Issues with Aorus Master 9900K Vcore leading to shutdowns
Issues with Aorus Master 9900K Vcore leading to shutdowns
Hi guys,
new rig build using an Aorus Master Z390 and an i9 9900K is working fine. However, after attempting an all-core 5GHz overclock, I noticed voltages consistently reaching around 1.43. I aimed for a slightly lower value, like 1.35.
I adjusted the Vcore settings, but no matter what I changed, it kept showing nearly 1.5V. It seemed the adjustment had no effect.
Found a guide suggesting extreme settings: set the "CPU vcore loadline calibration" to maximum, Vcore at 1.32, and internal loadline calibration for power saving. This reduced the average voltage to about 1.32 during full load. But every time I power on the PC, it would randomly shut down 2-3 times before staying on.
Additionally, I have two 8-pin power plugs for the CPU, but only one is currently in use. Should I use the other one? I have a capable PSU and a suitable cable. Anyone has any insights or better solutions to this issue?
Unless you use LN2 or liquid cooling, keep your motherboard's VRMs away from high and extreme LLC modes. You risk damaging the CPU if it's already running at high vcore levels! Stick to medium limits.
Power saving and overclocking don't work well together. The CPU isn't receiving enough voltage now.
I don't understand why you didn't plug both 8-pin CPU power connectors in before starting overclocking?
For the 9900K with overclocking, I would use the second CPU power cable. Also, Gigabyte handles things differently, so I’d consider a 'Turbo' LLC for a 5GHz overclock. Check some forums for guidance. I have the Gigabyte Z370 Gaming 7 motherboard, but I can’t really assist since it took me time to master the BIOS and everything worked fine once set up. I’d also look into an adaptive Vcore... This owners thread might be useful...