Nov 28, 19 · 2 Ensure that the CPU FAN cable is securely installed to the CPU_FAN connector instead of the CHA_FAN 3 If you install another brand of CPU FAN with lower revolutions speed, the system may not be able to correctly detect itYou can try to set "CPU Fan Speed Low Limit" to 0 RPM in BIOS configurationNov 10, 18 · CPU Fan Header => Pump No 1 CPU Opt Header => Pump No 2 Channel 1 CHA_1 Header => Fan PCB No 1 => (6) 140mm Fans on 3 x 140mm 45mm Radiator Channel 2 CHA_2 Header => Fan PCB No 2 => (4) 140mm Fans on 2 x 140mm 60mm Radiator Channel 3 CHA_3 Header => Fan PCB No 3 =>(6) 140mm Case FansJul 28, 10 · Re The Fan Header I haven't used that fan in a long time I don't know what it sounds like at full speed assuming the MediaSmart ran it slower This is easy to test though since I would just need to pull a voltage reading off of that header (Full Speed should be 12V) I assure you it is a fan header
Correct Mobo Fan Header Connections For H115i Pro The Corsair User Forums
Cpu opt fan header for case fan
Cpu opt fan header for case fan-Oct 06, 14 · I figured the front 1mm would go on the main cpu fan header and the 140mm in the middle would go on the optional cpu fan header The fans are well within the specs in the mobo manual (1 and09A vs the 1A max on each header)Sep 27, 17 · Usually that header is going to be variable speed dependent on the CPU temp sensor unless you manually set the speed in the BIOS A better option would be splitter cables for the normal case fan
However, if in doubt, just connect it to the standard CPU headerFeb 17, · I'm considering using a X570 Aorus Master MB for a new build I have a couple of fan header questions As far as I know, all of the fan headers (CPU, CPU_OPT, and SYS total 5) have the same power delivery and speed adjustment capabilitiesSep 08, 18 · The CPU OPT fan header is slaved to the main CPU fan header Its control cannot be set independently of the the CPU fan header
I have a ASUS TUF Z590 motherboard which has 2 options for CPU fan headers CPU_FAN and CPUOPT My Noctua NHD15 comes with 2 140mm fans but the 2nd one doesn't fit due to ram clearance issue with my GSkill Trident Z RGB, so I plan to install a 1mm Noctua fan on the front instead while keeping the 140mm middle fanDec 23, 19 · There are 2 case fans, a chipset fan (on the Mobo), and the 2 fans of the cooler I never plugged any fans into the CPU_OPT header (the chipset is at 57C, the CPU is at 28C I searched around here and don't see any documentation that explains these termsFeb 12, · Connect the 2 radiator fans to CPU and CPU_opt fan headers on motherboard By default, thee aio header is configured to run at full speed 30 Related Question Answers Found Does it matter which fan header I use?
Jun 09, 21 · Moving on, you can see the dual 8pin Tough Power EPS connectors that supply more than enough power for the CPU Across the top are fan connectors for CPU and Opt CPU, two ARGB LED headers, and one standard RGB LED header Beneath these headers, are four DIMM slots, and next to them are the Power, Reset, and CLR CMOS buttonsOther than that, the header used makes no differenceFan and Cooling related 1 x 4pin CPU Fan header(s) 1 x 4pin CPU OPT Fan header(s) 2 x 4pin Chassis Fan header(s) Power related 1 x 24pin Main Power connector 1 x 8pin 12V Power connector Storage related 2 x M2 slots (Key M) 6 x SATA 6Gb/s ports USB 2 x USB 32 Gen 1 header(s) support(s) additional 4 USB 32 Gen1 ports
Aug 18, 17 · On gigabytes website they say that the cpu opt is for water coolers though S Probably because it is has no speed control in BIOS Or is set at full speed by default You can use any fan headerJan 21, 19 · On 12/26/18 at 1245 PM, Maident said My motherboard has 6 fan headers and a CPU_OPT header AIDA64 reports 7 system fans (1 thru 7) The CPU fan in AIDA64 is obviously the CPU_FAN header Similarly with the other AIDA64 system fan designationsFeb 19, · CPU_OPT is a optional fan header for the CPU area You can use it for a second fan on your CPU cooler if you have one or you can use it for a flowmeter/pump RPM sensing or even just for another case fan (like I have done) SYS_FAN is a fan header usually reserved for case fans
I also explain long ryzen bo1 x 4pin CPU OPT Fan header 1 x 4pin AIO Pump header 3 x 4pin Chassis Fan headers Power related 1 x 24pin Main Power connector 1 x 8pin 12V Power connector 1 x 4pin 12V Power connector Storage related 2 x M2 slots (Key M) 8 x SATA 6Gb/s ports USB 1 x USB 32 Gen 2 Front Panel connector (supports USB TypeC®) 1 x USB 32 Gen 1 headerMar 15, 18 · The WPUMP and HAMP headers run 3A/36W, all the others are 1A/12W (standard fan headers) The CPU_FAN and CPU_OPT headers run off the same Qfan controller, so it's a good idea using those for the fans on a CLC280 so the fans stay in sync and radiator airflow works as it was designed AIO_PUMP runs 100% all the time by default, as does W_PUMP
