Question about Gigabyte GA-7N400 Pro2 Motherboard

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Cooling fan Do you know what size the chipset fan is. 30mm or 40mm?

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40 x 40 x 10 with a red wire and black wire which plug into the motherboard. Easy fix by removing the four screws and old fan, and replacing it with the new fan. If your new fan has 3 wires, clip the white wire and tape the end, and splice the old plug on the new red and black wire.

Posted on Sep 23, 2009

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Depends on what the socket cpu your running is you can go bigger with the a bigger heat sink

Posted on May 20, 2008

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Install extra fan


Tom, Tom,........Tom,

If I've told you once, I've told you..............

OH,......where was I?

Oh yeah............

You post solutions.
How about posting the need information for your query?

Laptop manufacturer name, and model number.
(Bottom of laptop - Model Number)

Right off hand; A laptop that uses two cooling fans already?
I don't know if I would tax the DC - DC circuit on the laptop anymore, by adding a third fan.

Is this fan to take the place of the fried harddrive?

Hmmm,.........
The extra cooling fan would use at least 3 wires.
One for Power (Positive), one for Ground, (Negative), and a Sensor wire; so the laptop (BIOS) can speed the fan up when needed, or slow it down.

Positive ( + ) power pin, can be had from the Harddrive's interface it plugs into, on the laptop.
So can a Ground pin.
Not a sensor pin for speeding up, or slowing down a fan.

The internal cooling fan of a laptop, only uses two wires.
Positive, and Negative. It is the circuit the fan is plugged into, that can determine if the fan needs to be speeded up, or slowed down.

Point is, there isn't even a sensor pin FOR the installed cooling fans, to bring a jumper wire over TO the new fan.
(Which I wouldn't recommend anyway)

The two hardware components that give off the most heat, is the Processor (CPU), and graphics chipset. (GPU)

The CPU (Processor) is usually adequately cooled in a laptop.
The graphics chipset is usually, not.

Therefore, adding more surface area, to the Cooling Tube's small metal plate; is a method to help keep the laptop cooler.

Let's use an HP Pavilion dv6000 series of Notebook PC's, Cooling Tube for an example,

http://www.ebay.com/itm/HP-Pavilion-DV6449us-DV6000-Heatsink-and-Fan-431448-001-FOX3IAT8TATPC93A-/281108195757?pt=US_CPU_Fans_Heatsinks&hash=item41735aa9ad

This is actually the entire cooling system.
Fan Assembly, finned Heatsink, and copper Cooling Tube.

The large metal plate all the way to the Left, that has the X-shaped mounting 'arms' on it, sits on the Processor.

Come up towards the Right, along the Cooling Tube, and the odd shaped metal plate sits on the graphics chipset.
(To the immediate left of the black Fan Assembly)

See how small that surface area is, that sits on the GPU? (Graphics chipset)
The surface area is increased by adding a small piece of copper sheeting. (APPROXIMATELY, 1-1/4th inches by 1-1/4 inches)
Thermal Paste is put on the graphics chipset. Then small piece of copper sheet, then Thermal Paste; then Cooling Tube.

If you have twin fans, then you should have twin Cooling Tubes.
I have seen four Cooling Tubes.
Two for one fan, and two for the other fan. Two go to the Processor, and two go to the graphics chipset.

At any rate I am just rambling until I know what laptop we are talking about.
Could be a reference to a Desktop PC for all I know........

Regards,
joecoolvette

May 16, 2013 | Computers & Internet

1 Answer

Screen wont light up


wafy_m, the problem can be attributed to the graphics chipset, is lifting off of the motherboard.
The mounting has loosened.

This is because the cooling system for the graphics chipset, is inadequate.

Chip and Chipset are slang terms for I.C.
Integrated Circuit,

http://en.wikipedia.org/wiki/Integrated_circuit

The graphics chipset is the GPU,

http://en.wikipedia.org/wiki/GPU

The mounting of the GPU to the motherboard, is done with a BGA surface mount,

http://en.wikipedia.org/wiki/Ball_grid_array

To explain a BGA surface mount, compare to an older Intel Pentium 4 processor, that uses a Socket 478 processor socket,

http://en.wikipedia.org/wiki/Socket_478

The Processor has contact pins on the bottom. 478 of 'em.
The Socket 478 processor socket has matching socket holes.

With a BGA surface mount there are no contact pins, nor socket holes.

In place of the contact pins there are Solder Balls.
In place of the socket holes there are Copper Pads.
(Which have a gold plating on them)

The graphics chipset is set into place over the motherboard, with it's Solder Balls lining up on the motherboard's matching Copper Pads.

Heat is then applied at a specific temperature, and length of time.
The Solder Balls melt, which solders the graphics chipset to the Copper Pads.
(Which in turn solders the graphics chipset to the motherboard)

With the inadequate cooling for the graphics chipset, after time the solder connections will begin to partially melt.

