 and JUSB1;
Pins 2, 4, 6, 8 and 10.

Starting from the LEFT side going across to the RIGHT side;
on the BOTTOM row for JUSB1 and JUSB2;
Pins 1, 3, 5, and 7. There is NO pin 9.

A) Pin 2 is VCC
B) Pin 4 is USB1-
C) Pin 6 is USB1+
D) Pin 8 is Ground

E) Pin 10 is USBOC

Pin 10 is N/C -> Not Connected.
It is there, and Pin 9 is not there, to key which way a connector can go on. Only ONE way.

F) Pin 1 is VCC
G) Pin 3 is USB0-
H) Pin 5 is USB0+
I) Pin 7 is Ground

There is NO pin 9.

(The USB technology used is USB 2.0)

http://pinouts.ru/Slots/USB_pinout.shtml

Let's read together,
Under - USB pinout signals;

"USB is a serial bus. It uses 4 shielded wires: two for power (+5v & GND) and two for differential data signals (labeled as D+ and D- in pinout). NRZI (Non Return to Zero Invert) encoding scheme used to send data with a sync field to synchronise the host, and receiver clocks. In USB data cable Data+ and Data- signals are transmitted on a twisted pair. No termination needed. Half-duplex differential signaling helps to combat the effects of electromagnetic noise on longer lines. Contrary to popular belief, D+ and D- operate together; they are not separate simplex connections."

See the USB examples in the link above, where it labels the contact pins?
The MALE connectors are shown on the Left side.
The FEMALE connectors are shown on the Right side.

Your USB ports will be FEMALE, on the Front Panel.
They are also the A style. USB A style. The Top example to the Right.

Just noting the following in case for some reason, the wires coming from those contact pins in the female USB connector, are not color coded correctly;

Even after you have the wires sorted out, as to which contact pins they go to, DOUBLE-check again. Do NOT just go by the color code of the wires.
Why?

You do NOT want to accidentally connect the +5 Volts (VCC), to the Ground!

Explaining further;
You connect the VCC wire, (Red), of the USB port in the Front Panel, to the Ground pin on the USB header on the motherboard.

(Which means the Ground wire of the USB port, (Black), will probably also be connected to the VCC pin, on the USB header of the motherboard)

Zzzzzzap! There goes your front USB ports. Both USB front panel headers on the motherboard, will be DONE!

Make sure!

Going on;
1) VCC or Vcc, goes back relating to Transistor technology.
Just think of it as the Positive, or power wire.
It is.
It is 5 Volts DC.

2) GND is Ground. It's a DC circuit, and you have a Positive, and a Negative, or Ground.

3) USB1-
That is -> Data-

USB0 is for one USB port in the Front Panel.
USB1 is for another USB port in the Front Panel.

[ Each USB header on the motherboard can be connected, to TWO USB ports on the Front Panel.
Therefore for the two JUSB1 and JUSB2, you can connect Four USB ports in the Front Panel ]

Data- on one USB port in the Front Panel, goes to USB0-

Data- on the other USB port in the Front Panel, goes to USB1-

4) Data+
Same thing.
Data+ on one of the USB ports in the Front Panel, goes to USB0+
Data+ on the other USB port in the Front Panel, goes to USB1+

EACH side of JUSB1 and JUSB2, will support one USB port on the Front Panel.
Two sides per JUSB1 and JUSB2 = 4 USB ports on the Front Panel.

For additional questions, or clarification to anything I have stated above, please post in a Comment.

Regards,
joecoolvette

Jul 20, 2012 | MSI Computers & Internet

2 Answers

I HAVE A NEW CASE, & NEED TO CONNECT THE FRONT UBB & AUDIO LEADS. CAN YOU HELP, CHEERS


Hi there, first check the image below. You've got USB 3 and 4, and AUDIO section. For the USB, pins 1 and 2 represent front panel USB power on both 3 and 4. As for AUDIO connection, pin 1 is Front Panel Microphone input signal, pin 3 is Microphone Power, pins 5 and 6 are for Right Channel audio signal to Front Panel and pins 9 and 10 are for Left Channel audio signal to Front Panel.

You can find more details in the motherboard's manual, page 23 and 24.

mariolands_29.jpg

Jan 23, 2011 | EliteGroup P4M800PRO-M478 Motherboard

1 Answer

Emachine t1840 wiring diagram power switch wire to mother board ?


Because there are so many different case and motherboard combinations sometimes it can be difficult following the instructions for connecting the front panel, USB header and audio header.

