Questions about GIGABYTE products > X99 Motherboards

Can't boot even on a tiny overclock on X99P-SLI and i7-8520K set in BIOS

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romandesign:
I tested the CPU overclocking within Windows in "Gigabyte Intel Extreme Tuning Utility" - it easily runs on x36 with default voltage and x40 with 1.15V - just the two settings I tried. However if I'm changing core frequency in BIOS even to x35 without touching anything else - I get the "failed boot" message, suggesting to reset to "optimized defaults" or enter BIOS. Same if I also increase VCore voltage - I tried up to 1.3V. It doesn't make any sense, I know overclocking is working fine with this CPU, at least up to x40 on 1.15V, but I can't set it up in BIOS even with x35. As soon as I set on default x34 - it boots fine.

Everything is on defaults and auto settings, except boot setting set to my SSD. BIOS is updated to version 20 (latest at 1 week ago). I have a very large CPU cooler, and I'm not trying anything extreme. What's happening?

Does anyone know what could be the problem? Thanks.

risey:
I had a similar problem but OC the memory using XMP1, kept rebooting until I got the bios error. I have OC the CPU but used the APP center, that works fine. I did contact support and was told to try the latest beta bios, F22I, that gave me a major error, windows 10 would start up, load up then bsod, had to go back to F21. So whatever they tell u, stay away from F22I...

vanhoud:

--- Quote from: romandesign on April 25, 2016, 08:42:55 pm ---I tested the CPU overclocking within Windows in "Gigabyte Intel Extreme Tuning Utility" - it easily runs on x36 with default voltage and x40 with 1.15V - just the two settings I tried. However if I'm changing core frequency in BIOS even to x35 without touching anything else - I get the "failed boot" message, suggesting to reset to "optimized defaults" or enter BIOS. Same if I also increase VCore voltage - I tried up to 1.3V. It doesn't make any sense, I know overclocking is working fine with this CPU, at least up to x40 on 1.15V, but I can't set it up in BIOS even with x35. As soon as I set on default x34 - it boots fine.

Everything is on defaults and auto settings, except boot setting set to my SSD. BIOS is updated to version 20 (latest at 1 week ago). I have a very large CPU cooler, and I'm not trying anything extreme. What's happening?

Does anyone know what could be the problem? Thanks.

--- End quote ---


Did you get it to overclock? Did you switch the CPU mode on the motherboard to "OC"?

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