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Hi all! I'm back with a new motherboard and a new OC! I've finally managed to hit 3800Mbps at 1.344V on my 2666Mbps G.Skill Value RAM with an MSI B450M Mortar Max. I've tested for probably an accumulated 6 hours since I ran TM5 with every group tightening, so the 1 hour test in the image is no...

@Krümel I reverted back to 1.0.0.4B because 1.0.0.6 made 1866 FCLK impossible. The closest I got to stable was with 900mV SOC, which is definitely not right.

@Poekel Isn't the 4750G monolithic? Why is the memory latency so bad? My 3500X with 3733 18-21-18-20-30 at a lower clock speed (3.95GHz) gets 69.6ns. For timings your tRC, tRRD_S, tRRD_L, tFAW (very important), tWTR_L, tWR, tRTP and tCKE look higher than usual. You can also try the SCLs, I think...

@Stukas Στο Ίντελ "Β" τσίπσετ με το Core i3 δεν μπορείς να έχεις το RAM υψηλότερο από 2666, πρέπεις να έχεις το "Ζ" τσίπσετ να έχεις το RAM υψηλότερο από 2666. I aplogise for poor Greek, it's my second language.

I'm going to be updating to AGESA 1.0.0.6 on my Biostar board, wish me luck! Update: Fuck. It broke my infinity fabric overclock, and now it requires wack SOC voltages, like extremely low and even then it's only semi stable. I went back to 1.0.0.4B, and I'm never updating my BIOS again! @Erdy...

@kakyoin you can always try :) I got my tRAS as low as 30 without performance penalty.

Nice @kakyoin. Seems the point of negative scaling up to 1.35V is mostly influenced by temperature, but after 1.35V it's pretty much just C-die doing C-die things. I think you could bring tRAS and tRC down. tRC probably 62 and tRAS 39. Also try bringing ProcODT down, I have heard above 40 is...

Liquid cooling? Lol. 1.28V should do anything at 10ns CAS, C-die doesn't need extra voltage for frequency with same CAS from my testing. Make sure when testing to have a heater on or something (realistic warm room scenario)! At 21c I can pass TM5 for ages but at ambient 24c it gets errors within...

Lucky! Flickering going away is probably because you have poor cooling and it can't tolerate 1.3-1.35V. Haha 10ns CAS peasant!

You sure FCLK is stable if on Ryzen? Maybe increase SOC?

You're being very conservative with voltage, remember the C-die kits use 1.35V stock so you're safe there. tFAW 16 is amazing, but if I go below 27 it errors after about 30-40 minutes of TM5 1usmus_v3.

Increase tRCDRD and/or voltage, never gotten tRCDRD 20 to work at 3733MT/s. Could also bring tRAS down a fair bit, mine goes down to 30, but theoretically 38 is the minimum before there are no gains.

Aaaah! According to Windows Reliability Monitor it is showing hardware errors with the code 144 (all of them). After some googling it appears to be video card driver, and I am currently running an RX 570. You think it's my memory OC or AMD drivers doing AMD driver things?

@alxns I believe AIDA will pick up any error within the system (probably picks up WHEA errors), even if it is only testing memory whereas other stress testing software will only pick up memory errors.

😭 Why must you scare me like this! I am trying to get my tFAW lower, it passed 40 minutes TM5 at 25 from 27, a good start. The issue is that I need to try AIDA64 and GSAT. Update: tFAW 20 passed 50 minutes TM5 Anta777 heavy5opt, failed 1 minute of AIDA64! Now it's been 35 minutes at my...

I found 1.33V unstable in my case, and had to bring it back to 1.34V and it's been weeks without issue. I also decided I wanted to test CAS vs FCLK. I ran 3733CL18 and 3666CL17 through the Rainbow Six Siege benchmark at 360p on low settings with my 3500X and got the exact same results. I give...

@Cpt_cool My explorer.exe has been crashing all the time, IDM dll file and some other Windows one. I'm running AIDA64 now after having run TM5 and HCI to make sure it isn't RAM. I just reinstalled IDM and did some potentional fixes for ntdll.dll, very annoying!

[USER = 306787] @Cpt_cool [/ USER] Definitely easy to overlook. I'm surprised by my tWRWRSD and tWRWRDD which are quite low. Edit: Gee wee every day my OC becomes unstable. Yesterday I have it at 1.33V stable, today I come and get lots of crashes and test with 3 errors in a minute. I bring...

Could've used much lower tRC and slightly lower tRAS on the 3733. Other than that this is a good comparison. Edit: I'm not going to flood this thread... I did manage to tighten a few timings from my "final" OC. I got tRCDWR down to 19, tWRRD down to 1, and tWRWRSD and tWRWRDD down to 4. I...

Yes it's a Thermaltake Versa H18. Incredible airflow, especially for mATX. I'm going to replace my CPU cooler with a be quiet! Pure Rock 2 at some point, we'll see how this plays out with my OC. Update: Switched around my fan. So the 1200rpm (highest speed, but higher quality so quieter) fan is...