Updated: ASRock Z370 Z390 user discussion thread + Review: ASRock Z390 Phantom Gaming-ITX/ac - Page 42 - Overclock.net - An Overclocking Community

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

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post #411 of 547 (permalink) Old 02-18-2019, 06:05 PM
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Quote: Originally Posted by amd7674 View Post
Hi Guys,

I'm a happy Z370 Taichi owner with 8700k @ 5Ghz. I'm currently using 3.20 bios running windows 10 1809 build without any issues.

Do you guys recommend to upgrade my BIOS to 3.40? It is a little hassle to do it as I have to redo all my settings. Is it worth it for security? Will the 3.40 casue performance/overclock issues due to updated Intel ME updates? any issues with 3.40?

Any help / feedback would be much appreciated. Thanks in advance :-)

3.40 (2018/12/25)
Update Intel Microcode

3.30 (2018/10/30)
1. Update Intel ME 11.8.55.3510
2. Update vBIOS and GOP
3. Update Intel RAID driver
The general rule of thumb is to NOT upgrade your BIOS unless you have a specific and compelling reason to as a finely tuned system might not be so finely tuned after a BIOS upgrade. If you have no problems now, then a BIOS upgrade is more likely to create problems than anything else.

Do you know what the 3.40 Intel Microcode update is for? If it's Spectre/Meltdown stuff, I probably wouldn't do it. I don't run other people's unknown/untrusted code on my CPU that I'm worried about it stealing things from other processes on the same CPU. That's what Specture/Meltdown do. Those vulnerabilities matter a lot for multi-tenant hosting companies, not for us individuals not using VMs.

Unless you have a specific issue that you think one of the three things in 3.30 would help with, I wouldn't upgrade for those either.

i[email protected] (-1 AVX offset) on ASRock Z390 Taichi with Noctua NH-D15 air cooler
CPU offset voltage of -25mv, runs VRVout 1.240-1.313V on full AVX load, 1.225-1.275V on non-AVX load
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post #412 of 547 (permalink) Old 02-18-2019, 07:23 PM
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I'm running p3.40 bios on z370 taichi. Not sure why, but I'm unable to take bios screenshots (f12 key). I tried with 1 usb thumb drive, and 1 micro sdhc card in a usb reader. Both fat32 formatted. Other than that, everything else seems ok.

Before updating bios, I did back up a bios profile, but the new bios couldn't read it.

edit: reformat usb with rufus. able to take screenshots of bios

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Last edited by kignt; 03-19-2019 at 01:16 PM. Reason: update
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post #413 of 547 (permalink) Old 02-19-2019, 05:15 AM
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Thanks guys I will stay away
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post #414 of 547 (permalink) Old 02-21-2019, 07:08 AM
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So I have a 9900k and the ASRock phantom gaming it/ac z390 and I've been overclocking with this board for a couple of months. I updated hwinfo a couple of weeks ago to the latest version and they have a sensor called "VR VCC Temperature (SVID)." Supposedly this is the VRM temperature for the motherboard. Running stock CPU speeds and Prime95 small fft with avx I can get the VR VCC Temperature (SVID) temp to hit 110F. While overclocking, i can get it to thermally throttle at around 125F.

I have read a lot of reviews stating that the VRM is great on this motherboard, but I am running into problems with temps. I have not taken the VRM heatsink off to inspect if the thermal pads are making good contact, but I may do that if other people report that this temperature is out of the ordinary. I understand that Prime95 small fft with AVX is the worst case benchmark, but I have pretty good airflow in my case (a 120mm and 140mm in the top left corner right by the VRM).

Also, maybe this hwinfo sensor is not reliable or calibrated properly for my motherboard? Even if that is the case, I can still get it to thermal throttle when I have 1.33v at the highest LLC (the cpu drops to 3600mhz, but temps are still in check).
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post #415 of 547 (permalink) Old 02-21-2019, 09:30 AM
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Quote: Originally Posted by biggitybakes View Post
So I have a 9900k and the ASRock phantom gaming it/ac z390 and I've been overclocking with this board for a couple of months. I updated hwinfo a couple of weeks ago to the latest version and they have a sensor called "VR VCC Temperature (SVID)." Supposedly this is the VRM temperature for the motherboard. Running stock CPU speeds and Prime95 small fft with avx I can get the VR VCC Temperature (SVID) temp to hit 110F. While overclocking, i can get it to thermally throttle at around 125F.

I have read a lot of reviews stating that the VRM is great on this motherboard, but I am running into problems with temps. I have not taken the VRM heatsink off to inspect if the thermal pads are making good contact, but I may do that if other people report that this temperature is out of the ordinary. I understand that Prime95 small fft with AVX is the worst case benchmark, but I have pretty good airflow in my case (a 120mm and 140mm in the top left corner right by the VRM).

Also, maybe this hwinfo sensor is not reliable or calibrated properly for my motherboard? Even if that is the case, I can still get it to thermal throttle when I have 1.33v at the highest LLC (the cpu drops to 3600mhz, but temps are still in check).
The VRM is great in terms of power delivery being adequate for high overclocks. The cooling of the VRM seems to be another story, as you discovered.

