Question about Intel D850MV Motherboard

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POWER SWITCH Where to connect power switch connector in p4 850 mv.

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Hi sivaprasanna,
Do you still have your manual? If so turn to page 72 for location.
For a close look at the motherboard front panel led to MB pins look at these two pics.
Location of front panel connections;

POWER SWITCH - f111d01.jpg
Item " A " is the front panel MB pins.

Pic two is the layout for each front panel connection;


The power on jumper uses pins 7 & 8.
Pin 7 is positive & pin 8 is negative.

Good luck sivaprasanna!
Mike

Posted on Nov 09, 2008

Testimonial: "Thank youvery much,but now i dont havethat PC."

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Hi Dear FRNS
this is for your
ga-g31m-es2l where is the power Switch Panel Problem
hope this will help you ( Careful on + & - )
By
SOUL
POWER SWITCH - 11_19_2012_12_09_04_pm.jpg

Posted on Nov 19, 2012

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Hi,rear left indicator staying on front left not working, checked bulb, bulb holder, fuses ok.right indicator ok thx


Hi, Jeff before diagnosing any turn signal issue make sure the bulb is good and the light fuse has continuity with a test light. If no turn signals work the cause could be a faulty turn signal module or the connector going to it, look for corroded, loose, or broken pins/sockets. Contact spray cleaner is great for removing corrosion. If your speedometer does not function properly it will have to be fixed first because your turn signal module gets the data from the speedometer for normal turn signal function. If your front turn signals don't work use a test light to check for power and ground at the bulb socket, then start backtracking the wiring through every wire connector to the turn signal switch/button and check for continuity, go all the way back to the fuse if necessary to find the cause of the malfunction. If your rear turn signals don't work check your rear fender wiring harness connector first for corroded, broken, loose pins/sockets, power, and a good ground, (the harness connector is usually located under the seat on the front of the rear fender) then keep tracing the wiring look for obvious harness damage caused by the rear tire. If you still can't find the malfunction backtrack from the rear fender wiring harness connector. If one side does not work you could have a faulty turn signal switch or module check for continuity. For more information about your issue, please visit the websites below. Good luck and have a nice day. Mv agusta f4 and manual
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Test atx-300-12e power supply


Remove the switch mode power supply from the computer.
You need the pin out details of the 20 pin connector from this WEB site.
http://pinouts.ru/Power/atxpower_pinout.shtml.
You will also need a multimeter to test the 4 pin connectors for the 5 and 12 volts.
Connect a hard drive to one of the 4 pin power connectors, this will provide a load on the power supply when it is powered up.
Connect the mains power to the switch mode power supply and if the switch mode has a switch on the back then switch it to the ON position.
Straighten a paper clip to form a U shape and insert one end of the paper clip into pin14 and the other end into pin 15 or 16 or 17 (ground). This is the same connection/switch on the power button on the front panel of your computer.
You can now measure the voltage on the 4 pin connectors for 5 volts (red and black wire) and 12 volts (yellow and black wire).
If you don't get these voltages then the switch mode power supply is faulty and needs to be replaced.

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I have 1999 VW Beetle 2.0 have change all cooling fan parts all new relays sensors fans control modules and the temperature dash light keeps showing hot what could it be thats going wrong


connection to radiator fan switch could be bad.

If I take out the connector from the fan switch (thermo switch/fan control switch) that light acts just as you described.
So check the fuse box on top of the battery, take out the fuses and make sure nothing is melted. Now check if you are getting power to the switch connector. red wire is hot wire, 2 striped wires can be used as ground. Make use you get around 12 volts, not mV.

if you got no power there then try checking continuity in the wiring... you need power there to make thing work :D

learning from experiencing.

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Dont seem to have enough front panel pins for all my case wires


Hi Greeneyedbj,

What kind of I/O connectors are you looking for *********** board sir?

pcsyke_138.jpg

The image above has the following for your I/O connectors.
1. Three usb headers up to 6 additional devices, most casing can support 2-4 pins. 2. Front Audio Connector. 3. Front Panel Connector. Power Sw, Reset Sw, Powed Led, HDD Led

Branded casing has the following I/O connectors.
1. Esata 2. Firewire (Dont use the USB headers, firewire use a different pin-layout) 3. Chassis Intrusion Alarm Header.

