downgrade bios version

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   There is a way for a downgrade of the bios with the Asrock windows flash tool.
Watch this video (it is for another AM4 board, but just for understanding the procedure it doesn't matter):
https://www.youtube.com/watch?v=ybj3XkteX9k&feature=youtu.be

Without guarantee:
The flash tool can update/downgrade several boards and must be configured
- with changes in the ini file for your board and current bios version
- and with the bios image you want to downgrade

Folder structure:

\AfuWin
\ROM
\ROM\ASRock.ROM <- must be replaced with the destination bios image
ASROM.exe
ASROM.ini

Ini File:

[ROM]
Path=ROM
File=ASRock.ROM

[B450 Gaming K4]
BiosVersion=P3.50

The tool, here for X470_Gaming K4:
http://asrock.pc.cdn.bitgravity.com/BIOS/AM4/X470%20Gaming%20K4(1.90)WIN.zip

Do you dare to proceed this way?

If not, contact Asrock support or the user JZ (or _JZ) or here https://www.jzelectronic.de/jz2/index.php

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Ray62 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 01 Jul 2018 Location: Germany, Berlin Status: Offline Points: 706	Post Options Post Reply Quote Ray62 Report Post Thanks(0) Quote Reply Posted: 15 Oct 2019 at 6:10am
	There is a way for a downgrade of the bios with the Asrock windows flash tool. Watch this video (it is for another AM4 board, but just for understanding the procedure it doesn't matter): https://www.youtube.com/watch?v=ybj3XkteX9k&feature=youtu.be Without guarantee: The flash tool can update/downgrade several boards and must be configured - with changes in the ini file for your board and current bios version - and with the bios image you want to downgrade Folder structure: \AfuWin \ROM \ROM\ASRock.ROM <- must be replaced with the destination bios image ASROM.exe ASROM.ini Ini File: [ROM] Path=ROM File=ASRock.ROM [B450 Gaming K4] BiosVersion=P3.50 The tool, here for X470_Gaming K4: http://asrock.pc.cdn.bitgravity.com/BIOS/AM4/X470%20Gaming%20K4(1.90)WIN.zip Do you dare to proceed this way? If not, contact Asrock support or the user JZ (or _JZ) or here https://www.jzelectronic.de/jz2/index.php
	Asrock Fatal1ty X370 Professional Gaming Offline Under test: MSI X570_MEG_ACE \| AMD Ryzen 9 3900X \| Scythe Mugen5 \| 2x16GB F4-3200C14D-32GTZ@3466 \| ASUS GeForce GTX 1080 Ti FE

Ray62 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 01 Jul 2018 Location: Germany, Berlin Status: Offline Points: 706	Post Options Post Reply Quote Ray62 Report Post Thanks(0) Quote Reply Posted: 15 Oct 2019 at 6:03am
	Which bios version did the board use before? What CPU and RAM are you using? Which problems do you have now? For a Zen or Zen+ CPU Version 1.80 (AMD AGESA AM_Pi_1.0.0.6.) should be the finest. Downgrade is possible, but not with the standard way...
	Asrock Fatal1ty X370 Professional Gaming Offline Under test: MSI X570_MEG_ACE \| AMD Ryzen 9 3900X \| Scythe Mugen5 \| 2x16GB F4-3200C14D-32GTZ@3466 \| ASUS GeForce GTX 1080 Ti FE

lazosv9 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 Oct 2019 Location: greece Status: Offline Points: 9	Post Options Post Reply Quote lazosv9 Report Post Thanks(0) Quote Reply Posted: 15 Oct 2019 at 3:54am
	hello.When I bought the motherboard(asrock fatality b450 gaming k4) i had problems with the memory at 3200mhz.so i update bios version directly to p3.50. I think my problem is that i didn't upgrade to p1.80 first and the to p3.50.So now im on p3.50 bios version.Τhere is some way to downgrade in p1.80???