gasolin Posted August 25, 2017 Share Posted August 25, 2017 I have 2x 8gb CMK16GX4M2B3200C16 v5.39 and a asus prime x370 pro mb Why can't i run them at 3200mhz? I know asus have to make a bios so they would run at 3200mhz but they are on the amd list am4 memory support list. https://www.amd.com/system/files/2017-06/am4-motherboard-memory-support-list-en_0.pdf Link to comment Share on other sites More sharing options...
sf_alpha Posted September 2, 2017 Share Posted September 2, 2017 Try this timing and voltages. Make sure you have latest BIOS which have AGESA 1.0.0.6 Select XMP Profile 1 and adjust some timing and DDR voltage manually. (For my BIOS, Only tRC and DRAM Voltage need to adjust, other left Auto follow XMP Profile) DDR Clock 3200MHz DRAM VDD 1.380v (or try 1.385-1.400V if not stable) CAS# latency (CL) 16.0 RAS# to CAS# delay (tRCD) 18 RAS# Precharge (tRP) 18 Cycle Time (tRAS) 36 Bank Cycle Time (tRC) 72 Command Rate (CR) 1T (Or 2T if not stable) On my system this timing running stable on Ryzen 5 1600x for a while now. Link to comment Share on other sites More sharing options...
gasolin Posted September 2, 2017 Author Share Posted September 2, 2017 Desided to buy amd ram since i tried for a week and read atlæest 30 pages in asus Pr9ime X370 PRO thread, never ever corsair ram again Link to comment Share on other sites More sharing options...
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