Asus Z490 stuff

[martine-dee]

One by one.

The BIOS is already the latest available for M12E, 0607 2020/06/11; this kit* runs at 1.5 V when OC'd to 4000 MHz. I picked it specifically because it is in the QVL for M12E, and it doesn't fall under higher frequencies (above 4000 MHz), which are expectedly a pain to tune. It shouldn't be this much pain even.

What would be the purpose of testing less than the whole kit? For example, identifying on which sticks errors happen won't help me, as I need the four sticks to work together. Since the kit is within the return right period, the right thing is to report the fault to the vendor and ask for a replacement. Eh?

* - F4-4000C15Q-32GTZR
https://www.gskill.com/product/165/1...2GTZR-Overview

[KotOr368]

You should try update 0704 from first page. And if you try one by one and if it will have zero error the problem could be your CPU IMC(memory controler) or return them and try new one if you still have problem. Than your CPU or mobo can be problem.

[martine-dee]

You should try update 0704 from first page. And if you try one by one and if it will have zero error the problem could be your CPU IMC(memory controler) or return them and try new one if you still have problem. Than your CPU or mobo can be problem.

I may have neglected to mention that there were no game crashes while running things with a CMK32GX4M4A3200C16. Maybe it is relevant that the issues with frequent game crashes only started when I installed the new F4-4000C15Q-32GTZR.

Does this play in the favor that the F4-4000C15Q-32GTZR is defective, or is that a rather weak indicator?

Hm, 0704, I didn't believe that we will be getting new BIOS on the forum. I might give it a try.

[KotOr368]

0704 so far good for lots of people. 0607 has default LLC 7 in my case, like Asus what? So i was wondering what other crap is inside.

QVL is just gimick you can buy non QVL and it could be better
Well your jump from 3200 to 4000. It could be many things mobo seting something bad. Your IMC is weak. Or bad luck with memory.

First i would try that bios. Clear cmos. And go from zero. Enable xmp. Test if it is bad. Try UP voltage and if you are not comfortable with putting more voltage. Return them and try new one and if that is bad than it must be mobo or cpu.

Ed1. about QVL apex should support 5000+ there are kits that can do , but show me a CPU that can handle it without tweaks
Or return them and buy 3600 c14 the performance will be same with less hassle. 4000+ is just marketing

[martine-dee]

Hm. This is the newest, I did update to hte 0704. Then I did more testing, targeting hte Test 6 (Block move, 64-byte blocks), which failed the first time.

I tested with CPU and RAM at stock speed: no errors.
CPU OC'd (x53), RAM stock speed (2133 MHz): no errors.
CPU on stock, RAM OC'd: that was a flood of errors, ~150 in four passes. And even the memtest86 froze at the end, lel.

Fine. RAM voltage at 1.51 V. Error flood, 49 at the first pass, ~190 projected for the four passes.
RAM voltage at 1.52 V. Error flood.
RAM voltage at 1.54 V. Error flood. That was over 100 erorrs in the first pass. Projected ~400 in four passes.

Increasing voltage increases the error rate drastically. I definitely want those sticks out of my PC.

Does this difference in behavior when CPU vs. RAM are OC'd lead to a better diagnosing whether it is the CPU's inability to handle 4000 MHz, or a faulty RAM?

[KotOr368]

If you are testing stability always do it one by one. First oc cpu to max then add RAM. Or ram then cpu if OC both its hard to diagnos. So put yor cpu to stock. And lets say your XMPvoltage is 1.5V so i would try 1.54v not workin. Put 1.5v back and try VCCSA and VCCIO 1.25v if this not help return the kit. Iam not and pro OC ok. So this is all i can help.

[martine-dee]

Well, let me tell you that I appreciate a lot the effort on your part. I wished to add to your reputation, but the site thinks I've already given too much. Will remember for later. At least, I've now got the BIOS update. Thanks for that one!

P.S. If I obtain a second module and it behaves like this, I might be happy to hire someone (here) to help me fine-OC the things.

[Falkentyne]

Well, let me tell you that I appreciate a lot the effort on your part. I wished to add to your reputation, but the site thinks I've already given too much. Will remember for later. At least, I've now got the BIOS update. Thanks for that one!

P.S. If I obtain a second module and it behaves like this, I might be happy to hire someone (here) to help me fine-OC the things.

This board is daisy chain so we need to find out if the sticks are bad so you need to do this.

1) Go into tweaker's paradise and set DDR Termination Voltage (DDR VTT) to 0.750v. Then set DDR Voltage to 1.50v manually.

2) Set VCCIO to 1.20v and VCCSA to 1.25v.

3) Install only TWO sticks of RAM. One in the slot FARTHEST from the CPU, then skip a slot and then one in the next slot. So, in other words, one in each "Ram bank", farthest from the CPU, so going from the CPU outwards, it's (CPU) --> empty -->RAM --> empty --> RAM. Make sure XMP is enabled and again 1.5v DDR, 0.750 DDR VTT (DDR Termination voltage in Tweaker's paradise, 1.20v VCCIO, 1.25v VCCSA with XMP enabled).

4) doublecheck DDR and DDR Termination voltage (DDR VTT) make sure they did not change values.

5) test test#6 again in memtest. Verify no errors.

6) remove those 2 sticks of RAM and now install the other 2 sticks into the same slots and test those also.

Please verify no errors like this. Report your results.

[martine-dee]

This board is daisy chain so we need to find out if the sticks are bad so you need to do this.

1) Go into tweaker's paradise and set DDR Termination Voltage (DDR VTT) to 0.750v. Then set DDR Voltage to 1.50v manually.

2) Set VCCIO to 1.20v and VCCSA to 1.25v.

Hi. I actually did this.

Using A* and B* slots (those you pointed to) gives each pair of sticks a pass.
However, getting greedy, and wanting to use 4 sticks fails.

That means that it is my system that cannot take the 4 sticks, right?

[Falkentyne]

Hi. I actually did this.

Using A* and B* slots (those you pointed to) gives each pair of sticks a pass.
However, getting greedy, and wanting to use 4 sticks fails.

That means that it is my system that cannot take the 4 sticks, right?

Did you test each set of 2 sticks in A and B, and both sets worked stable as 2x8 GB sets?

If yes, then you are correct, 4x8 GB will not work with that board at XMP without a BIOS update or some tuning in the BIOS of Skews or other things, and I know nothing about that. Cas 15 is a large ask for a 4x8 GB config anyway.

You can try putting all the sticks in again and setting RAM timings (Primaries) to 16-16-36 (instead of 15/16/36), so CAS will be 16 instead of 15, set voltage DDRV to 1.5v, DDR VTT to 0.750v, VCCIO/SA 1.20v / 1.25v, tRFC to 350, tREFI to 32768 (these will both give you a small speed improvement), and try this.

If you want to panic, go to skews control, and set WR =80, Park to 48, Nom to 40, for each channel so do it twice.
Those are for dual rank 2x16 but you can try it. you have nothing to lose anyway.