Question about MSI PM8M-V Motherboard

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Dear Sir, My Pc don,t start only the CPU fan starts.I think a connect a wrong cable at the 4 pins connection plug adjacent to the main power cable connection. Please help me to solve this problem.

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1. Try reconnecting the power connectors
2. Try with another SMPS

Posted on Mar 01, 2009

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How do i put the power cables on their place


Hi
There are usually two power connections to a motherboard
First, a 20 or 24 pin supply for the main supply to the board, usually situated near the edge of the board nearest the front of the computer.
Second, a 4 or 8 pin supply for the CPU, usually located near the CPU socket, and the back of the computer by the keyboard & mouse ports.
These are plastic moulded plugs which cannot be inserted the wrong way round so do not under any circumstances try and force them into their sockets.
Picture 1, 25336079-0zjgx3l01ilvrugbqurlbg5i-5-0.jpg shows a four pin CPU socket
Picture 2, 25336079-0zjgx3l01ilvrugbqurlbg5i-5-2.jpg shows an 8 pin CPU socket
Picture 3, 25336079-0zjgx3l01ilvrugbqurlbg5i-5-5.jpg is a 24 pin main power supply socket.
Hope this is helpful, if so would you please register that with Fixya
Cheers

Dec 24, 2014 | Intel Motherboards

1 Answer

Temp sensor damaged


Hello here is the homepage:

http://www.gigabyte.com/products/product-page.aspx?pid=3572#dl

Did you by any chance overclock the cpu in the bios ???
If so select a setting that is lower.
Have you added some thermal grease between the cpu and the cooling element ???
Is the fan connected right to the mainboard ???
The fan must be connected to the CPU_FAN 4 pin connector on the mainboard so the bios can control the speed, when the cpu gets hot.

I don`t know what size you case is but, you can add a 120 mm fan
below the power supply, and connect the power plug to SYS_FAN on the mainboard.
This should give a better airflow in the case.

In the end, i think a bios setting is wrong. Try to download a manual and check the settings in the bios and also you electrical connection.
The pc should not switch off before it reaches 70 degees celcius.


1_8_2013_9_15_05_pm.jpg

Hope you will get a cooler pc after this.

Jan 08, 2013 | Gigabyte Ga H55m D2h Desktop Motherboard...

1 Answer

I have got a system with an Aopen motherboard which having only a 20 pin connector for smps connectivity. the Atx smps i have is is 24 pinned. i can connect the main line by splitting up the 24pin...


The actual Processor fan connects to the CPU Fan header on the mainboard. It's 4 small pins. It plugs in right near the CPU socket on the mainboard. Check the user manual for exact placement, you may download it from the AOpen website if you don't have one already.

Plug in the 20Pin connector if that is the most Pins that the mainboard will allow. Cable tie the other 4Pins back onto the 20Pin connector.

Then if there is additional 4Pin connector required by the mainboard for CPU power and you don't have that connector on you power supply, you will need to purchase a Molex to 4Pin CPU power connector. When you go to the computer store check with them that all is correctly connected.

Take care!
damnor01

May 25, 2011 | AOpen MX4GER Motherboard

1 Answer

I have a an35n ultra v1.1 motherboard I power on my tower,it does power on but it wont post I dont see anything wrong with cap's cpu was tested and checks out Power supply is good Tryed a new video card...


Hello Phenom, Hi.... to properly run/test a motherboard, you need to make sure this parts are good with no doubt functioning. 1. the power supply, 2. Memory, 3. keyboard, 4. Processor with FAN 5. PC speaker(built on-board or the thumb speaker) and 6. monitor How to test. First remove all motherboard connections. Now reconnect the following. 1. make sure that the power supply 20/24 pin is connected properly to the motherboard (and please test this power supply before making connections. To test independently short green wire to ground and plug the unit. you should see the fan spin) 2. make sure that the 4 pin 12volt power connector is also plug in nice and tight. 3. clean the memory slot using a clean paint brush and the module (DDR/2) terminals (the contacts) using an eraser, 4. connect the keyboard, 5. make sure there is a PC speaker connected. 6. connect the power switch of the front panel, 7. Connect a monitor on the VGA port 8. Power on the PC. 8. Look at the keyboard lights 3 LED momentarily. num lock + caps lock + scroll lock and after several seconds 1 LED light, num lock only. If you reach this part you should also hear a beep. then the POST will appear. If you don't reach this part, start again from the top. do this several times. Still no response? you motherboard is bad.

Jan 07, 2011 | Shuttle AN35N Motherboard

1 Answer

Cpu fan stop few second after starting pc


Hello,have you installed new motherboard or CPU?
Follow these steps again
1) Disconnect the power cord from the back of the computer & open up the case.

2) Wear an anti-static glove or at very least discharge your static by touching a metal surface or power supply

3) Disconnect the main 20pin ATX power connector from the motherboard & the square 4pin ATX2 power connector

4) Remove any PCI cards you have & disconnect ALL drive cabling from the MOTHERBOARD. Also disconnect any internal USB fly leads from the motherboard.

5) You should now have ONLY the cpu+heatsink/fan, memory & video card installed. Locate the round silver battery in the bottom right corner of the board. Just below it, you'll see a plastic jumper cap. This cap should be covering 2 pins (pins 1 + 2) with pin 3 bare. It will be marked JP1. Move the jumper to cover pins 2-3 instead. Leave in this position for about 30 seconds, then return the jumper to its original position (pins 1-2).

6) Reconnect the square 4pin ATX2 power connector & the main 20 pin ATX power connector. Make sure that the case speaker or buzzer is connected also.

7) Make sure the only external devices connected are the keyboard/mouse & monitor. Reconnect the power lead & power on the system

Let me know what happens

Feb 06, 2010 | ASUS M2N68-AM SE2 Motherboard

1 Answer

CPU overvolted and burn using 8pin eps12v cable on crosshair


no i dnt think so some time due to manufacturing defects this happens the new one wont burn unless and untill u over volt it.

Jan 31, 2010 | ASUS CROSSHAIR Motherboard

2 Answers

How conect the power switch ?


If you look closely on *********** board, you will see the PW SW printer on the board.
This is the on off connection to be made by the power switch.

Nov 27, 2009 | Motherboards

2 Answers

Psu


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

Motherboard not working correctly.


The way that I solved the problem was to unhook each and every connection to the motherboard except for the 4-pin and 24-pin power supply connections, the processor, the cpu fan and the power on switch connectors, once I have done that, then I plugged in the power supply and turned it on, in which that worked! After that, I would hook everything up to the motherboard one piece at a time, in which after each piece I would turn the power supply on again to see if that was the problem. Starting with the hard drive, the memory sticks and then the DVD drive, and found out that was the problem. The cable between the DVD drive and motherboard was the wrong cable for that motherboard. I will purchase a new cable and see if that works!

Apr 21, 2008 | EliteGroup 945G-M3 (V1.0b) (945GM310B)...

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