X370 Taichi new bios bitlocker delayed boot
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=13243
Printed Date: 06 Aug 2025 at 7:11pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: X370 Taichi new bios bitlocker delayed boot
Posted By: danielocdh
Subject: X370 Taichi new bios bitlocker delayed boot
Date Posted: 24 Dec 2019 at 5:25am
So I made the mistake of installing the bios 5.60 which can't be downgraded, I also can't risk upgrading because my CPU is Summit Ridge.
This bios is causing bitlocker (on my m.2 slot) to be delayed by about 9 seconds: the bios screen disappears, then a black screen comes for 9 seconds, then I can type my bitlocker pin(when set) and then the boot process begins.
This really sucks specially because those 9 seconds are around the same time or even more than my windows boot time.
I know I most likely "broke" my system now but anyone has any suggestion of something I can try? Thanks
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Replies:
Posted By: cx5
Date Posted: 24 Dec 2019 at 11:37am
Hi, I'm also still on summit ridge 1700x, and used bios 5.67 very good, 5.8 and 5.99 beta all bootable.
Bit locker slow or not I don't know, you can try.
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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
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Posted By: danielocdh
Date Posted: 30 Dec 2019 at 4:17pm
So I made a full disk backup and reformatted, it seems that it was the solution.
Although the bios has small regressions on small annoyances/details it seems to be stable. If you are on 5.10 my recommendation would be to just stay with that, it's better.
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Posted By: Ray62
Date Posted: 30 Dec 2019 at 10:42pm
You can downgrade to 5.1 with a windows flash tool:
https://www.jzelectronic.de/jz2/jzam4/X370TaichiP5.10WIN.zip
There is a thread (german and english posts):
https://www.jzelectronic.de/jz2/index.php
Goto Asrock Mainboards, X370 Taichi BIOS
if the link here does not work:
https://www.jzelectronic.de/jz2/index.php?lid=dGlkPSZ0aGVtYV9pZD0mYWN0PTM4MzY0
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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
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