890GPA-UD3H & San Ace 109R1212H1011 - Overclock.net

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post #1 of 10 Old 06-11-2010, 12:15 PM - Thread Starter
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I've finally decided to go with the Megahalem for my air cooling setup. In reading the FAQ section in air cooling, the San Ace H1011 fan comes highly recommended. The thread links out to Petra's Tech Shop wherein a notation brought some concern to me:

http://www.petrastechshop.com/12x38sadesan.html

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Although the 120mm x 38mm Sanyo Denki comes with a 3pin fan tail, do not plug this fan directly into the motherboard fan header. Petra's Tech recommends connecting the Sanyo Denki to a fan speed controller capable of handling 6.24w on a channel or purchasing a 3pin to 4pin connector for direct connection to the power supply.
Is this motherboard affected by this? Can it not provide enough power from the CPU fan plug to handle the power requirements of this fan?

I'm not yet ready to spend money on a fan controller, but want to make sure I'm not going to burn out part of my mobo.

Any feedback is greatly appreciated.
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post #2 of 10 Old 06-11-2010, 12:22 PM
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You don't want to risk burning out the fan header on the mobo

There's the Sunbeam Rheobus which is pretty affordable, and can handle the San Ace. If you want the San Ace, then you need a fan controller.

-> http://www.newegg.com/Product/Produc...-808-_-Product

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post #3 of 10 Old 06-11-2010, 12:28 PM
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Do not plug it into a fan header on the motherboard unless you want to risk shorting it out, which is extremely likely.

Just get a 3 pin to molex adapter and run it straight from your PSU. Something like this: http://cgi.ebay.com/FAN-POWER-ADAPTE...item2a042f9277

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post #4 of 10 Old 06-11-2010, 12:31 PM - Thread Starter
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I have two Gentle Typhoons on the way currently. Been flip/flopping on using them on the Megatron or if I should replace the two front intake fans with them.

Would it be OK to use the Gentle Typhoons in a push/pull and not burn out the mobo? I could put the push fan on the CPU fan header, and then the pull fan on the open fan header down below and to the left of the CPU.

I'm guessing the San Ace simply draws so much current that it's a risk to the board itself?

(Needless to say, I'm glad I'm asking this before doing it and frying something. It sucks to be a newb sometimes. At least you guys should be proud... a new guy is actually reading the stickies...)
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post #5 of 10 Old 06-11-2010, 12:34 PM
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Gentle Typhoons should be fine.

Your reasoning is correct. The fans draw too much power and this is what causes the header to short out like that. So it is not worth it to risk.

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post #6 of 10 Old 06-12-2010, 09:44 PM
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Quote:
Originally Posted by Dopamin3 View Post
Do not plug it into a fan header on the motherboard unless you want to risk shorting it out, which is extremely likely.

Just get a 3 pin to molex adapter and run it straight from your PSU. Something like this: http://cgi.ebay.com/FAN-POWER-ADAPTE...item2a042f9277
Just do this and you will be fine. But depending on you RAM heatsinks a 38mm fan might not fit.I had to swap out my Panaflo for some 25mm fans.


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post #7 of 10 Old 06-12-2010, 09:47 PM
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off topic: but mighty fine job you did with the cable management with the tx 850.
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post #8 of 10 Old 06-12-2010, 09:47 PM
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Thats a clean looking setup you got there yogi.
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post #9 of 10 Old 06-12-2010, 09:52 PM
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I guess you could simply connect it directly to the power supply, but it would be running at 100% the whole time. Fans usually come with an adapter that lets you connect it to a PSU. Then just go into the BIOS and disable the cpu fan error warning.

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post #10 of 10 Old 06-14-2010, 09:39 PM - Thread Starter
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So I finally made up my mind and placed my order.

My case will have 6 fans total.

The rear and top exhaust fans are going to stay the Antec tri-cool fans that came in my P183 case. They work well and aren't super loud.

I bought a Megahalem w/AMD adapter kit. Going on it will be two Gentle Typhoons in a push/pull config.

Front of the case, the two 120x25's will be getting replaced by two 120x25 San Ace 1011's. Yes, I had to get the 25's instead of the 38's due to the hard drive bays, but that's fine by me.

Right now my case has a bit of negative pressure. When I get the San Ace's installed in the front, I have a feeling this is going to change a bit...
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