Why do you only have PWM control on the CPU headers

Gigabyte - Bundkort d.  29. juli. 2014, skrevet af unnamet
Vist: 5764 gange.

unnamet
 
Passiv Hwt crew
Tilføjet:
29-07-2014 11:40:07
Svar/Indlæg:
5258/240
Hi

I have been having trouble with controlling a water pump on my motherboard, its an ASUS though, but i found that almost non of the motherboard manufactures make motherboards which are able to control PWM fans via PWM.

Why is that?

/Peter

Doomster
 
Overclocker
Tilføjet:
29-07-2014 11:47:45
Svar/Indlæg:
115/0
kommer der osse en oversættelse? 🤣


Monberg75
 
Skribent
Tilføjet:
29-07-2014 12:02:18
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1193/156
Oversat:

--
Hej

Jeg har haft problemer med at styre en vandpumpe på mit bundkort, det er dog et ASUS, men jeg har fundet ud af, at næsten ingen producenter af bundkort laver bundkort der er i stand til at styre PWM fans via PWM.

Hvorfor er det sådan?

/Peter
--

Håber det kan bruges ;)


Svaret blev redigeret 2 gange, sidst af Monberg75 d. 29-07-2014 12:02:49.


Monberg75
 
Skribent
Tilføjet:
29-07-2014 12:04:21
Svar/Indlæg:
1193/156
Og så lige overskriften:

"Hvorfor har I kun PWN styring på CPU stikket."

Så er der vist ikke meget tvivl mere :P


M.Beier
 
Skribent
Tilføjet:
29-07-2014 14:12:16
Svar/Indlæg:
1957/116
I cannot answer your question directly...

However, you should check the ratings on the pump!!! And bare in mind that I-startup is 6 times higher - with due respect, such should be on fancontroller or directly through molex, in case of a 18W pump, its 1.5A, or... Hold on... 9A during startup, that isnt easy on the mobo.

Just my 50 cents.


unnamet
 
Passiv Hwt crew
Tilføjet:
29-07-2014 16:33:34
Svar/Indlæg:
5258/240
It is powered directly from molex Mark :)


unnamet
 
Passiv Hwt crew
Tilføjet:
30-07-2014 22:48:29
Svar/Indlæg:
5258/240
up


GIGABYTE_Ted
 
Newbie
Tilføjet:
31-07-2014 11:22:05
Svar/Indlæg:
45/0

Hi

I have been having trouble with controlling a water pump on my motherboard, its an ASUS though, but i found that almost non of the motherboard manufactures make motherboards which are able to control PWM fans via PWM.

Why is that?

/Peter

unnamet skrev d. 29-07-2014 11:40:07


Hi unnamet,

since your motherboard is from another manufacturer I cannot be specific however I can try to give you some explanation.

To offer PWM support the motherboard also needs a chipset and different fan-headers than the normal 3-pin fan headers that your motherboard may have. The PWM options are more expensive and since PWM have not been as popular as one would think the costs has been kept down on motherboards since customer does not want to pay extra for features they do not use. Basically it's a price <-> demand reason.

GIGABYTE motherboards offers several PWM fan headers on most of our boards (Except the low-end models) and in our latest series almost all the fan headers offer PWM support. For instance we have 5 PWM fan headers on our popular mid-range GA-Z97X-Gaming 5 motherboard.

If you have a more specific question about one of our products then please do not hesitate to contact me again.

Have a nice day!


unnamet
 
Passiv Hwt crew
Tilføjet:
31-07-2014 16:49:08
Svar/Indlæg:
5258/240
#7

Sorry to say but it aint PWM control for all the sys fans, only the CPU fan header is true PWM.

The PWM pin gets Vcc = 5v = 100% duty and then the speed is controlled by changing the voltage it gets like normal 3pin fans.

I just looked, even your most expensive motherboard, GA-Z97X-Gaming G1 WIFI-BK, does not support it.


korsk
 
Elitebruger
Tilføjet:
31-07-2014 19:34:51
Svar/Indlæg:
1334/15
Hi 😀

Yes it would be great if the MB had PWM control for all the fans, but it seemes to be to expensive. Anyway - if it was possible to by one, I would look deep in my pockets to find money to buy it 😀

I don`t know, but maybe it could be solved by making a seperate pci-e card with PWM controllers?.

Just an idea 😀


unnamet
 
Passiv Hwt crew
Tilføjet:
02-08-2014 00:39:56
Svar/Indlæg:
5258/240
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