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Updated: ASRock Z370 Z390 user discussion thread + Review: ASRock Z390 Phantom Gaming-ITX/ac

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#201 ·
Ok I have some updates.

The coil whine I had noticed was been triggered by aggressive timer clock, the windows timer.
On my system at boot its 500mhz (2ms), steam forces it to 1000mhz (1ms). I had it forced to 2000mhz (0.5ms) via timer tool, I started using this tool ages ago but I cannot remember the reason why. I had observed on the login screen idle there was no coil whine but on the desktop after logging in it was there, I loaded up timer tool and set it back to 2ms and poof the coil whine at idle vanished with c-states fully enabled. When steam increases it to 1ms it comes occasionally faintly but is not persistent and easily tolerable.

Also regarding the secondary dimm slots, I now have tested an expensive 4 dimm 32 gig kit, and the exact same behaviour was observed, a 3000mhz performance ceiling in either a 4 dimm configuration, or a 2 dimm configuration using the secondary slots. I also tested my 4 dimms in an asus board and they run fine at 3200mhz XMP. So the fact my 4 dimms were two separate 2 dimm packs is confirmed not the reason for my findings, and also now as asrock tech support told me they only support JEDEC speeds in the secondary slots. I think people need to realise just because a ram manufacturer may not support using equal spec'd multiple kits together it is not a guarantee it wont work, it just means they wont support it, nothing more then that.

Its at the back of my mind to upgrade the bios, as I want the IME security fixes, am still on 1.00 but I dont want the LLC changes which will probably upset my stability balance, I also dont want the spectre microcode updates, so I will probably be staying on 1.00 for the foreseeable future. I may possibly mod my bios tho so IME is (mostly) disabled as there is a tool to remove big chunks of IME for security mitigation, since the asrock ram timing configurator doesnt even work for in OS changes I dont understand the benefits of IME. The only tool I have used to make live overclock changes in the OS is intel's XTU on the watt power limits.
 
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Discussion starter · #202 ·
There were platform-wide issues on launch with excess vDroop that was fixed post-launch.

If you don't want the LLC changes, you probably should try the best non-spectre mitigation UEFI released on 12-2017 than the october launch BIOS, or in some cases early boards do ship with L0.9x. It contains vDroop fixes with the original LLC levels. For training memory with heavily tuned subs (eg 4000 C16 1T), there were noticeable cold boot memory training improvements.

Do you have screenshots of your Memory Settings & Voltage Settings tab?
Is MRC Fastboot disabled (full memory training)?
 
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#203 ·
I will get the screenshots for you next time I reboot, MRC is on whatever the default value is, basically I didnt change it.

I get no cold boot issues with memory.
 
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Discussion starter · #205 ·
CharliePL said:
hi, I would like to buy Z370 taichi. Would I run into any problems running the following set:

8086k CPU
Crucial MX500 1TB SATA III SSD
G SKILL F4-3000C16D-16GTZR RAM
Corsair 570x case

Is RGB going to work as well?
Click to expand...
Highly unlikely that you'd run into compatibility issues.
RGB could work, but if you had the expectation of performing manual ram tuning (XMP is fine) your mileage will vary.
If you're talking about RGB RAM lighting control, ASRock Z370 BIOSes do support SPD write.
 
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#206 · (Edited)
Hello OCN, after surfing google for a while I had no other option but to go here.
Are there any solid in-depth article that compares
1) VRMs
2) VRM cooling
3) CPU overclockability
4) memory overclockability.

between Asrock Z370 Extreme4 vs K6 vs Taichi specifically? So far I couldn't find one. I don't care as much about I/O, audio (I know K6 has that better though), definitely don't care about looks and RGBs.

I've seen people saying they have same VRMs, i've seen them saying they don't, I've seen somebody saying there's no difference, then somebody says Taichi is the best (no explanation given), needless to say I'm confused to hell at this point so I had to resort to bother people with my questions here.

What a person can generally expect chosing between Extreme4, K6 and Taichi, in terms of 4 abovementioned points?

Also this post from the nearby thread got me confused too.

encrypted11 said:
Typically on T-topology boards, 4 DIMM yields better memory speeds.

<...>[/url]
Click to expand...
Isn't it the other way around, with 4 DIMMs putting more pressure on memory controller? Or is it that it's just easier to OC smaller amounts of memory on them or smth? I.e., do I need to look towards HX436C17PB3K4/32 or HX436C17PB3K2/32 for the upcoming 9900k with overclocking said CPU in mind (to the levels that NH-D15S will allow, no water) somewhere along the road?
I realize it's quite premature to mention that thing before any controlled testing is done, but that's the one I'm going for, and not 8700k/8086k. Still on a budget so trying to cut corners elsewhere, hence asking about IF there are mobo differences in terms of VRMs/VRM cooling/OC between those 3.

P.S. About VRM cooling - for a case with MasterCase H500 like airflow.
 
