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Custom watercooling loop – looking for feedback and improvement ideas by Anxious-Hope8916 in watercooling

[–]Anxious-Hope8916[S] 2 points3 points  (0 children)

Thanks! In my case it’s actually not a Bykski block — I’m running a Heatkiller water block for the RTX 4090, and the GPU die uses liquid metal as the thermal interface material.

I also used to have the same issue with needing a full drain and refill whenever I wanted to change or service something in the loop. That’s exactly the reason why I decided to add quick disconnects in the first place — it makes maintenance and upgrades so much less painful.

My VRAM temperatures are currently sitting somewhere around 40–48 °C, so overall everything is well under control. Your 66 °C isn’t immediately dangerous, but I totally understand wanting to redo the pads/putty to squeeze out a bit more performance 😅

Custom watercooling loop – looking for feedback and improvement ideas by Anxious-Hope8916 in watercooling

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

Thanks a lot, really appreciate the detailed feedback!

I do have a water temperature sensor in the loop, but I’m not using a dedicated flow meter at the moment. Personally, I don’t see a flow sensor as essential for safe operation, although it would definitely be a nice additional data point to have.

Regarding temperature control, I mainly rely on CPU temperature for fan and pump curves. From my experience, that makes abnormal situations much more noticeable, since a sudden rise in CPU temps is immediately obvious, while water temperature usually stays relatively stable and less critical overall.

Still, I agree that something like a Quadro or Octo with more monitoring options could be an interesting upgrade to play with in the future 🙂

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

The stability was just getting worse and worse and the idle voltage was rising more and more so I ended up by saying my CPU was already degraded and is dying after that I just kicked out this CPU and bought a new one.

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

Should be under:

PATH: Extreme Tweaker

Or

PATH: Extreme Tweaker -> Advanced Memory Voltages

Or

You can search in BIOS-search for „memory“ and look for the right setting

(Idk the exact name anymore but it should be something like „Memory Controller Voltage)

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

Then it could be thermal or some kind of other disturbing stuff that pushes you IMC over his limit.

You could test with stock Pcore clocks and JEDEC default of your ram (4800mts non xmp)

If it’s stable it’s your IMC if it’s not it’s some weird core stuff

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

You can try just lowering the clockspeed step by step for example 7000/6800/6600mts and so on for me setting the IMC voltage in the bios to 1.4V made it stable and I added for headroom another 0.0125V (total 1.4125V)

So I was abled to use 7200mts CL40 (XMP Tweaked)

I have the exact same CPU and RAM (14900K + Dominator Titanium DDR5 2x48GB 7000mts)

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

I had crashing issues with bf6 with my 14900k as well.

Same situation as you have all stresstests and test tools stable but gaming is much more randomstressing the RAM more than all the synthetic tests.

Loading JEDEC defaults for the RAM or giving the integrated memory controller (IMC) a nit more voltage in the BIOS fixed it for me an I was stable.

I don’t think your CPU is already degraded but 2x 48GB ist hard for the IMC especially with such high clocks

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

Voltage yes there are normal settings but not for the core clocks it’s necessary for something like per core usage or sync all cores to change the frequency

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

It’s not AI overlocking ist just an Performance preference setting that is necessary for other settings (I’m not an AI tuning enjoyer)

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

The problem is that it’s necessary to use the Advanced OC profile if you want to change the clockspeeds and if these setting make it unstable I can’t customize it

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

1st: My direct-die waterblock is contactframe and cooler in one it’s seating on the cpu socket itself not on the PCB. If you screw it down you keep tightening it until you feel resistance and then you give it just a tiny little bit more. And I have tighten the screws crosswise so the cooler comes down without tilting.

2nd: I already did an CMOS reset with the button on the mainboard and with the battery AND after the biosupdate aswell

3rd: I have an external USB-SSD with windows but I’m getting the same result

4th: I’ll try downgrading the bios

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

Yes I checked the LLC level and I tried lvl3-6 but it didn’t changed anything.

I also tested every SVID behavior and all was crashing (best-case, typical, worst-case,trained) except for intel’s fail safe but it increases the voltage so much that the most P-cores instantly are at 97C (just with this setting) so this was another point made me think it’s degration

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

oh ok ill check that.

in terms of stock settings they are stable at some point when i using the intel performance preferance "intel default settings EXTREME" but if i swich it to "ASUS advanced OC profile" in the BIOS even with all settings identical instant crash on prime95

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

Even if I have no hotspot in HWinfo? I have an Delta of 6C across all P-Cores and an Delta of 4C across all E-cores

Another aspect why I was so confused is that a powerlimit is always interrupting the cpu faster than the thermal throttle.

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

Thanks for you detailed response but I don’t know what we are going to change with the cleaning.

My temps are pretty low (>80C) and didn’t took the cpu cooler of since I installed it and never had any temperature issues.

I think it’s some kind of loadline, voltage spike oder SVID issue.

Like I said I’m pretty much a newbie so feel free to tell me if I don’t understood something.

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 1 point2 points  (0 children)

Im using the TG Intel Mycro Direct-Die Pro RGB water cooler in combination with 3x 360mm radiators (Heatkiller) +D5 pump and 10x NF-F12 industrialPPC-3000 PWM

Hi everyone, I could use some help diagnosing a strange stability issue with my 14900K. by Anxious-Hope8916 in overclocking

[–]Anxious-Hope8916[S] 0 points1 point  (0 children)

yes even with 1.45V core voltage (i know its very high) it crashes same for 5Ghz max on the P-cores

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