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post #1701 of 20720
Quote:
Originally Posted by Avonosac View Post

Swiftech explicitly stated many times there would be adverse effects to using voltage regulation on the motor..

I guess I missed that part. Can you please reference it for me?

On another note, does the apogee drive 2 use pwm or voltage control?
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post #1702 of 20720
Quote:
Originally Posted by wizardonthejob View Post

I guess I missed that part. Can you please reference it for me?

On another note, does the apogee drive 2 use pwm or voltage control?

The Apogee Drive II also uses PWM to control the speed of the pump.
post #1703 of 20720
Quote:
Originally Posted by wizardonthejob View Post

I guess I missed that part. Can you please reference it for me?

On another note, does the apogee drive 2 use pwm or voltage control?

No, I can't. I am working and a quick response is one thing, looking for multiple posts in a combination of 850 pages of forum threads is something entirely different.

Search this and the news thread of the H220 for posts by BramSLI1, Stephenmn, and gabe@swiftech. I read multiple posts from those 3 reps we have from the company many times, on top of other users stating the same that the pump is to be used with PWM only, and it needs a constant 12v.

Here on the official specs page, you can see it explicitly stating PWM as the speed control.

http://www.swiftech.com/H220.aspx#tab2
Edited by Avonosac - 4/19/13 at 9:45am
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post #1704 of 20720
Quote:
Originally Posted by Avonosac View Post

No, I can't. I am working and a quick response is one thing, looking for multiple posts in a combination of 850 pages of forum threads is something entirely different.

Search this and the news thread of the H220 for posts by BramSLI1, Stephenmn, and gabe@swiftech. I read multiple posts from those 3 reps we have from the company many times, on top of other users stating the same that the pump is to be used with PWM only, and it needs a constant 12v.

Here on the official specs page, you can see it explicitly stating PWM as the speed control.

http://www.swiftech.com/H220.aspx#tab2

Oh yeah, I can back that up from memory if nothing else... I've been following this thread since this project's announcement (back on the news thread too), and it was stated many times that a PWM signal with a full 12v is mandatory, and without it, *shrug*...

Thanks - T
post #1705 of 20720
Fair enough. I wasnt able to tell from my manual wether my board uses PWM or voltage. Not that I wascalling anyone a liar . I just like to gett the facts straight.

EDIT: I found this white paper at the bottom of the support page for the h220

http://www.swiftech.com/pwmcontrollers.aspx

whether or not it pertains to my motherboard is yet to be seen.
I do however, have a 4-pin connector for all the fans on my board.
Edited by WizardontheJob - 4/19/13 at 10:34am
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post #1706 of 20720
Quote:
Originally Posted by wizardonthejob View Post

Fair enough. I wasnt able to tell from my manual wether my board uses PWM or voltage. Not that I wascalling anyone a liar . I just like to gett the facts straight.

And that's fair too, but that's a significant difference, since for someone who might not know, it seems to have developed a string of unfortunate incidents.
Hell, I won't even run a fan on voltage that belongs on PWM. thumb.gif

Thanks - T
post #1707 of 20720
Quote:
Originally Posted by wizardonthejob View Post

Fair enough. I wasnt able to tell from my manual wether my board uses PWM or voltage. Not that I wascalling anyone a liar . I just like to gett the facts straight.

EDIT: I found this white paper at the bottom of the support page for the h220

http://www.swiftech.com/pwmcontrollers.aspx

whether or not it pertains to my motherboard is yet to be seen.
I do however, have a 4-pin connector for all the fans on my board.

even though you have 4 pins for everything, it has been proven that not all 4 pins are made equal, let alone actually controlled via PWM. This isnt your fault but the manufacturers. My board has a fake 4 pin that's actually voltage controlled. Someone else had all 4 pins and only the CPU ones where actually PWM. My old gigabyte board had a option to switch from PWM to voltage on the CPU header buried in the BIOS settings. Could be a lot of things.

Here's something you can try: connect a 3 pin fan to the same header to where the H220 was. If the speed of the fan changes at all, you know it's voltage.
Edited by ez12a - 4/19/13 at 10:46am
 
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post #1708 of 20720
Quote:
Originally Posted by ez12a View Post

even though you have 4 pins for everything, it has been proven that not all 4 pins are made equal, let alone actually controlled via PWM. This isnt your fault but the manufacturers. My board has a fake 4 pin that's actually voltage controlled. Someone else had all 4 pins and only the CPU ones where actually PWM. My old gigabyte board had a option to switch from PWM to voltage on the CPU header buried in the BIOS settings. Could be a lot of things.

Here's something you can try: connect a 3 pin fan to the same header to where the H220 was. If the speed of the fan changes at all, you know it's voltage.

I'm the guy with 1 header PWM (cpu) and 1 header nothing, despite it being a 4 pin header. my Z77IA-E53 does not change the speed at all on the case fan header 3 voltage changes in the bios was the only thing found, and ControlCenter and SpeedFan couldn't change that value at all.
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post #1709 of 20720
IMHO, I generally don't trust any MB fan header to directly power much more than a single slow speed fan. Take a look at how small the traces are in your motherboard leading up to the header (wimpy to say the least). Most are really not meant for powering heavy duty items. An 1800rpm GT only draws 1 watt, so connecting the h220 pump directly to the MB is like stringing 6 1800rpm fans onto your one cpu fan header..I just wouldn't do that when the kits comes with a splitter designed to pull power direct from the PSU.

Why risk running a high powered device through the MB when the kit provides a PWM splitter that draws heavy duty regulated quality 12v direct from the PSU? If you use the splitter, you can be sure to feed the pump 12v and there is no risk of exceeding fan header specs. You also give your motherboard a break and only pull PWM signal from the motherboard which is easy work.

Running direct off the MB is an unnecessary risk, use the provided splitter and feed the pump good quality regulated direct 12v power from the PSU.thumb.gif

You can also connect an 18w DDC (pmp400 comes with a 3pin fan header) off a motherboard fan header. Just because something mechanically works doesn't mean it's a good idea. Too many varied motherboards out there, powering pumps off of motherboards is not something I would suggest to anyone for any pump..too many unknowns and completely unnecessary with the h220 with the provided splitter which draws from the molex PSU. It may work for some high end board, but why bother with a PWM device that can draw directly from the PSU.

There is good reason your VGA card has a power supply direct feed. It's like a freeway of power where the MB is like a maze of downtown congested streets with poorly timed signals. Don't make your pump fight that congestion, give her the same benefit you give your VGA card..PSU power via the provided splitter..smile.gif
Edited by Martinm210 - 4/19/13 at 1:04pm
    
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post #1710 of 20720
Quote:
Originally Posted by wizardonthejob View Post

Fair enough. I wasnt able to tell from my manual wether my board uses PWM or voltage. Not that I wascalling anyone a liar . I just like to gett the facts straight.

EDIT: I found this white paper at the bottom of the support page for the h220

http://www.swiftech.com/pwmcontrollers.aspx

whether or not it pertains to my motherboard is yet to be seen.
I do however, have a 4-pin connector for all the fans on my board.

I just downloaded and took a good look through your mobo manual and it's pretty ambiguous as to whether it uses voltage or PWM control. It does state though on page 2-13 that you can use either a 3-pin or 4-pin powered fan on the CPUFAN1 header. I really don't know what to make of that.
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