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Help with PWM atm please!! - Page 2

post #11 of 26
Thread Starter 
Quote:
Originally Posted by gymenii View Post

This is all you need to safely run several PWM fans. Power for fans comes from the PSU, receive signal from the CPU fan header - Akasa PWM Smart Fan Cable
cab-183.jpg
Just to note, you should double check that Sys_Fan2 fan header is really PWM, as I suspect it's actually voltage controlled and is tied to the CPU fan header.

Well you see... i'll check that out right now. But basically let me just tell you that on sys_fan2 I see that it is four pin so I assumed that it was pwm controlled. i'll look. so what about the five way akaska? I am going to pick this up after you showed me it looks nice.
post #12 of 26
Thread Starter 
Sys_fan2: 1.GND 2.+12V/Speed control3. Sense 4 Reserve.

Cpu fan header: GND, 12v/speed control, sense, and speed control.


These are the only four pin fan headers sysfan1/pwr_fan: are three pin and include GND,+12v, and sense.
post #13 of 26
Quote:
Originally Posted by Ludking View Post

Sys_fan2: 1.GND 2.+12V/Speed control3. Sense 4 Reserve.
Cpu fan header: GND, 12v/speed control, sense, and speed control.
These are the only four pin fan headers sysfan1/pwr_fan: are three pin and include GND,+12v, and sense.

re: sys_fan2 - If that came out of your manual, then like I suspected it's voltage controlled. It is setup this way so you can use a 3 pin fan and still maintain functional fan control via CPU temp; this is usually specified in the system monitoring software that came with your mainboard.

(might want to fill in your system specs so we don't have to guess what you have thumb.gif)
post #14 of 26
Quote:
Originally Posted by Ludking View Post

What is it exactly you were speaking about? how would this be set up and would it include not touching any stock fans at all, what product would help with being a molex connection like this? Just want to know, or get a better explanation. I am not computer illiterate it is just that i do not know much about pwm, and setting stuff up have never done all this, most was usually molex and stuff in my builds and people I have built stuff for, what if I need to do something for someone in the future?

Sorry... I was out all day and did just get back to the computer... I was going to write an explanation on this and point you to the appropriate kit, but seems gyemnii has already done so. Basically; all you need is the wire harness linked below and you're good to go.
Quote:
Originally Posted by gymenii View Post

This is all you need to safely run several PWM fans. Power for fans comes from the PSU, receive signal from the CPU fan header - Akasa PWM Smart Fan Cable
cab-183.jpg
Just to note, you should double check that Sys_Fan2 fan header is really PWM, as I suspect it's actually voltage controlled and is tied to the CPU fan header.
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post #15 of 26
Thread Starter 
Quote:
Originally Posted by gymenii View Post

re: sys_fan2 - If that came out of your manual, then like I suspected it's voltage controlled. It is setup this way so you can use a 3 pin fan and still maintain functional fan control via CPU temp; this is usually specified in the system monitoring software that came with your mainboard.
(might want to fill in your system specs so we don't have to guess what you have thumb.gif)


Well it does say this:

"The motherboard supports CPU fan speed control, which requires the use of a CPU fan with fan speed control design."

So Gymenii or anyone else is this a bad thing or a good thing just wanting to know, I do have an OCZ fully modular 750W PSU btw, just to let you know. I want to mainly replace the rear fan, the side fans on the lanboy air, and add top fans, and extra optional side fans, all PWM.

I hear people mentioned ty-140's to put on my hyper evo which has not arrived yet, it has 120mm bracket design so I know it should fit just fine, (heard the heat sink is a ***** to install) , I also intend to set it up in push pull configuration. My problem now is that I do not now what fans to place on the heat sink to replace the stock fan that came from coolmaster in the links I gave you. The af12 shown and mentioned by me in my links seems to be only good as an exhaust! I can put it in the rear fan ^^, so that is not a problem. The main problem is the noise they would make on intake makes me not want to attach them to the heat sink so out of the question they are loud. Next is the gelid they have some type of intelligent pwm design so I like them even if the AC has some type of patented PWM sharing technology. The gelid's I mentioned I will get multiple of them regardless, by what does that do concerning the ty-140's? would it be better to have those gelid's on the CPU fan header/heat sink or those ty-140's. I mean I assumed the ty-140's are better than the gelid, but the intelligent design the gelid's have is why I asked the question. If the ty-140's are better on it i'll stick that on it either way, and try and connect via the akasa spitters you guys recommended.

Basically looking at this:

rear fan AC x1 PWM
Side fan x4 PWM
heat sink fans x2 PWM
top fans PWM x2

That is it basically. I'd need more than one splitter ^_^, and yeah I am going to listen to list my computers specs to you guys.
post #16 of 26
Thread Starter 
Well, ill look into stuff later was afk for a long time.
post #17 of 26

I compared the performance of various PWM fans in chapter 7 of item 4 in my sig. The Arctic Cooling fan did very well -- one of the best balanced for performance and noise.

 

I am using the Akasa 3-fan PWM splitter ($4 here) in my rig. It gets control from the As.s motherboard, and power from Molex. I use it for the push and pull fans on my heatsink and the top intake fan (a TY-140) that feeds cool air to the heatsink.

 

But I recommend the 5-way splitter. Much better construction, and it gives you the capacity to add PWM fans. Like this:

 

PWM fans with PWM Mate and FP5 - 1280.png

 

(That's a PWM Mate hooked to an Akasa 5-way PWM splitter. With the PWM Mate there is no need for a mb. There's a PSU behind the front 3 fans.)

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post #18 of 26
Thread Starter 
I heard complaints about artic cooling with noise and that it was only good as exhaust. I was told if i used fans they should be the same type or it might conflict? I see there is PST with artic and intelligent design with gelid fans?

donno which was better or is better. One more thing... Can x2 ty 140's go on an hyper evo? if I went with ty-140's I might as well scratch the PWM control from the gelid or the other fans I suppose? I am thinking that the ty 140's do not have the same fan control as the gelid/artic cooling, which seems to have technology for it. i see nothing like that on ty-140's.


I intended on getting multiple gelid fans, and maybe 2 artic cooling. But figured to use the PST on the artic or the iteligent design on the gelid they need to be on the cpu fan header and one has to be the main fan feeding the rpm or something, so you need to watch out for the yellow wires?

this is what my usual problem is, I know I can get the side fans on the sys-2 fan header and maybe a rear fan, then stick the rest on the cpu fan header. or two side fans and the cpu fans on the cpu fan header with the rear fan and the rest else where. i have an lanboy air if you remember. So there may be the ability to fit the top fans in the case that is x2, then the rear fan, then the x4 side fans..

How would you have this set up with multiple gelid, artic cooling , and ty-140 fans (x2 for ty-140's), with two five way akaska splitters, or maybe a extra splitter that had less than five, but five way x2 seems future proof.

If you look at the fans, you can see the PST tech and the intelligent design of the gelid fans also. just wondering ; ;
post #19 of 26
Thread Starter 
basically how would you have them set up on the headers, what would go on the splitter connected to the cpu fan header, and what would go on the sys 2- four pin header.
post #20 of 26
Thread Starter 
Yeah i'll pm you Ehume it may be for the best to ask a similar question there and what my main problem is .
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