This leads to a poor contact of the graphics chipset to the motherboard, and the problem you are having.

As previously stated the cooling system for the graphics chipset, is inadequate.

Cooling System:
The cooling system consists of a Cooling Tube, Heatsink, and Fan Assembly.

The Cooling Tube is a slightly flattened copper tube, filled with Nitrogen, and sealed on both ends.

Towards one end of the tube is an aluminum plate. This plate sits on top of the Processor. Has four screws through it. Removing these screws removes the cooling system assembly.

Coming up the tube a little bit, is another aluminum plate. This one is smaller, and sits on top of the graphics chipset.

Connected at the opposite end is the Heatsink.
The Heatsink is a small thin piece of metal, with Tall, Thin, fins protruding from it.

Next to the Heatsink is the Fan Assembly.
The Fan Assembly, is a Fan inside of a cage, or shroud.

Draws air up from the bottom of the laptop, and pushes it through the Heatsink's fins, and out the side of the laptop.

Heat from the graphics chipset, and the Processor, are absorbed by their metal plates.
The Cooling Tube absorbs heat from the two aluminum metal plates.

The Cooling Tube transfers the heat along up to the Heatsink.
The Heatsink absorbs the heat, then radiates it away with the Tall, Thin fins.

Airflow from the Fan Assembly, helps to carry heat away from the fins of the Heatsink.

The surface area of the metal plate on top of the graphics chipset, is too small. It is inadequate in surface area size.

The one on the Processor is barely adequate.

http://www.youtube.com/watch?v=bnkQNmKauEc&feature=relmfu

The above is posted for reference. Pause the video at 7:43 to see the cooling system I described above.

1) Black Fan Assembly to the upper left.

2) To the immediate left side of the Fan Assembly is the Heatsink.
Black in color, slightly rounded outside edge, goes along the full length of the left side of the Fan Assembly. Hard to discern the fins.

3) The aluminum X shaped piece with 4 black screws in it, on the copper Cooling Tube, is the metal plate for the Processor.

4) Coming up the copper Cooling Tube towards the Fan Assembly, is the second aluminum metal plate. It is shaped sort of like an S, with flat ends. This plate sits on top of the graphics chipset.

Solution?
Properly remelt the solder connections of the graphics chipset, to the copper pads.
Add surface area to the Processor's metal plate, and the graphics chipset's metal plate.

PROPER method is to use a BGA Rework Machine. Performed by a shop who has one.

ANY other method may is less than. The procedure may last a week, a month, or maybe longer.

There was a recall on this series of Notebook PC.
It is over,

http://www.nvidiasettlement.com/index.html

[ No, replacing the motherboard does NOT cure the problem ]

For additional questions please post in a Comment.

Regards,
joecoolvette

Feb 17, 2012 | HP Pavilion dv9000z Notebook

1 Answer

My computer fan wont turn off


That is because;

1) The inside of the computer is dirty. As such the cooling capacity has dropped. The Fan Assembly is trying to keep up with the call for cooling, and has to stay constantly on.

OR,

2) The laptop is suffering from an 'ailment', that is common for the Pavilion dv2000 series, dv6000 series, and dv9000 series of aNotebook PC's.

Specifically the cooling for the graphics chipset. It is INADEQUATE.

This leads to the graphics chipset overheating, and loosening the connection of the graphics chipset, to the motherboard.

To explain;

1) Chip and Chipset are slang terms for I.C.
Integrated Circuit,

http://en.wikipedia.org/wiki/Integrated_Circuit

2) The Chipset responsible for handling graphics, is the graphics chipset, or also known as the GPU,

http://en.wikipedia.org/wiki/GPU

[ The Graphics Processing Unit for the Pavilion dv6500Z Notebook PC, is an Nvidia GeForce 8400M GS,

http://en.wikipedia.org/wiki/Comparison_of_Nvidia_graphics_processing_units#GeForce_8M_.288xxxM.29_series

It is Integrated Graphics. The GPU is soldered to the motherboard ]

3) The Nvidia GeForce 8400M GS graphics chipset, is mounted to the motherboard with a BGA surface mount.

To explain the BGA surface mount;
Compare to the older Intel Pentium 4 processors, that use a Socket 478 processor socket.

The bottom of the processor has 478 contact pins.
These line up with 478 socket holes in the Socket 478 processor socket,

http://en.wikipedia.org/wiki/Socket_478

With a BGA surface mount, there are No contact pins on the bottom of the chipset, nor socket holes on the motherboard. (No socket)

In place of the contact pins there are Solder Balls.
In place of the socket holes there are Copper Pads.

The chipset is set into place over the motherboard, with it's Solder Balls lining up with the matching Copper Pads, on the motherboard.

