Question about MSI K8MM-V Motherboard
Correctly connection peripherals and wiring the power LED/ power switch etc
MSI Support > K8MM-V motherboard (ms-7142) > Main Support page,
Hover your mouse cursor on the Download tab.
(Overview / Specifications / Download / Support / etc)
In the drop down list click on - Manual
Underneath the Download subheading click on the blue -
Click on the 'country' name nearest yours.
(U.S. is a country. Europe and Asia are continents)
A small window will come up -
Make SURE the small circle to the left of Save File, has a Green dot in it.
IF not; click in the small empty circle to the left of Save File.
Now go below in the small window, and click on - OK.
A small download window will come up.
Allow the file to fully download, then DOUBLE-click right on the file name. ( M7142v1.0.zip)
In the next small window go to the far left, and click on -
Extract all files.
At the bottom of the next 3 small windows, click on Next, Next, and Finish.
In the last small window DOUBLE-click right on the file name.
(Next to the red Adobe PDF icon)
There is the motherboard manual in PDF file form.
The Adobe Reader page number box is at the Top, to the right of the Down Arrow.
You can go page by page, to the page you want, using the Down Arrow; or if you know the page you want you can do this,
1) Put your mouse cursor in the page number box at top.
Left-click once. Anything in the page number box, is now highlighted in blue.
2) Type the page number.
3) Press the Enter key.
A) Go to Page 5 - Layout.
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.
On your motherboard there are two.
JFP1 and JFP2.
Junction Front Panel 1 and Junction Front Panel 2.
JFP1 is on the Right side of the motherboard, down in the Bottom/Right corner.
It sits Vertically on the motherboard.
Two columns of contact pins.
5 on the Left side, 4 on the Right side.
Go to Page 14 - Front Panel Connectors: JFP1/JFP2
The pins on the Left side are numbered ODD.
The pins on the Right side are numbered EVEN.
Starting on the Top/Left side, coming down;
Pins 1, 3, 5, 7 and 9.
Starting on the Top/Right side coming down;
Pins 2, 4, 6, and 8.
A) Pins 1 and 3 are for the HarDDrive activity LED light.
Pin 1 is for the Positive ( + ) wire.
If the HDD LED is dim when the harddrive is active, switch the wires around.
B) Pins 5 and 7 are for a Reset switch, IF a Reset switch is used.
C) Pin 9 is N/C. Not Connected.
This is reserved for the factory. Believe it is a 5 Volt (DC) test point.
D) Pins 2 and 4 are for the Power On LED light.
It is for a TWO wire Power On LED light.
Pin 2 is for the Positive ( + ) wire.
If the PWR LED is dim when the computer is on, switch the wires around.
E) Pins 6 and 8 are for the Power On switch.
F) There is NO Pin 10.
The JFP2 header is to the Left of JFP1.
It is situated Horizontally, and close to the bottom of the motherboard.
Two rows of pins.
3 pins on the Top row, 4 pins on the Bottom row.
The Top row is numbered ODD.
The Bottom row is numbered EVEN.
Starting on the Right side, going towards the Left; Top row,
Pins 1, 3, and 5. There is NO Pin 7.
Starting on the Right side, going towards the Left; Bottom row,
Pins 2, 4, 6, and 8.
A) Pins 1, 3, and 5 are for a THREE wire Power On LED light.
I assume Pin 1 is for the Negative wire ( - ), and Pins 2 and 3 are for the two Positive wires.
It's for a dual color Power On LED light.
Example: Turbo Mode has a Green light, Normal Mode has a Yellow light.
B) Pins 2, 4, 6, and 8 are for an internal speaker.
Internal speaker is used to hear the BIOS Beep Codes.
For additional questions please post in a Comment.
[Thought you may want the motherboard manual, too]
Posted on Mar 04, 2013
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Posted on Jan 02, 2017
here it is your manual man
msi site your board/the manual..youll have there at the beginning the diagram of wires and pins..
I have a MSI too..great boards man..great boards..
Posted on Feb 08, 2008
pls help me to download vt8237 plus audio driver / that msi m/b driver...pls urgent...
Posted on Sep 20, 2008
GOTO MANICATURE WEB SITE TECHN SUPPORT MOTHERBOARD LAYOUT DIAGRAMS
IM PRETTY SURE THAT MSI DOES HAVE A WEB SITE ON THE INTERNET
Posted on Jan 27, 2009
You have an MSI 6390* motherboard, MSI has an archives with 3 different versions of manuals available, just depends on which version of the board you have.
Here's a link:
Posted on Jun 03, 2009
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