Guide how to overclock DDR5. Instruction for Hynix M-die by using i9 13900k and msi z690 a-pro. RAM DDR5 Patriot Venom 6200 MHz cl40 on Hynix M-die chips. This guide is also good for other motherboards like Asus , AsRock or gigabyte and for z690, z790 chipset.
Watch till the end to make sure u didnt mis anything important.
PC overclocking with Dakar.
#ddr5 #overclock #overclocking
A lil bit more useful information:
tCL 30/32, tCWL 28 or 30 depending on tCL (-2)
tRCD is not less than 37 at 6400, it will be stable 38-39
tRAS = tRCD + tRTP (because tRTP is set to 12, then at 38 + 12 = 50)
tRFC around 328-368
tRFCpb about 200-240 (does not affect fps)
tREFI 65535 (the above makes no sense)
twr 48
tWR_MR 48
tRTP and tRTP_MR 12
tRRD_L 12 (someone puts 8, but doesn't give fps)
tRRD_S 8 (lower and higher does not make sense)
tWTR_L and tWTR_S are set via WRRD_sg and dg (under 24 and 12, someone does under 22/10, someone under 22/12)
tFAW=32
tCKE = 8/10/12, at 8 there are often drawdowns, at 10 it reacts normally, 12 if the frequency is very high
tXP by analogy with tCKE, 8/10/12, but 10 is almost always stable
RDRD_sg below 12 is not allowed, mostly 12-14, if Hynix A-die, then 16-18
WRWR_sg = RDRD_sg * 2, i.e. at 12 = 24, at 14 = 28
RDRD_dg WRWR_dg = always 8
RDWR_sg/dg = at least 18, but doesn't often boot at 18 and 20 at 6400, so set it to 22
RDRD_dg and WRW
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