Apr 08, 15 · Rear exhaust fan is attached to SYS2 header CPU fan is attached to CPU1 header CPU fan control is wonderful Front intake fan control is fine Rear exhaust fan control is a disaster I cannot reduce voltage lower than 50%!Jul 06, · 1) Your CPU fan needs to be connected to the "CPU Fan" header, not the "CPU OPT" one2) If your hub works like most other ones do, then it needs to be connected to one of the other 4pin fan headers, not the "CPU Fan" one hopefully it has a SATA power connector, because powering 5 fans from 1 header is normally not a good idea, since that can draw more power than each mobo headerAorus X570 Pro WiFi MoBo, CPU Fan was plugged into CPU_FAN header and the Case Fan was plugged into SYS_FAN5 I've updated the BIOS from F12 to F33a with hopes that this would fix it but no such luck I've switched the CPU Fan to CPU_OPT header and the case fan to SYS_FAN4 and they're both working fine but this MoBo is 4 months old
Also, are there benefits to connecting a fan to each header so each fan has a full 1A of power available?Jan 24, 18 · If the fans are plugged directly to the CPU_FAN, then you can plug the pump to the CPU_OPT or the PUMP header Probably the PUMP header is a safe bet in terms of power delivery to the pump, but AIOs have been around since before dedicated headers, so I'm sure the standard 1 amp header will doApr 10, · My question Is the above setup correct?
Aug 30, 16 · 1 x CPU OPT Fan connector(s) (1 x 4 pin) 4 x Chassis Fan connector(s) (4 x 4 pin) 1 x Water Pump header (4pin) And i have 4 case fan (3 front and 1 rear) 2 fan from the aio cooler and a water pump So as far as i understand i can plug all of them, but i will have any problems with the fans plug in the cup headers?Jan 30, 21 · The main CPU fan header on the motherboard is marked as CPU_FAN, and the extra fan header is generally marked as CPU_FAN2 or CPU_OPT These extra fan headers are generally found in midlevel to highend motherboards If you have an entrylevel or budget category motherboard, then in most cases, it will only have a single CPU fan header, and ifFan's into CPU header then pump into CPU_OPT Unlike the CPU fan header, the CPU_OPT header does not have any control over speeds in BIOS or the OS but does have the benefit of detecting any issues Also on most AIO's the pump is a fixed speeds so once again plugging it into a header which has no speed control is fine
Page 21 Fan and Pump headers The Fan and Pump headers allow you to connect fans or pumps to cool the system CPU_FAN CPU_OPT FAN PWM CHA_FAN1 FAN IN AIO_PUMP FAN PWR CHA_FAN3 CHA_FAN2 • DO NOT forget to connect the fan cables to the fan headers Insufficient air flow inside the system may damage the motherboard componentsChassis and CPU fans may use either 3pin or 4pin power connectors 3pin connectors are usually used for the smaller chassis fans with lower power consumption 4pin connectors are usually used by CPU fans with higher power consumption Fans and onboard fan headers are backwards compatibleNov 06, · Howdy!
Mar 27, · The CPU fan header often can't switch to other temperature inputs, in which case you can use the CPU OPT or chassis fan headers instead 8 Switch from CPU fan To switch from the CPU temperature being the input for fan speed, head to your EFI and locate the temperature input option if the board has oneJul 25, 17 · I am not really sure what CPU_OPT is intended for Is CPU_OPT intended to be used for a second CPU fan and would this mean both fans are controlled separately?Feb 23, 16 · Re Correct fan connections for CPU liquid cooler I have a Corsair water cooler similar in design to yours Anyway you could just connect the water pump fan (the block with wire connecter attached to it) to the optional CPU fan header This is how I've had mine for years;
Nov 02, 14 · Also the cpuopt header is suitable for water pump and for 4 pin pwm fan So i have the water pump connected direct on the PSU with 3 pin adapter, thats way i have the pump to run in full speed all the time And i have the cpu header and the cpuopt header free for 2 fan's in push\pull configurationTo my knowledge of Corsair AIOs the 3 fans on the AIO should be connected directly to the AIOs fan headers and the lone fan cable coming off the AIO you plug into the CPU header on the motherboard, so that it sends the pump's RPM to the motherboard so it doesn't freak out thinking there is no CPU coolerIs it better to get a fan hub?