Below is a few generic guide that should stop some of the confusion with the labels on the wires.

frontpanelsetup.jpg

usbheadersetup.jpg

Front Panel Audio
audiosetup.jpg

***Please note this is a generic wiring guide and we can not guarantee it will work with every motherboard. Please check your motherboard manual first. Wiring the headers wrong can cause damage to the motherboard and case, this damage is not covered by the warranty***

another handy USB wiring guide can be found here http://www.directron.com/installusb.html

this maybe easier to follow

FRONT PANEL AUDIO

2________10
__

1________9

Pin Wire
1) Mic In
2) GND (ground) or if 2xGND available, it’s the GND for the headphones, NOT the Mic
3) Mic BIAS
4) n/c
5) Speaker Right Out
6) Speaker Right Return
7) n/c
8) no pin (n/c)
9) Speaker Left Out
10) Speaker Left Return

n/c = not connected



USB (F_USB1 and also F_USB2)

2________10

 x
1________9

Top row of pins
2 = USB port 2 : VCC/Power/+5V
4 = USB port 2 : Data -/D-
6 = USB port 2 : Data +/D+
8 = USB port 2 : Ground/GND
10 = USB port 2 : pin present, but not connected to anything.

Bottom row of pins
1 = USB port 1 : VCC/Power/+5V
3 = USB port 1 : Data -/D-
5 = USB port 1 : Data +/D+
7 = USB port 1 : Ground/GND
9 = USB port 1 : no pin present

Front Panel Connector (FP1)

1 2
x 




9 10

1 = no pin present
3 & 5 = Power Switch
7 & 9 = Power LED (light)

2 = pin present, but not connected to anything.
4 & 6 = Reset Switch
8 = 10 = Hard Drive LED (light)

Jul 30, 2009 | Computers & Internet

2 Answers

Front panel connector J16 dell dimension 2350


Visit http://support.dell.com select your product and download user manual and maintenance manual. It may solve your problem.

Jul 15, 2009 | Computers & Internet

1 Answer

Usb


please click follow:
http://www.pctechguide.com/tutorials/MBoard_USB.htm
acording the table and picture you can make easy to correct your USB connection.
hope help you fix it, any question send any time please!
please take a rating let me know how much helped you, thanks!

May 17, 2009 | MSI 865PE Neo2-PFS Motherboard

1 Answer

Abit Kg7-Lite motherboard USB2 pin Locations desperately needed!


Lay case down with the bottom in front of you. Looking straight down at the row nearest the case bottom reading right to left there will be two rows of four pins.

Reading right to left the row closets to the case bottom the first lead is vcc1, next usb1-, next usb1+ and grnd1.

Top row reading right to left is vcc2, next usb2-, next usb2+ and grnd2.

I just replaced bad caps on my kg7 and had to remove the motherboard for the repair so I just reinstalled my front case usb ports.

Help this helps.

anon paranoid

Feb 18, 2009 | Abit KG7-Lite Motherboard

1 Answer

Searching for a wiring diagram for my E machine....


Industry Standard Architecture exists here.

The pin arrangements for USB are standard, some usb headers are attached to the boards in the opposite direction but the pin arrangement is the same.

USB headers consist of 9 pins, arranged as 4 pins and one missing, and 5 pins like this:
x x x x o
x x x x x

these are marked as:

vcc1 usb 0- usb 0+ n/c
vcc2 usb 1- usb 2+ n/c

colours are:
red, white green black

Note: some motherboards have these connectors back to front but the connection sare as per the diagram

the audio header is arranged as follows:

X X X O X
X X X X X

top row = gnd, vcc5, mic2,n/c line

bottom row = mic1,mic r, line out,front spk r, lin out L

The cable colours may differ but the preformed plug will only fit in one place /direction



Oct 27, 2008 | E-Machines (308714) Motherboard

3 Answers

Usb not working


front USB ports are an extension of a header on the mainboard, it connects via a bunch on individual pins, if any of these pins are wrong the front USB will not work, but usually this would lock up all USB and the ones on the back will not work either, i would suggest the front USB panel was either not connected at all, or it was conected wrong, usual USB header colors of wores is BLACK, GREEN, WHITE, RED, note all mainboards are different, so the black could start from either side of the header, b sure to refer to your motherboards manual for exact pin loactions on the header

Dec 05, 2007 | Gigabyte GA-945GM-S2 (0818313003065)...

1 Answer

Front panel hookups


go to the link below and you can download the manual for instructions on front panel connections http://www.ecs.com.tw/ECSWebSite/Downloads/ProductsDetail_Download.aspx?detailid=685&DetailName=Manual&DetailDesc=GeForce6100SM-M(V1.0)&CategoryID=1&MenuID=39&LanID=9

Sep 01, 2007 | EliteGroup GeForce 6100SM-M Motherboard

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