H100i v2 + AM4 on my X370 Taichi
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=6417
Printed Date: 27 Dec 2024 at 12:01pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: H100i v2 + AM4 on my X370 Taichi
Posted By: Haaviko
Subject: H100i v2 + AM4 on my X370 Taichi
Date Posted: 25 Oct 2017 at 9:53pm
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Hello All, Just want some help with my X370 Taichi BIOS setup and what header on the mobo do I plugin my h100i v2. Do I set all fans to full speed PWM or leave all default + monitor M/B. Kind Regards, Haaviko. |
Replies:
Posted By: parsec
Date Posted: 25 Oct 2017 at 10:38pm
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Have you ever used an H100i v2 in the past? I assume you are using the stock fans? I doubt you would like the fans running at full speed all the time, they are known to be loud at full speed. No need for the fans to be at full speed all the time. You can configure the pump and fan connections two ways. One is to connect the fans to the H100i pump and use the Corsair fan speed control, with the pump connected to the CPU_OPT/W_PUMP header. In the UEFI/BIOS, you set the CPU_OPT/W_PUMP header to PWM mode, and use the Full Speed built in fan speed profile. Then connect the Corsair Link cable to a USB header and install the Corsair software for fan speed control. With this configuration the mother board will not show the fan speeds, that will be done with the Corsair Link software, since only the pump is connected to the board. The other way is to use the mother board's fan speed control for the fans. Connect the pump to the CHA_FAN3/W_PUMP header, set to PWM mode in the UEFI, with the Full Speed fan speed profile. Then connect one fan to the CPU_FAN1 header, and the other fan to the CPU_OPT/W_PUMP header, selecting PWM mode for this header, and select CPU Temperature monitoring for this header. You can then select any of the built in fan speed profiles for each header, or create a custom fan speed curve for the fans using the FAN_Tastic Tuning feature in the UEFI. You can still connect the Corsair Link cable and use the Corsair Link software for temperature monitoring, but the fan speed control and fan speed monitoring is done by the mother board. ------------- http://valid.x86.fr/48rujh" rel="nofollow"> 
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Haaviko wrote:Posted By: Haaviko
Date Posted: 26 Oct 2017 at 12:00am
| " rel="nofollow - I'm pretty much doing the first method you listed, except using the CPU Fan header rather than CPU_OPT I noticed no difference? |
Posted By: nangu
Date Posted: 26 Oct 2017 at 12:48am
It's the same if you use the pump at full speed while controlled by UEFI. You can control pump speed by Corsair software tough. I use the second method (I have the Evga CLC 280). I connected the pump to the CPU OPT header in DC mode to control pump speed too because my pump is noisy at full speed while the system is idle. The other reason I have is I don't want another software running on the background, so I configure fan and pump settings at UEFI level monitoring CPU temp and forget about it. ------------- R7 1700 @3.90 1.25v - GSkill TridentZ 3200c16 Hynix MFR @2933 14-16-16-32 - Fatal1ty Gaming X370 K4 - Gigabyte GTX 1070 G1 - WD 256 Black M2 Nvme as Windows 10 boot drive - EVGA Gold 650W |
Posted By: Haaviko
Date Posted: 26 Oct 2017 at 8:34am
| " rel="nofollow - So what you're saying is If I plug the pump into CPU_Opt instead of CPU_Fan the pump runs at full speed rather than the fans? |
Posted By: parsec
Date Posted: 26 Oct 2017 at 11:27am
I suggested the CPU_OPT header only because it has a higher maximum power capacity than the CPU_FAN1 header. CPU_OPT is 18W, CPU_FAN1 is 12W. Otherwise there is no difference between them. The pump does not use that much power, and I'm not sure what the fans use. But since the pump and two fans are drawing power from one fan header, why not use the one that has a higher power capacity? Can you read the label on the fans and see their power rating? For example, it will be something like: 12V DC 0.300A.
No I don't think that is what he means, because that is not what automatically happens. He said he can hear pump noise with the pump connected to a fan header set to full speed/power all the time, when the PC is idle and the fan's speed are low and they are quieter. So he connected the pump to a different header so he can control its speed separately from the fans, without using the Corsair Link software. nangu, I did a similar thing with the original H100. I had the pump connected directly to the PSU with a molex to three pin adapter, the idea to keep it at full speed all the time. But it made too much noise that way, so I put a simple, single manual fan speed controller between the PSU and the pump. I could reduce the voltage to the pump a little bit, and it was much quieter without loosing much speed. I'm sure you do the same thing with the fan speed control in the UEFI. ------------- http://valid.x86.fr/48rujh" rel="nofollow">
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Posted By: nangu
Date Posted: 27 Oct 2017 at 11:55am
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@parsec 100% right. I pointed out the CPU_OPT header for pump because you can set it PWM or DC modes in UEFI. My AIO pump has a 3 pin header, no PWM, so I set the mobo header in DC mode and can control pump speed this way. CHA_FAN3 has the same functionality as CPU_OPT if I'm not mistaken, I don't know if there is a power delivery difference between the two tough. @Haaviko What parsec wrote is what I meant. Cheers. ------------- R7 1700 @3.90 1.25v - GSkill TridentZ 3200c16 Hynix MFR @2933 14-16-16-32 - Fatal1ty Gaming X370 K4 - Gigabyte GTX 1070 G1 - WD 256 Black M2 Nvme as Windows 10 boot drive - EVGA Gold 650W |
Posted By: Haaviko
Date Posted: 27 Oct 2017 at 7:51pm
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" rel="nofollow - Well I've got it set on the CPU_Opt header now and Corsair said to use PWM even though its only a 3 Pin.. for the h100i v2. I can control to pump speed using Corsair link, so why do I need to use DC? |
Posted By: nangu
Date Posted: 27 Oct 2017 at 10:44pm
Hi, I set CPU_OPT in DC mode to control pump speed by UEFI instead AIO software. Note: I don't have the h100i but an Evga AIO, both have the same Asetek pump. What you are doing is fine, I only pointed out the other method to connect an AIO to these motherboards if you don't want to use the Corsair Link Software, and get it controlled only by UEFI. This is my preferred method, but it doesn't mean it's better than yours ;-) Cheers, ------------- R7 1700 @3.90 1.25v - GSkill TridentZ 3200c16 Hynix MFR @2933 14-16-16-32 - Fatal1ty Gaming X370 K4 - Gigabyte GTX 1070 G1 - WD 256 Black M2 Nvme as Windows 10 boot drive - EVGA Gold 650W |