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11-15-2017 12:51 PM #1New ROGer Array
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ROG STRIX Z370-F GAMING - Unstable 8600k
Hey,
I recently got my new parts, ROG STRIX Z370-F GAMING, 8600k and 16gb Gskill Tridentz 3200mhz CL15 while maintaining everything else the same in my system (my PSU is a Corsair AX-760).
First thing I did was update the BIOS to the 430 version and set it to XMP, no OC done on the CPU, and formatted my pc.
But my system started freezing/crashing randomly only when I was browsing or doing something else that doesn't require much power. When gaming the pc never crashed.
I lost quite a few hours trying to figure out what was wrong and after a lot of tests I finally managed to conclude that in the power-saving states where vcore is lower the system gets quite unstable, and I'm now running my system with XMP set and I have disabled SVID support in BIOS and offset cpu voltage to +0.055 since when I leave it in Auto it automatically sets it too high (1.3v!) nothing else I've touched.
Thing is, this shouldn't really happen right? It should work and be stable enough with stock settings! Could this be a faulty CPU, mobo or BIOS?
Many thanks in advance.Last edited by Caenyss; 11-15-2017 at 12:53 PM.
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11-15-2017 01:00 PM #2Tech Marketing Manager HQ Array
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XMP is an overclock. See what happens without XMP - leave the memory running at defaults and see if the system still freezes.
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11-15-2017 01:10 PM #3New ROGer Array
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Oh sorry, I forgot to mention that I also tried, during my tests, to leave XMP off and everything else stock (default settings) but it still crashed 5 to 10 minutes after I started Windows. Hence why I went back to XMP since it didn't seem to have an effect. Memtest also ran for more than 2 hours without any crash or errors.
Originally Posted by Raja@ASUS
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11-15-2017 01:21 PM #4
Hello
Fully clear the BIOS, set MultiCore Enhancement to disabled and leave all other settings at default. Test if the system is still unstable.
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11-15-2017 07:56 PM #5New ROGer Array
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Hey, thank you for your input. Originally Posted by Praz
I've tried that but it still crashes. EDIT: Not the case anymore!
I've also noticed something, that may or may not be related to my problem, where DRAM Voltage is higher than it should even if I set it for less than 1.3530:
Last edited by Caenyss; 11-16-2017 at 12:16 PM.
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11-16-2017 12:15 PM #6New ROGer Array
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Some news: It seems my solution didn't work at all and I tried once again doing your suggestion Praz; I loaded defaults, rebooted, turned multicore enhancement off, rebooted and left my system running for 4 hours a video on mpc-hc which would usually crash within 10-25 minutes. It hasn't crashed so far, so I'm guessing XMP is really at fault here? Originally Posted by Praz
What can I try to make XMP work? At least I would like to achieve 3200mhz instead of the default of 2133 currently.
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11-17-2017 11:42 PM #7New ROGer Array
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Well, just to close this thread, it's been 2 stable days now so I'll assume I've finally found the solution to "my" problem. I left XMP turned off and set manually the frequency, timings and voltages, and it's been working great so far.
I found that my mobo, for some reason, sets these 4 voltages I posted on that picture, way too high, completely unnecessary and it actually brought me instability. They are now at VCCIO 1.0v, System Agent 1.05V, PHC Core voltage and standby voltage 1.0V and it has been working perfectly.
Quite a shame I've had to waste a lot of time around this.
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11-18-2017 07:18 AM #8Tech Marketing Manager HQ Array
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Those voltages are CPU dependant, and as the capabilities and requirements for each processor are different, they will sometimes need manual tuning. XMP is an overclocked configuration, so it's not surprising.
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11-18-2017 09:19 AM #9New ROGer Array
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xmp is an overclockable state .. but if the ram is certified and listed in asus your specific board ram list it shouldn't do problems
and if it did .. a bios update with better timings and voltage for the ram should be published
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11-18-2017 09:50 AM #10Tech Marketing Manager HQ Array
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Originally Posted by mustafa811
No, XMP is an overclock and will not work plug-and-play for every CPU because some require different voltage levels for stability. Some CPUs need more SA and IO voltages and others need less, there is no way for a UEFI update to have rules for all CPU types.