Hopefully this information helps.
You can ask for more help.
Thank you for using FixYa.

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I can not get brake light to work blinker works ,the brake switch has power on one side but not other.tried the 4 way connection under the truck no power there


Hi, I'm not sure I understand what you have said. When you say the brake switch has power on one side, is the connector off or on the switch? It is nromal for it to have power on one side until the switch is closed by pushing the pedal. If the switch is mounted and the connector is on the switch, there should be power on both sides when the pedal is pushed or else the switch is bad. You can test this by pulling the connector off and using a large paperclip to connect the 2 terminals inside the connector. Please let me know if you have questions, and thanks for using FixYa.


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How to power up a compaq 243890-001 power supply without the the motherboard? Its not green to ground


Remove Power Supply
1 . Shut down your computer and unplug the power cord and all cables connected to the system.

2 . Open the computer case and disconnect all power connectors from the motherboard, drives, cards and fans.

3 . Remove the four screws that secure the power supply to the case. These screws are located on the back of the computer case, at each corner of the power supply.

Wire and Start Power Supply
1 . Switch the power supply to the "Off" (sometimes "O") setting.

2 . Insert the end of one wire from a single pole, single throw (SPST) switch into the green wire of the ATX power connector (the largest power supply connector).

3 . Insert the end of the other wire from the SPST switch into the black wire of the ATX power connector. If your power supply has two black wires, connect the SPST to the black wire directly beside the green wire.

4 . Wrap electrical tape around the ATX power connector and wires from the SPST switch to hold them in place. Make sure there is no exposed copper or silver wire from the SPST switch wires.

5 . Turn the SPST switch to the "Off" position, if not already set. Plug the power supply into the wall outlet and switch it to the "On" (sometimes "I")setting.

6 . Connect any other computer components that you wish to operate without the motherboard, such as fans, drives or cards. Turn the SPST to the "On" setting to activate the power supply.


Hope the above information will be helpful to you.
Thanks.

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1 Answer

I need to connect the(power led,reset switch,hdd led,dc switch)


Well I was a little confused since your category is with the Gigabyte.. k.. let's proceed like this.. First of all refer to this Photo.. eb607bc.jpg See the Arrows direction, when you carefully look at the male connectors (pins), you'll notice that there's something written beside them.. P or power or pw switch Reset switch, hdd led, power led etc.. Here you have to connect the corresponding connectors in the direction (This Way) shown with the arrow, as of now.. Vertical direction not horizontal, or else there might be problem later.. so check this carefully and do the connection. If you still can't make out, let me know again.... Good luck.. nonontech@gmail.com

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1 Answer

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Here is repair information from Mitchells:
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2) Connect test light between power mirror switch harness connector terminals "A" (orange wire) and "J" (Black wire). If test light illuminates, check for poor connections at the power mirror switch. If connections are okay, replace power mirror switch. If test light does not illuminate, repair open in Black wire between power mirror switch and ground.

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1 Answer

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Hi there
The front panel connectors are mainly,
  • harddisk activity connector
  • power switch connector
  • reset switch connector
  • power LED connector
  • speakers connector
  • USB connector
Harddisk activity connector
This normally comes red in colour and is labeled as HDD-LED
Power switch connector
This comes green in colour and is labeled as POWER-SW
Reset switch connector
This usually comes grey in colour and is labeled as RST-SW
Power LED connector
This is usually green in colour and is labled as PWR-LED
Speakers connector
This speaker will give different beep sounds during boot to tell the user if there is any errors. It occupies 4 pins, however only 2 is important for the function. Be sure to connect the red coloured cable to the positive polarity and the black to the negative.
front_panel_connectors.jpg Front panel connectors pins on the motherboard
front_panel.jpg Front panel connectors from the casing

Good luck and thanks for using FixYa!!

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You cannot buy these power supply now, most likely you might find one/computer in a junk shop.
If you have electronic knowledge you might be able to cut off the connectors from the old power supply and connect it to the ATX power supply and modify the ATX power supply so you can switch on the power to the old computer. The old AT power supply uses a mains power switch whereas the ATX uses low voltage to turn on the power supply.
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