Heat is then applied at a specific temperature, and length of time.
The solder balls melt, which in turn solders the chipset TO the copper pads.
(Solders the chipset to the motherboard)

With the inadequate cooling for the graphics chipset, the graphics chipset constantly overheats.
In due time the solder connections start to melt.

This creates a poor contact, of the graphics chipset to the motherboard.

Explanation of the cooling system, for a Pavilion dv6000 series of Notebook PC:

The cooling system consists of a Fan Assembly, Cooling Tube, and Heatsink.

A) The Cooling Tube is a slightly flattened copper tube, sealed on both ends, and filled with Nitrogen.

At one end it has a small metal plate.
One part of the metal plate sits on top of the Processor, and the other part sits on top of the graphics chipset.

The small metal plate AREA for the graphics chipset is TOO small.

Heat is absorbed by the small metal plate. The heat is then absorbed by the Cooling Tube.

At the opposite end of the Cooling Tube, is the Heatsink.
The Heatsink is a small piece of metal, with Tall, Thin fins, protruding from it.

The Heatsink absorbs heat from the Cooling Tube, and radiates the heat away with the Tall, Thin fins.

Air flow from the Fan Assembly, helps to carry heat away from the fins.

http://www.insidemylaptop.com/disassemble-hp-pavilion-dv6-laptop/

Drop down to Step 28. Here you are looking at a top view of the motherboard, and a top view of the Fan Assembly, to the upper left of the motherboard.

Go to Step 29.
This photo shows the bottom of the motherboard, and the cooling system.

Fan Assembly (Black),

Heatsink, (To the immediate right of the Fan Assembly. Black in color.
You can barely make out fins running horizontally),

and Cooling Tube. (Long curved copper tube looking object)

This explains in more detail, and is a video.
It is posted for reference ONLY, and not advertising for the video poster,

http://www.youtube.com/watch?v=JEpnqhRYGLw

(The BEST method is to use a BGA Rework Machine. This way you KNOW the job will only be done ONCE)

For additional questions please post in a Comment.

Regards,
joecoolvette

Jan 29, 2012 | HP Pavilion DV6500Z Notebook

1 Answer

I have a 3dfr6200lee BFG Technologies 3DFuzion GeForce 6200 LE Graphics Card. The cooling fan on it broke, and I am looking for a replacement fan. What is the specs on the fan itself ... ie, pin width,...


Hi, Amazon sells a 40mm fan for about 4.99, it is a 3 pin setup (may be available in 2 pin). But that should be about the same size as your existing card fan. Just watch for height issues on the new fan. This would be easier that trying to replace the existing fan, as it is most likely powered through your video card port and would be difficult to replace.
As far as mounting it to the card, try just a couple of drops of super glue on the outside corners of the fan, then mount it to the heat sink on the card, the existing fan is probably mounted w/ screws, you may get lucky and the new fan will match the existing holes, otherwise just super glue it.
Not a factory fix, but it will work!
Take care Dave

Mar 30, 2011 | BFG Technologies (3DFR6200LEE) 3D Fuzion ...

1 Answer

I need to know what the specs would be for the case cooling fans so I can replace them.


40mm fans 5v bearing type. or you can change them to 12v fans same size and hook them up to the hard drive power leads. 2w fans only.

Dec 13, 2010 | Dedicated Micros Digital Sprite 2 RS Video...

1 Answer

I need a case fan dont know what size I need. screw holes ar 2'' apart


Measure the diameter of the fan blades in millimeters. This sounds like a 40mm fan.

Jan 19, 2010 | Computers & Internet

1 Answer

Need to find a photo capacitor for a sb-600 flash


http://www.jamicon.com/capacitor.html
you may use 680uF-1000 but 350-400Volt.
Check Voltage,be carefull!!!!!
in you system voltage exeed nominal level 330V! may be 350-360V-result die capacitor.
For normal use capacitor on 330v good maximum voltage wil be ~280V.

sorry for my english)
Best regards,AlexOn

Sep 03, 2009 | Nikon Speedlight SB-600 TTL Flash

2 Answers

We have a LC427SSX and want to mount it on the wall


The thread size is standard, just a metric standard. To attach the Sylvania LCD427SSX to the wall mount bracket you'll need (4) metric 8mm machine screws with a 1.25mm pitch. You'll find them at your favorite neighborhood hardware store with the designation M8 1.25x40mm. (40mm long...the 30mm would be to short)

Jul 09, 2009 | Sylvania LC420SS8 LCD TV

1 Answer

40mm Solarmax Filter


Howdy,

Measure the aperture of the output (eyepiece end) of the blocking filter. That diameter in mm determines the BF size.

That is not the only difference among all the bloacking filters but is the way to determine which one you have.

Regards, Marc

Jun 27, 2008 | Coronado SolarMax 40 Telescope

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