How GPU fans are steered?

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Anonymous
How GPU fans are steered? 2017-03-08 09:10:47 Post No. 1141765
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How GPU fans are steered? Anonymous 2017-03-08 09:10:47 Post No. 1141765 [Report]

Tried to run it like standard PWM fan, assumed that arrow points for +12V and ground is next to it, did not work.
Anyone have idea if it's possible to run GPU fan without steering? just +12v.
I want to reuse heatsink of busted graphic card for other purposes, but can't make fan to run...
Original card model: gigabyte GTX 570.

Anonymous 2017-03-08 09:22:47 Post No.1141771
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Anonymous 2017-03-08 09:22:47 Post No.1141771 [Report]

http://www.tomshardware.com/answers/id-2205716/explain-3pin-4pin-fan-correctly.html

Anonymous 2017-03-08 09:25:26 Post No.1141773
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Anonymous 2017-03-08 09:25:26 Post No.1141773 [Report]

also: https://allpinouts.org/pinouts/connectors/motherboards/motherboard-cpu-4-pin-fan/

Anonymous 2017-03-09 01:44:16 Post No.1142076
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Anonymous 2017-03-09 01:44:16 Post No.1142076 [Report]

>>1141765
arrow indicates pin 1, not anything more.

Anonymous 2017-03-09 07:48:23 Post No.1142172
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Anonymous 2017-03-09 07:48:23 Post No.1142172 [Report]

>>1141771
>>1141773
This is not CPU plug is smaller than regular CPU plug
However I kept tearing it down and got in to the name of producer and model.
However even in their spec sheet it did not tell wiring. So kept tearing down... to the point of breaking plastic that seats fan and uncovering electronic board.
NOW found where is ground and +12 and so on, or would work with PWM control on board, but would have to change wiring order. And made it work with 12V power supply, works with 5V as well, it will be nice cooler for my DIY grow lamp hah 100x3W full spectrum, will probably go with 2/3rd of power tho.
And cable on right was ground. next to it was +12, cut off other 2 and glued back fan holder.

How GPU fans are steered?

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