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Asus ROG Strix Z390 E-Gaming I7-9700K G.Skill TridentZ 3200Mhz issue

Wnuku
Level 7

‎02-03-2019 05:41 AM - last edited on ‎03-06-2024 08:22 PM by Community Admin

Dear Community,
I've tried many different BIOS settings (voltages and everything else), and still can't run G.Skill memory at 3200Mhz.
Now i can only run it on stable 3000Mhz - AI TWeaker - manual 14-14-14-34 CR 2N (DRAM Voltage 1.35, VCCIO 1.15, VCCSA 1.15, V.Core Auto 1.25).
Checked memory on another platform and it works perfectly just after using XMP II profile at BIOS (MSI Z170 Gaming M5, i7-6700K).
After using switch MemOK! on Asus mobo memory runs at 3100MHz but is non stable, and in bios there are very high voltages (VCCIO, VCCSA and DRAM Voltage).
Also checked another memory (Corsair Vengeance RGB CMU16GX4M2C3200C16R) and it works at 3200Mhz but only in slot B1 A1. In B2 A2 (which are prefered in Asus manual) it doesn't work.
G.Skill doesn't work regardless of the slots at 3200Mhz.
Every settings where made after clearing CMOS.
Socket pins - checked.
Checked every BIOS: 602, 702, 802 - same effects.

Any suggestions are welcome.
Could this be the fault of the processor or the motherboard?

Specification:
Asus ROG STRIX Z390 E-Gaming
Intel i7-9700K
Corsair H150i
G.Skill TridentZ RGB 32GB (2x16GB) 3200Mhz F4-3200C14D-32GTZR
Corsair HX1200i
Gigabyte Geforce RTX 2080 Gaming OC

[EDIT] G.Skill mounted on ASUS Z390 E-Gaming
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[EDIT] Standard setting after clearing CMOS
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[EDIT] After using MemOK!
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[EDIT] Stable 3000Mhz Asus + G.Skill
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[EDIT] Stable 3000Mhz Asus + G.Skill - Aida
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[EDIT] Asus + Corsair Vengeance stable 3200Mhz on B1 A1 slot after using XMP II profile
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[EDIT] G.Skill mounted on MSI Z170 Gaming M5 with i7-6700K
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[EDIT] G.Skill mounted on MSI Z170 Gaming M5 with i7-6700K - works perfectly at 3200Mhz after using XMP profile
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stalkers1
Level 7

‎04-01-2019 03:38 AM

I confirm this problem. I have a motherboard ASUS ROG STRIX Z390-E GAMING. Core i9-9900K processor. Memory G.SKILL F4-3200C14D-32GTZ. I updated the BIOS to version 0905. I reset the BIOS to factory settings. Then included only XMP profile. I tried many different BIOS settings (voltages and everything else), and so far G.SKILL memory cannot work on the 3200 MHz XMP profile. G.SKILL does not work regardless of the slots on the 3200 MHz XMP profile. Tested on every BIOS version: 0602, 0702, 0805, 0903 - the same effects.
The memory turned out to run only at 3100 MHz with MemOK turned off.
At a frequency of 3100 MHz passes the Memtest86 test without errors. When MemOK is on, memory starts only at 3000 MHz. I checked this memory on a different platform (ASUS PRIME Z370-A), and it works fine on a standard 3200 MHz XMP profile 14-14-14-34, 1.35V.
I assume that there is some incompatibility of the ASUS ROG STRIX Z390-E GAMING motherboard with G.SKILL F4-3200C14D-32GTZ memory. The memory is absolutely good. I checked this memory on the ASUS PRIME Z370-A board. The memory runs without errors on the XMP profile at 3200 MHz. Please make an update for the BIOS, which will be added fixes for compatibility and stability of the memory G.SKILL F4-3200C14D-32GTZ on the XMP profile at 3200 MHz.
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stalkers1
Level 7
In response to stalkers1

‎04-24-2019 09:57 AM

I managed to run the memory at 3200 MHz. Memtest86 tests without errors. Here is the sequence of actions:
1. Turn off MemOK on the motherboard
2. It is necessary to change in BIOS:
AI Overclock Tuner: Manual
ASUS Multicore Enhancement: Disabled
DRAM Frequency: 3200 MHz
DRAM Timing Control:
*DRAM CAS # Latency: 14
*DRAM RAS # to CAS # Delay: 14
*DRAM RAS # ACT Time: 34
*DRAM Voltage: 1.37500
CPU VCCIO Voltage: 1.15000
CPU System Agent Voltage: 1.15000
IA AC Load Line: 0.01
IA DC Load Line: 0.01
Save settings. The memory will operate at 3200 MHz. After that, if you reset the BIOS default settings (Load Optimized Defaults) and enable the XMP profile, everything will work.
Until the next memory overclocking. For example, if you set the memory frequency to 3300 MHz, the system will not start again. And if you return the frequency to 3200 MHz, the system also does not start.
In this case, you need to re-change the above settings in the BIOS.
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