#207 · (Edited)
ll 3

Knjaz136 said:
Hello OCN, after surfing google for a while I had no other option but to go here.
Are there any solid in-depth article that compares
1) VRMs
2) VRM cooling
3) CPU overclockability
4) memory overclockability.

between Asrock Z370 Extreme4 vs K6 vs Taichi specifically? So far I couldn't find one. I don't care as much about I/O, audio (I know K6 has that better though), definitely don't care about looks and RGBs.

I've seen people saying they have same VRMs, i've seen them saying they don't, I've seen somebody saying there's no difference, then somebody says Taichi is the best (no explanation given), needless to say I'm confused to hell at this point so I had to resort to bother people with my questions here.

What a person can generally expect chosing between Extreme4, K6 and Taichi, in terms of 4 abovementioned points?

Also this post from the nearby thread got me confused too.
Click to expand...
The VRM on boards above the Extreme 4 have increased MOSFET (Gate) drivers, otherwise they all have the same components and phases. Link: https://www.hardwareluxx.de/community/f12/lga-1151-mainboard-vrm-liste-1175784.html#z370

"A gate driver is a power amplifier that accepts a low-power input from a controller IC and produces a high-current drive input for the gate of a high-power transistor such as an IGBT or power MOSFET. Gate drivers can be provided either on-chip or as a discrete module." https://en.wikipedia.org/wiki/Gate_driver

All 3 boards Support up to DDR4 4333+(OC)* https://www.asrock.com/mb/ It's up to the IMC and Memory for overclocking, ASRock does well from what I have seen.:)
 
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Discussion starter · #208 ·
Knjaz136 said:
Also this post Isn't it the other way around, with 4 DIMMs putting more pressure on memory controller? Or is it that it's just easier to OC smaller amounts of memory on them or smth? I.e., do I need to look towards HX436C17PB3K4/32 or HX436C17PB3K2/32 for the upcoming 9900k with overclocking said CPU in mind (to the levels that NH-D15S will allow, no water) somewhere along the road?
I realize it's quite premature to mention that thing before any controlled testing is done, but that's the one I'm going for, and not 8700k/8086k. Still on a budget so trying to cut corners elsewhere, hence asking about IF there are mobo differences in terms of VRMs/VRM cooling/OC between those 3.

P.S. About VRM cooling - for a case with MasterCase H500 like airflow.
Click to expand...
From Raja@asus
http://www.xtremesystems.org/forums...ms/showthread.php?280224-Asus-Ivy-memory-treat&p=5082301&viewfull=1#post5082301

It is also the primary reason why you'd see higher 4-DIMM XMP QVLs on T-topo boards like the maximus x formula than with 2-DIMMs. As long as you aren't IMC limited.
 
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Discussion starter · #209 ·
Looking to be the same Intersil true 5+2 phases with larger heat sinks, dual m.2's!
The expected upgrade.
 

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Discussion starter · #211 ·
Martin778 said:
Not much of an upgrade if they still didn't put a temp sensor on the VRM's :D The Z370 Fatal1ty ITX doesn't have any, only a PCH sensor but the readings are very questionable.
Click to expand...
Second that!

At the current state, though VRM temps are great there's no way to tell the actual readings without a thermocouple.
The crude estimate would be PCH temps from heat induction via the conjoined VRM+PCH sink (I'd say give it a +-10C margin of error at the very least) :p
 
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Discussion starter · #215 ·
Well my guess is that you're using the Z370M-itx/ac than the Z370 Fatal1ty Gaming-ITX/ac.

I do recall that the Fatal1ty skipped the P1.80, P1.50 was a pulled release. To date, P3.20 hasn't been released. vCore auto phase is probably low usage/idle time phase management. It's probably a phase management mode that turns it's 3+1 count to 1+1 on low usage. You can probably leave it on the default values.
 
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#216 · (Edited)
Just updated, from 3.1 to 3.2 (taichi z370) and I can confirm there are a couple of extra power options I did not see before. time to find out what they do....
 

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#217 ·
Do any of the ASROCK Boards have push button start on the physical board?
 
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Discussion starter · #218 · (Edited)
On true ROG boards (Maximus) boards, it's listed in the Digi+ Power Control section for VRM switching frequency. So it's a nice addition rather than locked switching frequencies.

A post from The Stilt that might be worth noting.
https://forums.anandtech.com/thread...ds/default-vrm-switching-frequency-for-i7-6700k-and-z170.2487909/#post-38495695

tconroy135 said:
Do any of the ASROCK Boards have push button start on the physical board?
Click to expand...
Just the Fatal1ty Pro i7 and k6, likely the coming Phantom 6, 9, Taichi ultimate on Z390 if there aren't major changes with the market positioning of these respective nomenclatures.
 
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Discussion starter · #220 ·
LLC1 or LLC2 (P3.10 + only) are preferred.

Are you hitting the 200W PL1/PL2 cap?
 
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