B650E Taichi Lite WD SN850X Boot & Sleep Issue
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=27039
Printed Date: 25 Jul 2025 at 9:59pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: B650E Taichi Lite WD SN850X Boot & Sleep Issue
Posted By: sapander45
Subject: B650E Taichi Lite WD SN850X Boot & Sleep Issue
Date Posted: 30 Nov 2023 at 10:20pm
- With BIOS versions 2.02 and 2.00, experienced the following issues on an ASRock motherboard:
- Cold Boot: System boots into UEFI BIOS screen, displaying an A6 error on the Dr. Debug screen.
- On Save & Restart: Successfully boots into Windows.
- On Sleep: Sleeps and the when resume from sleep, shows windows login screen briefly then a Blue Screen of Death (BSOD), with no dump file created.
Specs:
- B650E Taichi Lite
- WD_BLACK 4TB SN850X NVMe
- 64GB DDR5-6000 G.SKILL
- ASUS TUF RTX 3090 OC
Troubleshooting Steps Undertaken:
- BIOS and System Adjustments:
- Disabled Fast Boot in BIOS.
- Enabled CSM (Compatibility Support Module).
- Reset BIOS to default settings, which also disabled AMD EXPO.
- Hardware and Firmware Updates:
- Updated SN850X firmware to the latest version.
Resolution:
- Downgraded BIOS to version 1.30.AS02 [Beta].
- This downgrade resolved both the A6 error on cold boot and the BSOD issue after sleep.
- Is there a known compatibility issue with the newer BIOS versions (2.02, 2.00) that could be causing these problems?
- Any insight or updates regarding this would be appreciated, as it seems the issue is specific to the newer BIOS versions.
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Replies:
Posted By: EricV
Date Posted: 09 Dec 2023 at 7:18pm
I confirm I have no such error with initial 1.26 BIOS. The only problem I have is that when booting on system with EFI partition on one disk and the system (be it windows or Linux) on another partition, sometimes I get stuck to first stage boot prompt because the disk with the system has not been found. If having EFI parition and system on same disk I did not encounter that up to know.
And system to am is working on Linux.
I would love to get a 2.X BIOS but I'm not sure it is that stable ATM.
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-- eric
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