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post #1 of (permalink) Old 03-10-2019, 06:14 AM - Thread Starter
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Help configuring ASRock Z390 with G.SKill DDR4 4266

Hi everyone,

I have an ASRock Taichi Ultimate along with the i9 9900k, running G.Skill DDR4 4266 RAM. The timings are:

tCL 19
tRCD 19
tRP 19
tRAS 39
tRFC 748
tRRD_L 11
tRRD_S 8
tFAW 52

The above numbers come from the DRAM XMP Profile in BIOS. This is the RAM: https://www.newegg.com/Product/Produ...82E16820232497

However, I cannot get the system to boot with any changes made in BIOS. I realize running at 4266 will be next to impossible. I can't even get this system to run at 4000. I need help here, as I'm not experienced with overclocking machines (I typically create Xeon workstations that run with the XMP profile of the RAM running at the max. for the processor like 2400 - never exceptional RAM like this!).

I can't even start to overclock my processor because this RAM issue is preventing any settings from BIOS to stick. HELP!!!!
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