sys fan

Forum discussion tagged with sys fan.
  1. Zago

    Question SYS Fans turn on and off together with the LED

    Hi everyone, this is a relatively new problem I am not sure when it started tho. So the issue is that my SYS 1, 2 & 3 fans will turn on and light up and then after a random but short period of time they will all dim their lights and after that the lights just turn off and some times the fans...
  2. AceMemphis

    Question Case fan speed stuck under 1000rpm ?

    My mobo is a Gigabyte GA-970A-UD3P. I have tried 2 different 4-pin fans, and I have also tried every configuration in the BIOS auto/silent/manual with .75 to 2.50 PWM value per °C. No matter what setting I choose, the system fan 1 never runs higher than 1000rpm, which is odd because every other...
  3. Gallerine

    [SOLVED] Sys_Fan1 case fan won't start

    I recently finished building a PC and when I went to turn it on, everything working fine except for the case fan. It has 2 cables attached to the fan and only one will actually fit any pins on the motherboard, but yet it won't get any power to start spinning. Motherboard is a "Gigabyte B450M...
  4. spoorkylarva

    [SOLVED] My pc won't turn on..

    As the title is, my pc won't turn on. Fans not spinning,no beep sound literally nothing response, i've tried use my brother psu but doesnt work too, even though i tested my psu using metal trick and i did work (the fans spinning and pc fans turn on). I have tried reseating the ram and try...
  5. N

    [SOLVED] How many fans I can connect on system fan header on motherboard?

    Hi. I have recently changed components on my old rig. I have changed MB, CPU and RAM. Everything is working fine, but because I bought AMD Ryzen 2600X I had to install more fans in my case. I have installed two Arctic bionix f140 fans at the front of my case to draw cool air into the case. My...
  6. Notrix

    [SOLVED] Connecting multiple case fans with motherboard having only one Sys Fan header and no RGB Header

    Hi all, I got 2 antec spark RGB 120 case fan, with one corsair intake fan already pre installed in my cabinet. Now the motherboard only has one sys fan header which I am using for the exhaust fan and is yet to get a small Y connector for the other fan which would act as intake, Now my question...
  7. G

    Question motherboard only has 1 fan header, can i put 3 fans to this single fan header without damaging the header?

    hi i need help, my motherboard has only 1 (3 pin) fan header, not including the cpu header, the motherboard is a Intel P55 Wide Use LGA1156 DDR3 motherboard, i am trying to hook that header with 3 X 120mm fan which is ALSEYE 120mm FAN white 12v 3Pin Air Cooler Cooling fan, i also have a Chasis...
  8. TheFlyingCelt

    [SOLVED] Gigabyte GA-Z97P-D3 Sys_Fan1&2 headers max Ampere

    Hi guys! Before asking here I went though the whole internet to try and find an answer, but with no luck. I also read the entire manual of my mainboard but nothing. Anybody knows what the max Ampere value is provided by the SYS_FAN1 and SYS_FAN2 fan headers please? I need to know that in order...
  9. K

    [SOLVED] Old CPU fan on a newer motherboard as a system fan

    Hi! I found this really old 3-pin CPU fan on one of my old PCs (12 years old). I was wondering if I could use it as an additional system fan on my 2016 build. Motherboard: MSI Z170-A PRO (MS-7971). The old fan: DC12V 0.24A I really don't want to fry anything and that's why I am asking this...
  10. Proprietary Software

    [SOLVED] case sys fans questions

    All my sys fan headers are 4 pinned, but they don't use PWM, right? Shouldn't they be 3 pinned if they are voltage controlled? Also, is there a fundamental difference between sys and cpu fan headers? Can I plug cpu fans into sys fan headers? My motherboard is...