Thermaltake Commander FX review vs PWM Ysplitter How many fans can you add to each fan header?CPU_OPT This header serves the same purpose as CPU_FAN, the only difference is not having a fan connected to this header will not prevent the system from booting, some heatsinks may come with two fans, or may have clips on both sides where a second fan can be connected for a "pushpull" configuration (one fan pushes cool air into the fins, another fan pulls hot air out), it can also be used in liquid cooling where the pump is connected to the fan header, the pump would connect to CPUDec 18, 13 · In addition, the two fans need to be plugged into the same type of fan header Your board likely has CPU_fan, OPT_fan, and CHA_fan headers that each have different speed profiles (usually adjustable in bios or with Asus Fan Expert)
At idle, the CPU fan turns at around 0 RPM while the rear fan goes at about 850 RPMIn general, CPU OPT is an additional CPU fan header Since it is "additional", it is not necessary and the system can start normally without working with CPU_OPT that is to say, CPU OPT can't prevent the system from booting if there is a problem Yet, it can warn you about problems What to Do If HP Laptop Fan Is Noisy and Always Running?GIGABYTE 8 Series motherboards feature OPT fan support, an additional CPU fan pin header that can be used to connect a water pump and configured for continuous full speed operation The OPT Fan is also useful for high performance coolers employing two fans 9 Fan Connectors 9 Fan
Jun 28, 17 · Its fan control is locked to CPU temp, it is restricted with shorter fan delays, and it cannot be controlled in the same way as the other headers CPU and its mirror OPT were designed for a traditional air tower with two fans OPT will always run the same speed and CPU Fan and is not controllable on Asus boardsMar 11, 14 · Right now the fan from the 212 cooler is plugged into the CPU fan header and thinking as temps rise at least the 4pin fan (other is 3) will spin faster The pump however also has a 4 pin PWM (in addition to a 4 pin molex) that currently isn't plugged into anything My motherboard does also have a CPU fan opt 4pin headerFan and Cooling related 1 x 4pin CPU Fan header(s) 1 x 4pin CPU OPT Fan header(s) 1 x 4pin AIO Pump header(s) 3 x 4pin Chassis Fan header(s) 1 x 4pin H_AMP Fan header(s) 1 x W_PUMP header(s) 1 x 2pin Water In header 1 x 2pin Water Out header 1 x 3pin Water Flow header Power related 1 x 24pin Main Power connector 2 x 8pin 12V
The radiator fans should always be connected to CPU Fan 1 and CPU Fan 2 (or CPU Fan OPT) on the Motherboard Single Radiator Fan Connect the fan to CPU Fan 1 Two Radiator Fans via YSplitter Connect the adapter to CPU Fan 1 CPU Fan 2 / OPT can be left unused Two Radiator Fans without YSplitter Connect one fan to CPU Fan 1 and the other to CPU Fan 2 / OPT Four Radiator FansI was not sure what to use in the "CPU_FAN" connection right above it My other fan headers are labeled things like "SYS_FAN" 13 I originally had two other fans in both the "CPU_FAN" and "CPU_OPT" connections The motherboard does not have any headers marked "PWM" My previous CPU AiO liquid cooler was an old Corsair Hydro Series H105Nov 05, 18 · My motherboards the Asus maximus X hero, it has CPU_FAN, CPU_OPT, HAMP, EXT_FAN, W_PUMP, AIO_PUMP connectors The cooler is the Kraken X62 280mm, it's manual says to use CPU_FAN for the pump, but the mobo manual says use AIO_PUMP for the pump and CPU_FAN and CPU_OPT for the 2 rad fans
Feb 19, · CPU_OPT is usually duplicate of CPU_FAN If its not, you can find out by reading from manual But if they are, CPU_OPT will apply same settings to fans as what fans connected to CPU_FAN So best case scenario is that you use 2 CPU fans in thoseSep 25, 11 · The CPU_FAN and SYS_FAN2 are 4pin headers The SYS_FAN1, PWR_FAN and NB_FAN are 3pin headers They have following pin configurationWhere to connect pump tach cable?
Here is my motherboard headers chart It appears both headers are QFanCpu fan header or pump fan header?Solved!Based on first time PC builders search I tried to share this informationGood luckI have a Noctis 450 case which has a PWM FAN HUB which is to be connected to the CPU_Fan header on MB I have read on forums where some people are connecting the Radiator fans to the CPU_Fan and CPU_Opt, and connecting the Pump cable to the PUMP SYS_FAN_PUMP
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