Question about Thermaltake (LANFIRE) ATX Mid-Tower Case

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Connecing fans so i can control speed

How do i connect up the fans any way i have tried i just get them working but not able to control the speed of them with the control nobs on the fron of the case????

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A lot of the times the way you hook up the fans to the power supply can determine which powe setting they are on. 3 pin or 4 pin connectors? Do the y have switches on them? Some fans have auto, hi and low settings on them.

Some fans will only run at one speed no matter what, make sure you have adjustable fans. YOu can go to zipzoomfly.com or newegg.com and do a search for case fans and find some that suite what you need. YOu can replace fan real cheap nowadays.

Also check to see i you have eom software that came with your case that you may need for your mobo to be able to adjust your fans.

Posted on Nov 30, 2008

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Do I need to use the fan control that came with case? Because I heard it causes problems with the case.


Not at all... just bypass the controller and connect directly to the 4 pin power molex connector or Fan connector on the motherboard if they are available with your motherboard.

Nov 20, 2010 | Ultra Products Ultra M923 Full Tower ATX...

1 Answer

How do I find a manual for the ULT40278. I'm trying to figure out you would connect 2 fans when some motherboards have only one fan connection?


Motherboard fan connectors typically use a small 3-pin which looks like this: zero_awake.jpg
the left connector is a female connection (the side with 3 holes) the middle and right are male connections, has 3 metal pins:
  • Black: GND (ground)
  • Red: +12VDC or +5VDC (12V or 5V DC - direct current)
  • Yellow: Tachometer signal (used to read fan speeds)
NOTE: Wire color may vary, and some fans or motherboards may control fan-speed.

Some fans use a 4-pin connection, which is generally a CPU fan connector but not always:
zero_awake_0.jpg
This pictures a 4-pin connection, but may look different from other 4-pin connections because the wires are covered in a black sleeve, which keeps them safe from harm and to reduce potential negative affects on airflow created when there are lots of loose wires inside a computer case.

zero_awake_1.jpg
This photo shows a 4-pin connection attached to a motherboard next to a 3-pin connection in a motherboard. While it is not recommended in the case of the CPU's fan, in the case of other internal case fans with a 4-pin connection, it is possible to plug them into a 3-pin connector of the motherboard, but the ability to control fan speed, which is controlled in the 4th pin will be lost.

Though sometimes computers have a way of controlling fan speed on a 3-pin or 4-pin connection even without the 4th pin, such *** voltage regulation and reading tach. feedback. These things are typically things a general user doesn't need to worry about unless their computer is running particularly hot and causing trouble.

In which case, it might be worth investing some money in a fan controller, which takes a power connection, several fan connections (varies based on the controller you get) and gives you the ability to control fan speed externally on your computer case. My controller has nice dial knobs, though some "fancy" controllers have a display and up and down buttons. (Fan controllers would be at your own discretion in terms of price, you can get them cheap all the way up to seemingly ridiculous expensive)

In the event of not having enough 3pin or 4pin connections on a motherboard, it is still possible to add case fans by way of 4pin molex connections:
zero_awake_2.jpg
A female molex connection

zero_awake_3.jpg
A male molex connection

Some case fans run exclusively through these connectors, others have a combination of a 3pin (or 4pin possibly, though I've never seen this combination) and a 4pin molex connector. In this case, the molex connector can connect directly to a cord from the power supply and run the fan. It is possible to run case fans without having them connect to the motherboard at all! Which makes it possible to connect more fans, with less available connections for your fans on your motherboard.

If a fan is a certain connection (any of the 3) and you need to convert it, for example:
  • a 3pin to a 4pin molex because your motherboard doesn't have enough 3pin connectors for all your fans,
adapters are available to change one type of connection to another, at many online retailers (such as newegg.com, amazon.com, or other electronic supply retailers) and some retail stores, Best buy might have something, though you'd have a safer bet at a store like Micro Center which is more specialized for PC building or an alternative PC/electronic store.

To ensure you solve your problem, just be sure to familiarize yourself with the motherboard you are planning on buying (or have) and the fans you plan to have inside your computer. It can be a bit more work to check the specs on the fans and motherboards, but a little work saves hours of headache later.

Nov 03, 2010 | Ultra Products Ultra ULT40278 XT MicroATX...

1 Answer

My case fan speeds up for no reason. could this be the case power supply ?


If it is connected to the motherboard itself then it is likely that the motherboard adjusts the speed to maintain the correct temperature. If it is connected directly to the power supply then it could be a poor connection or power supply fault. The problem could also be the fan itself, this could be a sign of the bearings wearing out. Hope this helps.

Oct 10, 2009 | Computer Cases

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I have a power supply that is turning itself off immediately after switching it on it is a new motherboard as well Any ideas why ?


I think either the MB or the CPU is with problems.

Try (2 after 1 works, 3 after 2 works...):
1) only PSU+MB+CPU and Fan - works? beeps like crazy?
2) add memory - works? single beep?
3) add/connect video - any image?

All other connectors off (disks, etc) only PSU, fan and case buttons.


If you don't get past 1), go back to the store and have it tested/returned there.

Mar 20, 2009 | OEM Systems Xion / 400-Watt / ATX / 80mm...

1 Answer

Raidmax Sirius mid-tower case fan alarm


Here are some solutions:
1. Try to use some silicon oil in fan apertures to decrease rub
2. Try to manually (look for a mainboard's service software settings) decrease rotation speed if available
3. Less recomended: disconnect fan cable from mainboard and don't stress your computer (try not to overheat, - work with software that uses less resources) and buy a new one when available

Jan 28, 2009 | RaidMax SIRIUS (ATX-701WS) ATX Mid-Tower...

1 Answer

I have an APEVIA X-Plorer ATXB8KLW-BK case that I need help with


you need to plug your fans into the fan controller instead of the motherboard, but whatever you do dont hook the cpu fan up to it or you will get issues apon booting

Dec 15, 2008 | Aspire CASE ATXB8KLW AL 420 RT

1 Answer

My five fans stopped working


As long as the CPU fan is operational your OK - the land in the power supply for the 12VDC fan voltage probably got hot and has an intermittent connection. You could try to connect the fans to another power supply connector - but as far as the computer itself you should be OK

Nov 19, 2008 | Aspire Digital Aspire X-Navigator,...

1 Answer

Fan controller does not work! Power Up (TC3J-4048)


It is bad out of the box. either take it back or email whoever sold it to you and get a new fan. You should not have to pay for a new one.

Dec 30, 2007 | Power Up (TC3J-4048)

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