Z690 Apex + G.Skill DDR5 F5-6000U4040E16GX2-TZ5K Stability and OC

[neveragain_]

Hello Everybody,

Need your advise and opinion about my situation below.

I'm start reading this forum since April this year after I bought desktop system. This is my first desktop system since 2010.

My configuration is:
I9-12900K
ROG MAXIMUS Z690 APEX
G.Skill DDR5 F5-6000U4040E16GX2-TZ5K 6000 MHz
Asus ROG Strix 3080Ti

Since beginning my DDR5 doesn't work stable on XMP profile's (I and II).
With some advises which I found in this forum I was able to stabilize my system with voltage increased on BIOS 1505. Also I used AI Suite 3 for auto overclocking my CPU. It was overclocked by 68% (starting screen says me that) and 3 P-cores was on x54, 3 cores on x53 and 2 cores on x52. Everything works stable. I checked my memory by Memtest86 - passed and AIDA64 stability stress test during 30 minutes works well.

That was a good part of my story.

Everything was changed after BIOS 1720 when Windows update my BIOS. All previous OC's was changed to default. My previous settings doesn't works well on this BIOS. It means Memtest86 passed well but AIDA64 stress test - not. CPU was OCed by AI Suite 3 till 68%. Sometimes some games crushed but I leaved with this.

Finally, I installed BIOS 2004. I tried to use AI Suite 3, it overclocked my CPU up to 71% (starting screen says me that), 3 P-cores was on x55 and others was upgraded too. But Windows didn't boot. It freezes at login window forever. Also all my previous settings from BIOS 1720 doesn't works for XMP (I and II). Now I was able to pass Memtest86 with voltage VDD and VDDQ by 1.4. AIDA64 stability test didn't passed at all. I receiving failure "hardware failure detected" after 1-3 minutes of test. I continue to use my system and till now no crushes during work or playing games.

And now I need your advises:

1) Is it normal that Memtest86 passed but AIDA64 stability stress test not.
2) Should I OC my CPU manually or I can do it somehow with AI Suite 3.
3) What's the safest voltage for my Samsung memory and can I improve timing somehow.

Sorry for the long read, I never create a threads in forums before. Thank in advance.

[warreng090]

neveragain_ wrote:
Hi JohnAb,

Now, I don't try to OC my CPU. I can't stabilize XMP profiles on stock CPU settings after BIOS upgrade to 2004.

For example, this morning, my memory pass Memtest86 and Cinebench R23 without issues but Aida64 stress test not. Settings of memory below:

Dram VDD voltage - 1.435v
Dram VDDQ voltage - 1.435v
CPU System Agent voltage: 1.30v

Advanced memory voltages:

IVR Transmitter VDDQ voltage - 1.435v
Memory Controller voltage: 1.30v

All CPU setting set on default. Now I'm suspecting some problems with my CPU setting which maybe comes from BIOS 2004.
If somebody had similar problem, maybe you can advise me the possible solutions?

I have the same kit on an Apex. I had to go through two RMAs just to get XMP stable. Channel A had issues. Anyway, now I've got it dialed in as far as an OC goes at 6000mt's. I recommend to dial that vccsa back to 1.00, maybe even lower like .95 and test. There are some other advanced voltages I changed in bios. I have to reboot to obtain them.

[neveragain_]

warreng090 wrote:
I have the same kit on an Apex. I had to go through two RMAs just to get XMP stable. Channel A had issues. Anyway, now I've got it dialed in as far as an OC goes at 6000mt's. I recommend to dial that vccsa back to 1.00, maybe even lower like .95 and test. There are some other advanced voltages I changed in bios. I have to reboot to obtain them.

Thank you warreng090.

I lowered VCCSA to 0.95 looks stable. I just tried XTU stress tests and it's pass. But when I tried to use XTU AI OC to boost my CPU, XTU's stress tests of memory and CPU shows Power Limit Throttling and Thermal Throttling from the start.

Seems like as I thought now the problem on CPU side. Could you please advise safe setting to boost my CPU?

Thank you in advance.

[warreng090]

neveragain_ wrote:
Thank you warreng090.

I lowered VCCSA to 0.95 looks stable. I just tried XTU stress tests and it's pass. But when I tried to use XTU AI OC to boost my CPU, XTU's stress tests of memory and CPU shows Power Limit Throttling and Thermal Throttling from the start.

Seems like as I thought now the problem on CPU side. Could you please advise safe setting to boost my CPU?

Thank you in advance.

Glad to see your memory is stable! I have very little experience using XTU OC. It's tough for me to guide you in overclocking your CPU. What are you using your PC for? Just gaming? The Asus AI OC may be a good option for you. If you're experiencing instability in that, bump your adaptive voltage up .02.. .03 and see if that smooths things out. If you want to really get the best performance and potentially save some power while you're doing so, I suggest reading the guide from Overclockers if you haven't already. Its very good. https://www.overclock.net/threads/asus-maximus-z690-extreme-i9-12900k-guide-load-lines-vf-curves-ada...

[neveragain_]

warreng090 wrote:
Glad to see your memory is stable! I have very little experience using XTU OC. It's tough for me to guide you in overclocking your CPU. What are you using your PC for? Just gaming? The Asus AI OC may be a good option for you. If you're experiencing instability in that, bump your adaptive voltage up .02.. .03 and see if that smooths things out. If you want to really get the best performance and potentially save some power while you're doing so, I suggest reading the guide from Overclockers if you haven't already. Its very good. https://www.overclock.net/threads/asus-maximus-z690-extreme-i9-12900k-guide-load-lines-vf-curves-ada...

Thank you. But my problem now is - starting from BIOS 2004 AI OC is not working for me. When I set this option in BIOS my system didn't boot at all.
BTW, it works perfectly till the last BIOS update. I don't know what to do.. set setting manually or await new BIOS...

[warreng090]

neveragain_ wrote:
Thank you. But my problem now is - starting from BIOS 2004 AI OC is not working for me. When I set this option in BIOS my system didn't boot at all.
BTW, it works perfectly till the last BIOS update. I don't know what to do.. set setting manually or await new BIOS...

My experience with AI OC has been alright. I don't use it though. I did mess around with it and I found instability in long stress tests however, it was perfectly fine when gaming.

I may be incorrect in this statement, but I believe that AI OC fits the typical gaming consumer quite nicely. These high end boards are for those that really want to tinker and spend hours upon hours maximizing their systems potential. Sorry for going off topic here.

[Silent_Scone]

neveragain_ wrote:
Thank you. But my problem now is - starting from BIOS 2004 AI OC is not working for me. When I set this option in BIOS my system didn't boot at all.
BTW, it works perfectly till the last BIOS update. I don't know what to do.. set setting manually or await new BIOS...

The rules are fairly tight on this gen so there may be a red herring somewhere. If all memory overclocking is disabled, you may want to apply an AVX offset depending on what tests you're running to test stability.

[neveragain_]

Silent Scone@ROG wrote:
The rules are fairly tight on this gen so there may be a red herring somewhere. If all memory overclocking is disabled, you may want to apply an AVX offset depending on what tests you're running to test stability.

I'm newby with OC. Could you please advise what is the AVX offset and how I can apply for it?

Thank you in advance.