[SOLVED] (Not detecting NVME) MSI A320M Pro-VH using an A320M-A Pro BIOS

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May 20, 2023
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the motherboard that I bought is a brand new MSI A320M Pro-VH
that's what's displayed on the box
the Motherboard model number is MS-7C52 ver 1.2

The problem
at first, the motherboard is fine, I have been using it for 4 months, then when I bought an NVME drive and inserted it into the M.2 slot, it does not show in the bios and on the win10 and win11 boot media
I checked the drive If it's working, it is a Kingston NV2 1Tb, i have 2 of them
I plugged the NVME into a PCIE adapter and it shows on the other PC (i3 2nd gen), it shows in the win10 disk partition manager

then I tried to update the BIOS version in the M-Flash, after some trouble (NTFS flash drive, does not accept FAT32 because file not detected), I managed to select a BIOS file, but I'm greeted with
"the bios you selected is not for this MB"
I checked the current BIOS version and it shows as E7C51AMS.171, which DOES NOT EXIST in the Pro-VH version
if you parse the current version it will be "E7C51AMS.171" -> "7C51v171" which you can find on the A320M-A PRO BIOS list
why its a problem:
the A320M-A PRO does not have an NVME slot compared to mine MSI A320M Pro-VH, I have a hunch that the M-A version of the BIOS is messing up because the firmware does not know that the M.2 slot exists
Note:
- if you tried to flash the bios with "E7C51AMS.171", it will work
- there's a discrepancy between the System Product Name and Board Product Name
- I am plugging the drive into the motherboard's M.2 slot, the adapter is just for troubleshooting because i just borrowed the adapter
A6gbBl4.png



Questions:
- can I force the bios to flash the unsupported BIOS (A320M PRO-VH)?
i have a CH341 BIOS programmer here (I have this to flash FM2 Boards before)
- did the shop/manufacturer flashed the wrong BIOS?
this is my first time posting to this forum, if you have any questions, feel free to ask :)
 
Last edited:

Colif

Win 11 Master
Moderator
Where did you buy it from?

Just wonder if its not a oem board for some company - Cyberpower do it with Asrock boards, use a board but cut it down and create own bios versions.

Generally boards shouldn't let you put wrong bios on them.
MS 7C51 = https://www.msi.com/Motherboard/A320M-A-PRO
MS 7C52 = https://www.msi.com/Motherboard/A320M-A-PRO-MAX/support

The BIOS versions show you what board they for in the codes
E7C51AMS.171
E7C51 = A Pro.
AMS = American Megatrends - people who make BIOS

I would be temped to contact MSI before I messed with reprogramming BIOS chip.
 
May 20, 2023
3
0
20
Where did you buy it from?

Just wonder if its not a oem board for some company - Cyberpower do it with Asrock boards, use a board but cut it down and create own bios versions.

Generally boards shouldn't let you put wrong bios on them.
MS 7C51 = https://www.msi.com/Motherboard/A320M-A-PRO
MS 7C52 = https://www.msi.com/Motherboard/A320M-A-PRO-MAX/support

The BIOS versions show you what board they for in the codes
E7C51AMS.171
E7C51 = A Pro.
AMS = American Megatrends - people who make BIOS

I would be temped to contact MSI before I messed with reprogramming BIOS chip.
I bought this Msi A320M Pro-VH from Shopee, an E-Commerce Site here in Southeast Asia (Specifically bought here in the Philippines) because it was on sale
btw my current rig is
CPU: Ryzen 5 4500
Motherboard: Msi A320M Pro-VH
Ram: Teamgroup Elite+ 3200Mhz
GPU: GTX 1060 6Gb
I will try to contact MSI also because my mobo is still under warranty, flashing the BIOS chip might void it
 
Last edited:
May 20, 2023
3
0
20
After quite some tinkering, i managed to fix the issue
My theory was correct that the shop/manuf. managed to flash the BIOS from another model
I resolved it by flashing the A320M Pro-VH BIOS using UEFI Shell flashing tool from MSI forum to bypass the error message
After that, it detected the NVME drive
 
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