Fans/Fan Controller

Thrackan · Feb 9, 2009

Right. This is why I never buy fans with only a 4-pin Molex connector

Basically, a normal 3-pin fan connector has 3 wires connected: 12v, GND and RPM.
A normal fan controller has a variable resistor that connects to the 12v line of your fan. The knob can be used to turn fan speed down.
Your ZM-MFC2 (wild guess

) works a little different, but you should still be able to control any properly connected fan (with 3 pins!) with it.

2 options:
- Mod your 12v and GND into the same connector your RPM sensor is on (which is wired Yellow (RPM), Red (12v), Black (GND)
- Get fans with a normal 3-pin connector.

EDIT: I just saw your adapter cable. Mod the RPM wire into the empty hole on the small connector there, should work fine.

apheX? · Feb 9, 2009

Thrackan said:
Right. This is why I never buy fans with only a 4-pin Molex connector

Basically, a normal 3-pin fan connector has 3 wires connected: 12v, GND and RPM.
A normal fan controller has a variable resistor that connects to the 12v line of your fan. The knob can be used to turn fan speed down.
Your ZM-MFC2 (wild guess ) works a little different, but you should still be able to control any properly connected fan (with 3 pins!) with it.

2 options:
- Mod your 12v and GND into the same connector your RPM sensor is on (which is wired Yellow (RPM), Red (12v), Black (GND)
- Get fans with a normal 3-pin connector.

EDIT: I just saw your adapter cable. Mod the RPM wire into the empty hole on the small connector there, should work fine.

i have no idea how to do that... and how do i know if a fan has a 3pin connector? say i see one on scan.co.uk, it never says.

Thrackan · Feb 9, 2009

Let me find my simple guide to (un-)plugging fan connector wires, just a sec plz.

Here:
http://forums.techpowerup.com/showthread.php?p=1063719#post1063719

And here:
http://forums.techpowerup.com/showpost.php?p=1056496&postcount=55

Should get you on the way.

EDIT: by the way, scan.co.uk is crap on info... can't find any specs or manufacterer spec links like a good webshop should have imho

apheX? · Feb 9, 2009

Thanks but what is it i have to do? lol sry im a dummie

Thrackan · Feb 10, 2009

Heh, no problem, I'll just lay it out for you

1. Connect your fan's 4-pin (the bigger one) to the adapter cable
2. Get the yellow wire out of the smaller connector of the fan
3. Stick the yellow wire into the smaller connector of the adapter cable
4. Stick the small adapter end on your Zalman MFC2 (on a 3-pins connection)
5. Go all "yay!" and stuff

apheX? · Feb 10, 2009

you know the 4 pin molex adapter i got only has 2 pins in it right?

King Wookie · Feb 10, 2009

apheX? said:
you know the 4 pin molex adapter i got only has 2 pins in it right?

There's your problem. You need 2 wires for power, and the 3rd for the rpm monitoring. Red and black are power, the yellow or white is normally rpm sensing.

t77snapshot · Feb 10, 2009

Get the Thermaltake "smart fan" It comes with it's own rpm controller.

Thrackan · Feb 10, 2009

King Wookie said:
There's your problem. You need 2 wires for power, and the 3rd for the rpm monitoring. Red and black are power, the yellow or white is normally rpm sensing.

That's why you take the seperate yellow RPM wire on your fan and put it in the small side of the adapter

kiriakost · Feb 10, 2009

If some one likes to make money ,
he must build a PCI card that can monitor the RPM of 8 fans. :laugh:

My motherboards RPM sensors are full .

Thats why i got those fans .
http://forums.techpowerup.com/showthread.php?t=83465

"Set it and forget it"

apheX? · Feb 11, 2009

Sucess! Thanks a bunch Thrackan! its worked and now there really silent, seriously i come in the room and have no idea its on! lol

Here are my temps with the fans at around 1040rpm. I heard that i should be looking to keep everything below 50 degrees right?

1 Problem tho, now i connected them all i dont know what it is but theres a faint buzz noise, loose screw or something i dont know....

Thrackan · Feb 11, 2009

I've had several causes for faint buzzing before.

- Once it was a fan running low speed, the noise went away when I turned the fan up a bit.
- Second time it was the fan of my PSU. Switched PSU later on.
- Right now it is my 250Gb hard disk (WD2500JS) which is buzzing even though it is in rubbers. I'm going to make damping on my 4-in-3 module and/or replace my 250Gb drive.

Exavier · Feb 11, 2009

Thrackan said:
- Right now it is my 250Gb hard disk (WD2500JS) which is buzzing even though it is in rubbers.

I have this really odd vision of thrackan's hard drives all suspended by knotted condoms now..

Thrackan · Feb 11, 2009

Exavier said:
I have this really odd vision of thrackan's hard drives all suspended by knotted condoms now..

You have to wipe off the lube first though

Nah, they're in a 4-in-3 module which has rubber grommets around the screws.

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System Name	Acer Aspire V3-771G-53218G75Maii
Processor	Core i5 3210M (2,5-3,1Ghz)
Memory	8GB DDR3 SODIMM
Video Card(s)	Geforce GT650M
Storage	Samsung 830 256GB - 750GB Toshiba drive
Software	Windows 7 x64 Home Premium (non-acer-bloatware)

System Name	Evolution X
Processor	Intel Core i7 920 2.66GHz
Motherboard	Foxconn Blood Rage X58
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System Name	Acer Aspire V3-771G-53218G75Maii
Processor	Core i5 3210M (2,5-3,1Ghz)
Memory	8GB DDR3 SODIMM
Video Card(s)	Geforce GT650M
Storage	Samsung 830 256GB - 750GB Toshiba drive
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Fans/Fan Controller

Thrackan

apheX?

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apheX?

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apheX?

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King Wookie

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t77snapshot

Thrackan

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apheX?

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