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Z370 Extreme4 XMP bug |
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JXN8 
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Joined: 30 Dec 2017 Status: Offline Points: 2 |
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 Posted: 30 Dec 2017 at 10:26pm |
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sciboot
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Joined: 21 Dec 2017 Status: Offline Points: 3 |
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Posted: 30 Dec 2017 at 6:12pm |
I had to up my voltages to the recommended 1.1(1.096V in bios) 1.15(1.14V in bios) because I had my computer bsod after like 4 days uptime and at idle "PAGE_FAULT_IN_NONPAGED_AREA 0x00000050" The ASRock bios actually sets the voltages just a bit higher so I set them a bit lower and then its almost spot on. So those lower voltages may be slightly too low at least on my board which is a gen older Z270 Extreme4. After I set them up higher I then ran 4 passes with memtest86 and no errors within 5 hours of testing. Of course it was stable before but eventually showed signs on instability days later but hopefully its finally stable. I will update here if it crashes again.
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hansi12
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Joined: 11 Dec 2017 Status: Offline Points: 26 |
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Posted: 30 Dec 2017 at 4:48pm |
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Hmm i have been able to increase VCCSA to something like 1,32V to Support 3700Mhz RAM. But my VCCIO is at 1,15V.
I initially had Problems but it appears that VCCSA wasnt the cause. |
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JXN8
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Joined: 30 Dec 2017 Status: Offline Points: 2 |
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Posted: 30 Dec 2017 at 12:21pm |
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Thanks for the fix Flode - I was seeing the same thing on my new board with an 8600k (no overclocking yet) while using 2x8GB 3200MHz G-Skill F4-3200C16D-16GTZB. I was crashing after about two minutes on any 3D app running the 1.10 BIOS out of the box. 1.10V and 1.15V did not work for me but 1.02V and 1.07V did after I flashed it to 1.30. I just replaced my ASRock Extreme4 Z77 and it ran like a tank for the last 5 years. Fix it soon ASRock, I've been bragging on you for a while now!
Edited by JXN8 - 30 Dec 2017 at 12:22pm |
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WR07
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Joined: 27 Dec 2017 Status: Offline Points: 3 |
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Posted: 29 Dec 2017 at 8:14am |
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Just wanted to chime back in 2 days after discovering this fix to say the problem has not reoccurred since applying the changes Flode sugguested. I have run MemTest86+ and Prime95 for hours to help confirm.
I've been playing around with the settings since then and have actually been able to overclock my 8700k to 5.0GHz comfortably at 1.35V with idle temperatures hovering between 27-35C. I can go over the settings if there's any interest? It's crazy to think that just 2 days ago I was struggling just to keep this PC from freezing every 15 minutes. Anyway, thanks again to Flode -- because of you I am now able to fully enjoy my first PC build.  Edited by WR07 - 29 Dec 2017 at 8:15am |
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Gaara
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Joined: 29 Dec 2017 Status: Offline Points: 1 |
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Posted: 29 Dec 2017 at 6:31am |
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Adjusting VCCIO and VCCSA voltages also seems to have worked for my recently built 8700K system. Still need to run a more thorough test to be sure, but no problems for about an hour now. Before, Windows would freeze up within 5 minutes of boot when using the XMP profile. Worked fine at Auto setting with much lower speed and higher timings.
Unfortunately, I was not aware of this solution 3 weeks ago and spent a lot of time and stress troubleshooting/sending in the G.Skill RAM (Model F4-3200C14D-16GTZKW, which has the Extreme4 listed on the G.Skill QVL) for RMA only for the replacement sticks to behave exactly the same with this mobo. First ASRock product I've ever owned and I already regret it. |
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WR07
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Joined: 27 Dec 2017 Status: Offline Points: 3 |
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Posted: 27 Dec 2017 at 7:15am |
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Just registered this account to say the Flode solution worked for me.
I had been pulling my hair out trying to get my setup to work at 3200MHz but kept getting hit with complete freeze-ups at seemingly random times. Thanks to Flodes solution not only have I been able to run my ram at 3200MHz but I'm also able to maintain a 4.5GHz overclock on the CPU as well -- something I hadn't been able to do before. Just to reiterate -- my problem was fixed by entering the BIOS and selecting XMP Profile 1 for 3200MHz, then I went to advanced settings and manually edited the voltage settings of VCCIO to 1.1V and VCCSA to 1.15V. For reference, my build is as follows: -CPU: Intel i7-8700k -Memory: G.SKILL TridentZ RGB Series 16GB (2 x 8GB) DDR4 3200 (PC4 25600), Model F4-3200C14D-16GTZR -Motherboard: ASRock Z370 Extreme4 (obviously) -Storage: Samsung 850 Evo - 500gb -GFx Card: EVGA GTX 1080 SC -PSU: EVGA G2 850W I'll be running some more stress tests on the setup but it seems to be holding quite well. I cannot thank Flode and this community enough. I'll make sure to report back here if I run into any problems. (knock on wood)
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hansi12
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Joined: 11 Dec 2017 Status: Offline Points: 26 |
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Posted: 25 Dec 2017 at 6:57am |
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Things first, 3000Mhz memory is OC and not guaranteed to work out of the box.
1 stick of memory has to go in slot A2 i believe. Do load the XMP profile, but manually refine it. Start with a safe setting that is stable and work your way up. Lowering the mem clock may help. It may also be possible to lower timings to counter the negative effect. Or do vice versa, raise them. Raise voltages of VCCSA or VDIMM Lower the CPU clock or cache clock may help. Im sure 3000mhz memory is easy to achieve, even on an "entry" board like this. Make sure you run prime95 and memtest a bit to make sure your system is stable. These tests are good. |
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stax
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Joined: 24 Dec 2017 Status: Offline Points: 2 |
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Posted: 24 Dec 2017 at 1:58pm |
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Hi everyone, I am using Mainboard ASROCK Z370 Pro4 updated to latest BIOS 1.5 with Intel I3-8100
I have this RAM VENGEANCE® RGB DDR4 DRAM 3000 MHz C15 (1x8GB) The XMP profile auto setting makes my PUBG PC 1.0 games always crash. ArcheAge also crashes. Even Dota 2 crashes too every 5-10 mins with FPS 200+ I have tried to set VCCIO to 1.1V and VCCSA to 1.15 but it no works. I've also tried ASRock_TSD's advice here but no work also. http://forum.asrock.com/forum_posts.asp?TID=6684&title=z370-extreme4-xmp-issues-other-mobo-issues However, the game runs perfectly at default SPD Speed with auto setting at 2133 MHZ. I don't know much about these overclocking stuff. Maybe you guys can help. Please help me how to do the setting to run my RAM at 3000 MHZ. Thank you. Edited by stax - 26 Dec 2017 at 12:32pm |
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sciboot
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Joined: 21 Dec 2017 Status: Offline Points: 3 |
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Posted: 21 Dec 2017 at 6:49pm |
My system specs: Intel Core i7 7700K @ stock ASRock z270 Extreme4 bios P2.30 G.SKILL Ripjaws V Series 32GB F4-3200C16D-32GVK (16GBx2) I dropped mine to 1.02V and 1.07V(same as yours but i took out a 1 and added a 0) and it seems to have stabilized XMP 3200 like the rest of you have reported. It would freeze within 20 seconds of me starting a game but that no longer happens so it must be fixed. Also should I increase my voltage or since its working fine should I just leave it alone? Its actually hard to even get the board to boot to even check out what the bios set them to when XMP was enabled so I just kind of set it to that to see what it would do. Also thank you flode!
Edited by sciboot - 26 Dec 2017 at 7:27pm |
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JXN8 wrote: