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Official MSI MEG z390 ACE motherboard thread

81K views 249 replies 43 participants last post by  CiTay  
#1 ·
Thought i'd make a thread for what seems to be an outstanding motherboard. I took delivery of mine a few days ago and just waiting for my 9900k to arrive (pre ordered thru amazon) Hoping we can start some good discussions in here concerning this board and any troubleshooting issue that may turn up... Anyone have anything to add?!
 
#2 ·
I'm accustomed to and like the MSI BIOS, so I'll go MSI when I can. Nothing lower than an M5, though.
Thought about buying this board for my 8086, but then I saw no integrated graphics and no PS/2 connector and went "Wha....? They replaced the M5 and M7 with this? ????!!!!" It's their second best z390 board and it's the only one that has no PS/2 and no IGD?
I was disappointed that it wouldn't meet my needs.
Looks like the components are pretty good, though.
I look forward to seeing how well it runs for you.
 
#4 ·
Just curious sir, why would one buy a highend board like this (or MEG series in general) and want/need IGP outputs? im just a little confused. Also, why do you still have a need for a PS2 port? Im an OLD SCHOOL pc addict myself, but i moved away from PS2 2 generations ago... I understand tho, sometimes old habits are hard to break and nothing wrong with that at all. Appreciate your reply tho however!

I am an owner without a CPU to use with it. Waiting on that pre-order.
Terrible aint it! Im just itching to get my hands on my 9900k, praying amazon doesnt shaft me!
 
#9 ·
anyone having issues getting ANY memory timings with a "1T" command rate to boot?? I can set the most relaxed timings and set 1T and no post.... Can set the tightest timings with 2T and all is fine... anyone else?
 
#39 ·
Originally on DDR rams 1T is for 1-chip-side modules and 2T for 2-side modules.
They might work fine or maybe not at all 1T.
4 modules is also harder to memory controller than 2 modules.
 
#10 ·
am i stuck with 2T cause im using all 4 ram slots? Just dont ever remember intel based cpus/boards doing this to me like AMD was back in the day
 
#12 ·
so far this has been a fairly decent board to oc on. ive had a few days now with my 9900k and i have a few hardware issues with the board (1 dead usb 3.0 header, and 1 dead fan header) but she seems to clock okay and really hasent complained much. I absolutely hate the onboard nic... i found a huge mem leak after installing the killer drivers. Sitting at the desktop at idle with NO PROGRAMS RUNNING, i was nearing 6gb of used mem. As soon as i disabled the onboard nic and removed all the bloatware drivers for it, my ram usage went back to normal (1.6-2.0gb) so im using the built in Intel AC WIFI which works fantastic. I have 1 major grip, and that is i CAN NOT get the realtek sound app to load so i can adjust my eq. Gogole searching reveals its a common issue with no fix (So far)
 
#13 ·
#14 · (Edited)
I downloaded it today and was able to get my 32GB 4000 CL17 kit to XMP correctly finally. Was downclocking it to 3733 before this.

How did you spot the issue with the NIC? Can the NIC be run only with the Killer drivers? I see it using like 100 megs of ram, but not gigs. See photo I attached as an example.

Also how did you test for a dead fan header? I am trying to figure out if I have a bad RGB header, but unsure how to test it.

Where is MCE in the bios? And what type of OC's have you gotten?
 

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#22 ·
yeah, thats true.. i didnt know you had 4000mhz ram
 
#25 ·
So I have had an interesting experience with it. At stock clocks on the chip I can now get the XMP profile of it to load and run correctly with the new bios, however when trying to OC if I have it using XMP it won't do it. Thing BSOD's during stress tests within first few minutes. Downclocked it to 3733 CL17, a known 32GB kit that works on this board, and everything works fine. I think I will have to tweak it because right now I can run 5.0 at 1.25 vcore using auto oc settings, so there is room with my chip to up the voltage, and up the voltage on the RAM and Mem Controller on the chip. Just don't want to waste a whole weekend doing it at the moment.

This board delivers good power though. People were complaining it wastes a lot of energy, but it draws more energy to deliver more efficiently to the chip core I think.
 
#23 ·
Yea rainbow1 not the Corsair header... just take the splitter out of the controller take the three pin out that u install in the first place then put in to the three pin header on the bottom on your motherboard... Do Not Put it in the four pin rgb header..... also while u are at it u can take out the controller and the USB that it is plug in to ur USB ... u only needs that if u are running cooler Master software which is bad
 
#24 ·
Thank you! This got it working right. Didn't have a female to female way to attach the cpu cooler light, so just ordered one. Will be uninstalling the controller and USB cable once I get the extension cord I ordered. If you found out a way to hook up the CPU light without needing a separate extension cable let me know. Couldn't figure out if I had a part to do it a little while ago.
 
