Ok so I have this motherboard Asus Sabertooth 990fx and I bought 2x of these fans for my computer case CM 690 : http://www.amazon.com/Cooler-Master-SickleFlow-120-Radiators/dp/B0026ZPFCK/ref=sr_1_1?ie=UTF8&qid=1407994518&sr=8-1&keywords=coolermaster+fan
The problem is when I look in the Bios, I can see the 2x fans running at 3800 Rpm (which is very fast) and for a second it goes up directly at 19000 Rpm and change back to 3700/3800/3900 very fast (lol?) I don't think it goes at 19000 Rpm because the fans are not that loud..
I plugged the 2x fans (3pins) in Cha Fan 3 and 4, which are 3 pins too. I tried to plug in Cha Fan 1-2 but it the same result
example (not my bios) : http://images.anandtech.com/doci/5714/Sabertooth%20BIOS%2019%20-%20Monitor%202.png
2 questions :
1- Why is the range so weird 3800/19000 Rpm in my bios? is that normal, because it seem to run fine. (it not even going at 5000 Rpm or 7000 or 15000.. it just skip very fast between these 2)
2- Can I plug a Chassis Fan into Cpu Opt (4 pins) on the motherboard (the one close to CPU Fan) is it dangerous ?
Thx in advance. (sry for my english)
Forgot to say temp range is about 30 degrees (at start) 50 degrees (in-game)
my 4 others fans are running between 1000 to 2800 Rpm (normal), all of my fans are Vertically
Coolermaster 1000w power supply
Lastest bios update (v1604)
My thoughts :
Enabling Chassis Q Fan Control (I already tried but it just makes less noises, I think it still doing the same thing, I will try again tommorow)
Enabling Cool'N'quiet (don't seem to do anything, I might be wrong?)
Plug them in my power supply... I don't think the 19000 Rpm is that dangerous for my motherboard... It looks fake :\
The problem is when I look in the Bios, I can see the 2x fans running at 3800 Rpm (which is very fast) and for a second it goes up directly at 19000 Rpm and change back to 3700/3800/3900 very fast (lol?) I don't think it goes at 19000 Rpm because the fans are not that loud..
I plugged the 2x fans (3pins) in Cha Fan 3 and 4, which are 3 pins too. I tried to plug in Cha Fan 1-2 but it the same result
example (not my bios) : http://images.anandtech.com/doci/5714/Sabertooth%20BIOS%2019%20-%20Monitor%202.png
2 questions :
1- Why is the range so weird 3800/19000 Rpm in my bios? is that normal, because it seem to run fine. (it not even going at 5000 Rpm or 7000 or 15000.. it just skip very fast between these 2)
2- Can I plug a Chassis Fan into Cpu Opt (4 pins) on the motherboard (the one close to CPU Fan) is it dangerous ?
Thx in advance. (sry for my english)
Forgot to say temp range is about 30 degrees (at start) 50 degrees (in-game)
my 4 others fans are running between 1000 to 2800 Rpm (normal), all of my fans are Vertically
Coolermaster 1000w power supply
Lastest bios update (v1604)
My thoughts :
Enabling Chassis Q Fan Control (I already tried but it just makes less noises, I think it still doing the same thing, I will try again tommorow)
Enabling Cool'N'quiet (don't seem to do anything, I might be wrong?)
Plug them in my power supply... I don't think the 19000 Rpm is that dangerous for my motherboard... It looks fake :\