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post #416 of 547 (permalink) Old 02-24-2019, 06:07 AM
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Quote: Originally Posted by mouacyk View Post
The VRM is great in terms of power delivery being adequate for high overclocks. The cooling of the VRM seems to be another story, as you discovered.
Ok, that makes sense, thanks for the reply. I may try and swap out thermal pads with something better and get a fan pointed at it. Would the fulipoly extreme pads make a big difference? Anyone know of any aftermarket VRM cooling solution that may work with this board (asrock phantom itx)?
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post #417 of 547 (permalink) Old 02-24-2019, 07:00 AM - Thread Starter
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If the thermal pads are inadequate in contact, replace them with Fujipoly Sarcon XR-m 1.5mm pads for better contact.



Impression from a bad cut I've made without considering the elongation factor.

Spoiler!


A better attempt
Spoiler!

Nano 1.1
(17 items)
Z370 Prep
(6 items)
Nano 1.0
(12 items)
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8700K 5300MHz
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ASRock Z390 Phantom Gaming-ITX/ac
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ASRock Z370 Fatal1ty Gaming-ITX/ac
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TridentZ 8GBx2 [email protected]
Hard Drive
970 EVO 2TB
Hard Drive
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AquaComputer
Cooling
HardwareLabs
Cooling
Bitspower
Cooling
EKWB
Case
Fractal Design Nano S
Operating System
Windows 10 Pro 64-Bit | Mint 18.3 | High Sierra 10.13.4
Monitor
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ThinkPad Compact USB Keyboard with TrackPoint
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ASUS Maximus X Hero
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HGST TravelStar
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CPU
7700K
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ASUS Maximus VIII Impact
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GTX 1070
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post #418 of 547 (permalink) Old 02-24-2019, 06:37 PM
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Quote: Originally Posted by encrypted11 View Post
If the thermal pads are inadequate in contact, replace them with Fujipoly Sarcon XR-m 1.5mm pads for better contact.



Impression from a bad cut I've made without considering the elongation factor.

Spoiler!


A better attempt
Spoiler!
niiiiice. I actually had some 1.0mm Arctic cooling with 6.0 W/mK rating. I put that on and am getting much better temps. I dropped about 15C on full load. The contact was fine with the oem stuff, it just must not transfer heat well. I would feel the heatsink before and was always dumbfounded because it wasn't hot at all. It is still not super hot, but its definitely warmer to the touch. I might get some better thermal pads later on. For now, these seem to do the job.

Also, after inspecting the pads that were on it, they looked like 1.0mm to me. Did you try 1.0mm first and found 1.5mm was better?

Thanks for your reply!

Last edited by biggitybakes; 02-24-2019 at 06:48 PM.
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post #419 of 547 (permalink) Old 02-24-2019, 10:12 PM - Thread Starter
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The stock pads are 1.0mm and the resulting contact is seen on the stock pads on the first pic.
I've not compared the difference with 1.0 vs. 1.5mm however.

Nano 1.1
(17 items)
Z370 Prep
(6 items)
Nano 1.0
(12 items)
CPU
8700K 5300MHz
Motherboard
ASRock Z390 Phantom Gaming-ITX/ac
Motherboard
ASRock Z370 Fatal1ty Gaming-ITX/ac
GPU
1080 Ti
RAM
TridentZ 8GBx2 [email protected]
Hard Drive
970 EVO 2TB
Hard Drive
970 PRO 1TB
Power Supply
EVGA 750W G3
Cooling
AquaComputer
Cooling
HardwareLabs
Cooling
Bitspower
Cooling
EKWB
Case
Fractal Design Nano S
Operating System
Windows 10 Pro 64-Bit | Mint 18.3 | High Sierra 10.13.4
Monitor
Dell Alienware AW3418DW
Keyboard
ThinkPad Compact USB Keyboard with TrackPoint
Mouse
TrackPoint/UltraNav
CPU
8700K 5300MHz
Motherboard
ASUS Maximus X Hero
GPU
UHD 630 (HDMI)
RAM
TridentZ (Black/White) C14
Hard Drive
HGST TravelStar
Cooling
Cryorig R1 Universal
CPU
7700K
Motherboard
ASUS Maximus VIII Impact
GPU
GTX 1070
RAM
G.SKILL Trident Z 16GB
Hard Drive
960 Pro 512GB
Power Supply
EVGA 550W P2
Cooling
AquaComputer
Cooling
HardwareLabs
Cooling
Bitspower
Cooling
EKWB
Case
Fractal Design Nano S
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post #420 of 547 (permalink) Old 03-07-2019, 06:39 PM
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I submitted a support ticket regarding the different LLC vdroop since bios version p1.80 or p3.10 compared to the latest p3.40 on the z370 Taichi. They replied via email:

Quote:
Asrock America Support Team -
I get a response from HQ as below.


Newer BIOS has slight adjust the load line calibration that will optimize the performance of the 9th generation CPU.

Thus there will be some changes applied to voltage when using 8th generation CPU with newer BIOS.


If the user would like to use previous Load-Line table, please suggest user re-flash BIOS to P3.10 to use.
Since p3.20 there is an setting to disable the obnoxious red LED beside the debug LED panel.

Darn heavy
(18 items)
CPU
i7-8700k
Motherboard
Asrock Taichi z370
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RAM
F4-3200C14D-32GTZ
Hard Drive
960 evo 500gb
Power Supply
Corsair CMPSU-1000HX
Cooling
Noctua NH-D14
Case
CM HAF-X
Operating System
Windows 10 64-bit Pro
Monitor
Asus MG279Q
Keyboard
NiZ Plum84 Pro
Mouse
Bloody SP80
Mousepad
Steelseries Qck Edge Large
Audio
Antlion Modmic 4.0?
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Micca MB42X
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