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  Topic Review (Newest First)
01-18-2020 12:11 AM
LordGurciullo reach the sky. I changed my **** to 17 17 17 36, 300 and 65k.
Still higher latency... but I'm starting to think margin of error.
Lowest I had was 38.6 and now I'm getting a 39.1 - 39.4

But When I first tried computer wouldn't boot... had to icepick the cmos again. went up to 1.47 and 1.25 each and it works...
01-18-2020 12:09 AM
Quote: Originally Posted by Lurifaks View Post
Just for fun to see if it would boot @ 4533 MHz

1.5 vdimm
1.35 vccsa
1.35 vccio
Put it in a memory test. If you want any chance at tuning it you need to validate/test xmp auto timings first.
01-17-2020 11:31 PM
LordGurciullo Crazy yo! I just want max frames with my 1080p. Ideally 240 minimum .....
Is that latency I want?
01-17-2020 11:12 PM
Lurifaks Just for fun to see if it would boot @ 4533 MHz

1.5 vdimm
1.35 vccsa
1.35 vccio
01-17-2020 10:49 PM
LordGurciullo Reach the sky will you ever be satisfied . My ram was 210 dollars with tax... 3200 14 kit.. Got lucky!
I will raise tras to 36 and see!

Falkentyne why would you want to test just cache?

Reach the sky. I have never played with the variable voltage... I'm on 1.35 5.0 1.219 underload...
I guess I could try variable...
01-17-2020 10:16 PM
Falkentyne Someone said they wanted every 9900k microcode known to man for modding to check performance.

Whoever does will have to use UBU (UEFI Bios Updater) tool to mod them into a BIOS and then flash with EFIFlash.
01-17-2020 08:10 PM
reachthesky Managed to get 4200 stable yay. Now I just need to improve latency. Any ideas what to change first?

01-17-2020 07:19 PM
Quote: Originally Posted by Alemancio View Post
Thanks Falkentyne, what other Prime95 ranges&uses do you know?

Would this still hold true for Coffee Lake?
Any hyperthreaded CFL chips.
The IMC/L3 cache is responsible for dealing with hyperthreaded cores as they are virtualized registers that are duplicated to appear as physical cores to the operating system. They require L3 memory. And what controls L3 cache voltage? VCCIO (IMC).

I only found out the 112K AVX disabled test by accident when stress testing stuff myself.
112k FMA3 is the hardest FMA3 test to pass (for testing cores) and 36K AVX is the hardest AVX test to pass.
01-17-2020 07:09 PM
desi_1990 Guys i would like to thank you for helping me out with 9900k temperature issues. Specially Falkentyne

So the problem was my pump i believe. after re applying thermal paste dozen time and re mounting my unit, I replaced my water cooler all together and bam! problem solved. 30C idle temps and 65 underload of stress test. cant believe where i thought the actual problem was and where it ended up being. oh well cant blame myself either as the Pump was showing reading of 3000RPM *shrugs*
01-17-2020 03:41 PM
Quote: Originally Posted by Falkentyne View Post
Prime95 29.8 build 6, 112k-112K in-place FFT with AVX disabled, with HWinfo64 WHEA sensor log open. This will show L3 cache/IMC related stability with hyperthreading enabled.
Several people here have been successful with that test.

If that passes without any CPU L0 errors logged, try 256-512K FFT and make sure that also passes. (I'm not sure if that is in-place or not checkboxed).

AIDA64 stress FPU only possibly works but temps heat up between prime95 small FFT AVX disabled and AVX enabled levels so that might not be the best way if you are temperature limited.
I haven't tested stress cache option only.
Thanks Falkentyne, what other Prime95 ranges&uses do you know?

Would this still hold true for Coffee Lake?
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