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UEFI4.72 XMP works for CMK32GX4M2B3000C15

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=9255
Printed Date: 20 Jul 2025 at 2:40am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: UEFI4.72 XMP works for CMK32GX4M2B3000C15
Posted By: cx5
Subject: UEFI4.72 XMP works for CMK32GX4M2B3000C15
Date Posted: 28 Jul 2018 at 1:35am
Congratulations to ASRock BIOS UEFI team !!!

XMP works immediately for CMK32GX4M2B3000C15 spot on 3000Mhz, no more down clock to 2933, hooray !!!

(Taichi X370) UEFI 4.72 very smart now, self aware :) :) :) self adjust some values to avoid problem hence different from original XMP slightly.

But dram voltage offset from 1.35v to 1.368v, had to change uefi 1.335v and get 1.352v at A-tuning. 





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x370taichi@3.50gen4
AX750 Optane900P SN770
3800x PosdonZro4 BarrowPWM-17w>420x140x28
XFX SWFT319 6900XT
MSI RX560 LP to get Fluid Motion BlueskyFRC 75hz



Replies:
Posted By: cx5
Date Posted: 28 Jul 2018 at 1:54am
1usmus calculator version 1.3 works 100% 




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x370taichi@3.50gen4
AX750 Optane900P SN770
3800x PosdonZro4 BarrowPWM-17w>420x140x28
XFX SWFT319 6900XT
MSI RX560 LP to get Fluid Motion BlueskyFRC 75hz


Posted By: cx5
Date Posted: 28 Jul 2018 at 2:37am
3200mhz achieve within 40 minutes, this uefi 4.72 really good self training

1usmus calculator 1.3 timing used much.

1st post failed beep, internal training, self restart.
2nd post failed beep, internal training, self restart.
3rd post ok, windows BSOD, self restart.
4th windows BSOD, self restart.
5th increase voltages slightly better. Up procodt, clkbus, etc.
6th increase voltages slightly better. Windows login deep later than BSOD, self restart.
7th increase voltages slightly better. Some software partial works, can manual shutdown PC.
8th writing now at below screen shot voltages.

Did all 8 steps in 40 mins. Didn't need to use the clear CMOS button. It kept self restarted when trouble and allows convenient entry to uefi to change settings. Very good bios uefi. 




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x370taichi@3.50gen4
AX750 Optane900P SN770
3800x PosdonZro4 BarrowPWM-17w>420x140x28
XFX SWFT319 6900XT
MSI RX560 LP to get Fluid Motion BlueskyFRC 75hz


Posted By: wino
Date Posted: 28 Jul 2018 at 4:33am
Clap Thanks for the report. Good to hear that not only bricked board or bootloop are the only BIOS upgrade benefits ;)

I am waiting for the new BIOS for my build. Not only you are happy with the new AGESA for Ryzen 1xxx. Some people on OC.net are also satisfied. Beer


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AB350 Gaming-ITX/ac 10.31 BIOS| Ryzen 5 5600| G.Skill Flare X 2x8GB @ 3466 14-14-14-28| Zotac RTX 5060 SOLO| Kingston KC3000 1 TB M.2| SilentiumPC Supremo M2 Gold 550W V2| Plywood case 24x22x21 cm



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