#35 ·
Nice, but only 8C8T...and CineR15, that means nothing for daily - 24/7 use.

Give us prime95 26.6 (non-avx) small-fft 1h stable results with hwinfo open all time. That means some of stability. Thx.
 
#34 ·
i found the golden realtek audio driver that works with this board AND allows both nahimic and realtek sound apps to work so we can finally adjust audio settings if someone wants it!!?? Only took me 2 weeks to find this magic driver!
 
#40 ·
Has anyone figured out a way to interpret the LLC levels in the bios? There also seem to be two LLC or potential LLC values you can edit. The MSI livestream they did of the Godlike and adjusting the bios literally had them altering the one that it is less clear if it is LLC or not, and the guy was all over the place on what things meant. Also they focused more on underclocking to save power then ocing the chip. Was crazy to watch.
 
#53 · (Edited)
here are my bios settings... please note that if u are going to use these u might have a different out come then me ... i would first start by just clicking xmp button then putting the cpu ratio at 50 instead of 51 .. then bump cpu vcore up until u reach a stable clock rate 1.30-1.4. if u have to go higher than 1.4 for 5ghz then step back your clock ratio from 50 to 49. also I'm Not use avx offset ... but i think u should until u find out what clocks your cpu can do ... i would go with an offset of 2-3... for testing your overclock's i use ROG Realbench stresstest for half an hour with as much ram as i could ...example of this would be if u have 16gb then test the one below that which would be 8gb... also after that is finish i ran prime95 ver26.6 for one hour on custom with min fft 12 max fft 12 then click run in place and hit ok... temps will get high i was at around 98 core package after an hour... have fun :thumb:
 

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#58 ·
Been reading a bit on ram OCing and I am wondering if I should adjust my SA and IO voltage back. XMP profile has it at 1.3+ on both to get the 3733 CL17 32GB running, but I am wondering if long term that is going to damage the memory controller? Going to test throttling it back this week. I’ve seen other folks recommend not going over 1.25 on those but that was also with previous gen intel cpus, which I wonder if the 9900k can handle more. Would MSI tech support maybe have an idea on this?
 
#60 ·
The default system agent voltage is 1.050v, and the default CPU VCCIO is 0.950v (I think).

1.3v is definitely high.
It's your system so there's no harm in setting it down to something like 1.15v for the system agent and 1.05v for VCCIO.
test that and if it works, you saved a few C in temps also in the process.

I attached the datasheet for you.
 

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#80 ·
Yeah that makes sense now why the VCCSA has to be higher.
4000 mhz memory puts a huge strain on the IMC, so stock isn't enough.
 
#83 ·
Want to bring to folks attention a post on the MSI Forums.

https://forum-en.msi.com/index.php?topic=310902.0

Second reply down guy goes over his OC settings on a MEG ACE, but with an i3-8350K. He says there is an issue with PLL OC Voltage:

Must be manually set CPU PLL OC Voltage v1.2! currently, there is a bug in BIOS (MSI does not think so!), "auto" set v1.35, which is very much and greatly affects the CPU temperature. I'm using now v1.070 the CPU temperature dropped by 20 degrees compared to auto set.
Anyone else seen this or tried it? I am going to mess with mine this evening. Also adjusting LLC to Mode 4, and trying some of the other settings he has listed.
 
#84 · (Edited)
Want to bring to folks attention a post on the MSI Forums.

https://forum-en.msi.com/index.php?topic=310902.0

Second reply down guy goes over his OC settings on a MEG ACE, but with an i3-8350K. He says there is an issue with PLL OC Voltage:



Anyone else seen this or tried it? I am going to mess with mine this evening. Also adjusting LLC to Mode 4, and trying some of the other settings he has listed.
Ah the CPU PLL OC Voltage, which is called different things on different boards.
There was a bunch of rage threads over here, reddit, Intel forums and other places about this making the temps get over-or underreported on the 7700K.

Someone wound up saying that the CPU DTS sensor is based on the same circuit that controls CPU PLL OC voltage.

I thought all that talk died down and was forgotten...


CPU PLL OC Voltage is supposed to be linked to VDDQ, which is memory voltage.
If the memory voltage is 1.35v, then that would explain the CPU PLL OC Voltage.

I'm not sure if it's safe to reduce CPU PLL OC Voltage if memory voltage is still 1.35v.
Note that the PLL Supply voltage (VCCPLL) ranges from 0.95v to 1.05v.
 

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