Question about MSI MS-6378X-L Motherboard

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Problem with power switches

I have a problem inserting power swithches to theyre respective slots on main board ie. power switch,reset,speaker ctc there are no indicators on board...

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  • Anonymous May 16, 2009

    Link doesn't work - just get Home page


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Ms 7500

Orient the motherboard so we are both looking at it the same way;

Processor to the Top, black and white Ram Memory slots to the Right, white PCI slot, and black PCI Express x16 slot to the Left;

Above the white Ram Memory slots, is the 4-pin ATX +12 Volt power cable connector. Whitish, square, 4 socket hole connector.
General example of this power cable, and it's respective connector,

Right next to it is a black header.
The Front Panel header, (Panel1)
This is the pinout,

Scroll down to Dave G's post.

4 pins across one side, 5 pins across the other side.

The side with 4 pins has the pins numbered EVEN.
The side with 5 pins is numbered ODD.

START on the OPPOSITE side of the missing pin.
As you can see there is -> No Pin 10.
The pin on the other end is Pin 2.

Pins 2, 4, 6, and 8. No Pin 10.

Other side;
Pins 1, 3, 5, 7, and 9.

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.

2) Pins 5 and 7 are for a Reset switch, IF a Reset switch is used.

3) Pin 9 is N/C. Not Connected. Reserved for the factory

4) Pins 2 and 4 are for the Power On LED. (Light Emitting Diode)
Pin 2 is for the Positive ( + ) wire.
If the PWR LED is dim when the computer is on, switch the wires around.

5) Pins 6 and 8 are for the Power On switch.

6) No Pin 10


The above is a PDF file, Illustrated Parts and Service Map, of the HP Compaq DC5850 Desktop PC.

If it doesn't work just by clicking on it, then copy it, and paste it in your browser search bar. Then press the Enter key.

[This is a PDF file. The computer you are using now has Adobe Reader on it, which uses PDF files.

After you click on the link it may take up to 30 seconds, before the first page comes up ]

For additional questions please post in a Comment.


Oct 09, 2012 | Dell HP DC5850 MS-7500 AM2 SYSTEM BOARD

1 Answer

Can you please show how to re-connect power led, power switch reset switch, hdd led &speaker cables to asrock k7vt4a+ motherboard diagram would be appreciated

there must be writen somwhere in the board it self. can you see the panel where you are trying to fit? see the whole board and you see the settings of it. just read what is written downwards to the first pci slots. i think this the setting.

Apr 16, 2011 | Asrock K7VT4A+ Motherboard

2 Answers

Can you help me locate the power switch and reset slot on my samsung polaris 33 motherboard?

I told another guy the same thing about a different board. Samsung doesn't even acknowledge mother boards because they sell generic boards to pc makers. Best way is to take the power wire from the case & start at the pins closest to you on the front panel connectors (fpnl on the board) & try each set of pins one at a time until it turns on when you hit the power switch. The reset is usually right across from the power. I've had to do this numerous times,so don't worry about frying anything.

May 14, 2010 | Motherboards

1 Answer

Power switch

When looking at the motherboard, position yourself so that the RAM slots are running vertically on the right side of the board. The PCI and AGP slots should be running horizontally on the lower left side of the board.

In the bottom right of the board, you will see a block that has 9 pins, a row of 4 on the top and a row of 5 on the bottom.

The middle pins, one above the other, are the power button connectors. Insert your PWRBTN# on the top and the GND wire onto the botton pin.

May 01, 2010 | Asrock P4i65G Motherboard

1 Answer

Can you help me locate the power switch and reset slot on my samsung polaris 33 motherboard?

look at your manual it came with or download from board company jim

Mar 25, 2010 | Motherboards

1 Answer

How to connect pwrswitch, pwrLED, IDE-LED, reset,

you will need a magnifying glass but theres a row of pins that are there to connect the power /all switches near one corner of the board and won;t have slots for all the lights you want to hook up ! just the function switches only!

Jan 13, 2010 | ASUS P5GC-MX/1333 Motherboard

1 Answer

Compaq presarios s5500uk wont boot up fitted new motherboard,pentium e5200 processor. existing hard drive ide seagate barracuda 7200.7 120 gbytes os windows xp

check the power supply: unplug the main connector from the motherboard,plug in the ac/mains power cord and switch on the on/off switch if any located on the power supply, locate the GREEN wire on the main connector that plugs on the motherboard, using a small length of wire insert one end into the plug where the GREEN wire is located and the other end into a BLACK wire on the connector. the power supply should power on if it is good: you will see and hear the fan turn on in the power supply. if it is good remove the wire and re-plug it.if it is not good replace the power supply. also check that the 110/220vac swithch is in the correct position for your mains you have a floppy drive connected to the system? if so un-plug it and try again,re-check that you pluged the power button switch connector on the mainboard correctly,

Nov 19, 2009 | EliteGroup G31T-M7 Motherboard

2 Answers


Hmmm.... mainly you have:
-20 or 24-pins connector, that is unique and goes directly to motherboard (powers motherboard and its components)
-4 or 8-pins connector that powers CPU
-the rest would be connectors for ROM (CD/DVD/BlueRay) and HDD devices (there are: molex and sata power conectors)

If you totaly unshure, there is manual:
Illustrated How to Replace an ATX Power Supply

Sep 05, 2009 | Motherboards

1 Answer

MSI KT3 Ultra2-R Motherboard

Sep 26, 2007 | MSI KT3 Ultra2-R Motherboard

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