F5F Stay Refreshed Hardware Desktop Various POST error codes exist before and after flashing the BIOS.

Various POST error codes exist before and after flashing the BIOS.

Various POST error codes exist before and after flashing the BIOS.

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thethunderthor
Member
65
03-14-2022, 05:49 AM
#1
CPU model: 5950X GPU: EVGA 3090 Ti FTW3 (retired division) RAM: CL16 3600 MHz G.Skill Trident V (16×2 GB) MOBO: ASUS ROG Crosshair VIII Impact (Mini-ITX with DIMM.2 riser card) SSD: 2×1TB M.2 - RAID 0 Before I updated the BIOS for the motherboard, I kept encountering error code 07 — a USB connection problem. Thinking my BIOS wasn’t recent enough after using a RAID 0 setup, I saved my files during the blue moon window when the system booted, then shut it down and flashed the BIOS (cleared CMOS first). After that, I noticed two more codes: 42 (RAM issue) and 97 (PCIe lane conflict between M.2 SSDs and GPU). Now I’m seeing a third — B2, tied to CSM boot and legacy boot support (probably because the RAID array got corrupted during a BIOS update). All these hiccups point back to the motherboard. I need to confirm I handled everything properly. Should I consider replacing the board?
T
thethunderthor
03-14-2022, 05:49 AM #1

CPU model: 5950X GPU: EVGA 3090 Ti FTW3 (retired division) RAM: CL16 3600 MHz G.Skill Trident V (16×2 GB) MOBO: ASUS ROG Crosshair VIII Impact (Mini-ITX with DIMM.2 riser card) SSD: 2×1TB M.2 - RAID 0 Before I updated the BIOS for the motherboard, I kept encountering error code 07 — a USB connection problem. Thinking my BIOS wasn’t recent enough after using a RAID 0 setup, I saved my files during the blue moon window when the system booted, then shut it down and flashed the BIOS (cleared CMOS first). After that, I noticed two more codes: 42 (RAM issue) and 97 (PCIe lane conflict between M.2 SSDs and GPU). Now I’m seeing a third — B2, tied to CSM boot and legacy boot support (probably because the RAID array got corrupted during a BIOS update). All these hiccups point back to the motherboard. I need to confirm I handled everything properly. Should I consider replacing the board?

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ShyCarrot
Member
83
03-17-2022, 01:23 AM
#2
Firmware RAID is enabled, software RAID isn't. In fact, software RAID tends to be the strongest option available, with solutions like ZFS. Now let's address the main concern. The POST codes you mentioned are typically late-stage boot sequences that occur regularly during startup. B2 usually appears just before the system fully boots, and 97 follows shortly after. You're unlikely to encounter specific error codes such as F9 or 0d; instead, it seems the board is likely failing during the boot process. If this happened on my older hardware, I experienced occasional BIOS entries but eventually crashes afterward. My first step would be to recheck the RAM connections and test with single sticks to improve stability and possibly get into Windows.
S
ShyCarrot
03-17-2022, 01:23 AM #2

Firmware RAID is enabled, software RAID isn't. In fact, software RAID tends to be the strongest option available, with solutions like ZFS. Now let's address the main concern. The POST codes you mentioned are typically late-stage boot sequences that occur regularly during startup. B2 usually appears just before the system fully boots, and 97 follows shortly after. You're unlikely to encounter specific error codes such as F9 or 0d; instead, it seems the board is likely failing during the boot process. If this happened on my older hardware, I experienced occasional BIOS entries but eventually crashes afterward. My first step would be to recheck the RAM connections and test with single sticks to improve stability and possibly get into Windows.