x470 downgrade BIOS above 3.100
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=11610
Printed Date: 18 Jun 2024 at 9:14pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: x470 downgrade BIOS above 3.100
Posted By: paologab
Subject: x470 downgrade BIOS above 3.100
Date Posted: 05 Jun 2019 at 4:32pm
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Hi now that we've thrown the eart beyond the obstacle, can we (or is it safe to try to) downgrade between the new bioses 3.43, 3.40, 3.20, 3.10? ------------- AMD Ryzen 7 2700X w/Wraith prism x470 Taichi bios 3.50 16gb HX432C16PB3K2/16 (hynix H5AN8G8NCJR-UHC) M.2 970 EVO, SATA SSD, 2 SATA HDD AMD Radeon RX 580 8G OC Linux Kernel 5.4 Manjaro Stable XFCE |
Replies:
Posted By: xhue
Date Posted: 05 Jun 2019 at 5:31pm
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I think you'd be OK if you use AMI tools launched from EFI shell. There are nice threads describing the whole procedure. |
Posted By: paologab
Date Posted: 05 Jun 2019 at 5:43pm
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I don't need it, but it worth know how, thanks ------------- AMD Ryzen 7 2700X w/Wraith prism x470 Taichi bios 3.50 16gb HX432C16PB3K2/16 (hynix H5AN8G8NCJR-UHC) M.2 970 EVO, SATA SSD, 2 SATA HDD AMD Radeon RX 580 8G OC Linux Kernel 5.4 Manjaro Stable XFCE |
Posted By: J Z
Date Posted: 05 Jun 2019 at 8:45pm
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No problem, just run the update on Windows. The BIOS update for it is eg with me. https://www.jzelectronic.de/jz2/forum.php?act=38235 ------------- Kind Regards, JZ https://shop.JZelectronic.de - Der Shop mit ausgesuchter ASRock Profi Hardware https://www.facebook.com/asrock.de |
Posted By: neilxxx
Date Posted: 08 Jun 2019 at 12:59am
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Hey Jz, i've tried the Bios downgrade a couple of times using the Windows 2.0 and all seems ok, but when i reboot, still on 3.43. I get the impression some of the posters on your forum had the same issue. Definitely lost some performance going to 3.43, have only done cinebench r20 tests, but have gone from 4240 multi 451 single to 4118 , 444 . Have tried PBO scaler, the relax setting etc. Pbo scalar only seems to drop the score the higher i go ! Previously i ran an offset off -1, now it wont boot with display unless i power off. Seem to get it to boot at -.8750 but other issues with memory. Have 16gb Samsung Bdie CL16 and could run CL14 before with 1.4 voltage, but now getting full hard resets doing the cinebench r20 single core test, no blue screen etc. Something not well in the world ! I realise your not a Asrock support person, but any ideas ? x470 taichi, 16gig teamgroup dark cl16 3200 ram ( bdie ) 2700x under EKWB phoenix kit. 
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Posted By: AsRx470Tc
Date Posted: 23 Jul 2019 at 5:14am
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I have just (~5-6hrs ago) reversed my X470 Taichi bios from 3.46 beta to 3.43 succesfully using instructions from this page: https://www.overclock.net/forum/11-amd-motherboards/1640394-ryzen-bios-mods-how-update-bios-correctly.html Scroll to the "How to flash a official bios + mod bios" part, just stop at row number 7. After that just hit CTRL+ALT+DEL (if everything on screen says OK/Done). All you need is the bios file, as it is. No file type extension (.cap .rom etc) needs to be added, the "X470TC_3.43" name format works. Takes about 5 minutes once you figure it out. |
Posted By: paologab
Date Posted: 23 Jul 2019 at 6:00pm
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Hi AsRx470Tc why did you reverted back to 3.43? thanks ------------- AMD Ryzen 7 2700X w/Wraith prism x470 Taichi bios 3.50 16gb HX432C16PB3K2/16 (hynix H5AN8G8NCJR-UHC) M.2 970 EVO, SATA SSD, 2 SATA HDD AMD Radeon RX 580 8G OC Linux Kernel 5.4 Manjaro Stable XFCE |
Posted By: AsRx470Tc
Date Posted: 23 Jul 2019 at 9:53pm
Was having some strange windows install corrupting and other stupid things the board was doing on 3.46. I had no issues with my memory kits on 3.40 & 3.43 so decided to go back. |
paologab wrote:Posted By: incronycous
Date Posted: 10 Apr 2023 at 1:36pm
| friend, what was the file that was used on the flash disk in step 2? |