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Cooler Master Cosmos 2 Club - Page 406

post #4051 of 6036
Quote:
Originally Posted by ShaggyRS6 View Post

Hi guys, I am a new owner and have a couple of questions.

1. The front fan. It seems to run at full speed then throttles down, then throttles up etc etc. You can actually hear it when it does it and becomes annoying. Could this be just a faulty connection inside as I was having trouble with it initially or is this a known characteristic?

2. I bought some Asaka fans to go in the top but they are 4 pin. The connectors in the case are only 3 pin. Is there anything I can do to make them work?

Many thanks for the help smile.gif

Hi,
As far as your 4-pin fans, you can connect them to the 3-pin connectors. They have two ridges over pins 1-3 for correct alignment. The 4th pin will be unconnected but the fans will work.
Look at the inside of the fan controller/ top assembly and see if you have the green PCB, or the new revised black PCB. The older green PCB unit is the one that gave some people problems like you describe.
If you have the old PCB unit, the link below is the order form for the new unit. I do not know if there was an expiration date on the replacements or not. I would contact customer service even if their was because Coolermaster CS has been extremely accommodating in not only replacing the old units, but myself everyone I know got a free gift for the trouble as well. Below that is the OCN Coolermaster Cosmos 2 fan replacement forum.

Hope that helps smile.gif


Part Request:
http://www.coolermaster-usa.com/partrequest.php

OCN Cosmos 2 fan controller thread:
http://www.overclock.net/t/1265915/cosmos-2-upgraded-fan-controller-now-available-in-north-america
Edited by Red1776 - 12/30/12 at 1:50am
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post #4052 of 6036
Thanks for the help Red, that helps me out a lot. I will have a look at the connectors and the PCB this afternoon. I did notice that the fan only throttles up and down on Highspeed setting, on low it does not do it.

Regarding the fan connectors (and I am not for one minute doubting you) I am wondering how the 3 pins will go into the four female pin connector on my Asaka fans? Surely the black kind of sheath that surrounds the pins will stop it fitting?

I am meant to be using the Case fan connectors right? Or am I missing something?

Sorry for the dumb questions.

The connector on the fans is like this
post #4053 of 6036
Quote:
Originally Posted by ShaggyRS6 View Post

Thanks for the help Red, that helps me out a lot. I will have a look at the connectors and the PCB this afternoon. I did notice that the fan only throttles up and down on Highspeed setting, on low it does not do it.

Regarding the fan connectors (and I am not for one minute doubting you) I am wondering how the 3 pins will go into the four female pin connector on my Asaka fans? Surely the black kind of sheath that surrounds the pins will stop it fitting?

I am meant to be using the Case fan connectors right? Or am I missing something?

Sorry for the dumb questions.

The connector on the fans is like this

Oh I'm sorry, You are talking about the connections on the end of the leads from the Cosmos 2 controller. Right , they wont fit there. You can plug the 4 pin into the MB connectors as an alternative, or get adapters.

The fan throttling is one of the symptoms of the old controller. I had a problem with that and flashing LED's at the low setting.
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post #4054 of 6036
Ah ok cool. In that case I will order the part, cos the LED flashes at low speed and get an adaptor. Any idea what I need?

Thanks again!!
post #4055 of 6036
Quote:
Originally Posted by ShaggyRS6 View Post

Ah ok cool. In that case I will order the part, cos the LED flashes at low speed and get an adaptor. Any idea what I need?
Thanks again!!

Something like this is what you would need. I have a few and they work well.
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post #4056 of 6036
Perfect! Thank you my friend smile.gif
post #4057 of 6036
Quote:
Originally Posted by Dreamxtreme View Post

well 1st off hello! how i missed something as big as OCN for so many years is beyond me but at least im here now.
I would like to join the club but my camera is knackard and my usb lead is missing so pics arnt possible at the moment. I can however give you the serial number or whatever you need. RC1200KKN1112270071
Also upon trying to add a 3rd top fan near the front of the case i think ive broken the front panel lid as it doesnt tighten up anymore (not sure it ever did) but it supposed to able lift up slightly ??
thanks


So can noone help with this ?
post #4058 of 6036
Quote:
Originally Posted by Dreamxtreme View Post

So can noone help with this ?

It should be solidly attached to the top of the case. Your best bet would be to contact CM and send them pictures (if possible) and explain to them the issue.
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post #4059 of 6036
Does anyone know where I can get replacement rubber grommets for cable pass through?

One of my grommet broke... one of the "wings" just fell off on its own.
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post #4060 of 6036
Quote:
Originally Posted by christpunchers View Post

Does anyone know where I can get replacement rubber grommets for cable pass through?
One of my grommet broke... one of the "wings" just fell off on its own.

Hmm interesting, I can think of two options: contact CM as I'm sure they have a bunch of them (they use similar if not identical grommets in a lot of their newer cases), or go somewhere like Microcenter and see if they'll let you take one from a display model.

My Cosmos II was missing a PCI slot cover, no idea why, and one of the guys at Microcenter let me take one off of their display model. Maybe I'm just lucky, but the case was beat to hell anyway so it's not like they're going to sell it lol.
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