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I found this link that includes a downloadable file with the i226V firmware (FXVL_125C_V_2MB_2.25.bin). I assume it's version 2.25, but it's specifically for VERSA CSG150 devices. I have a 4-port NIC from Fenvi. Will it work for the update?
https://support.versa-networks.com/support/solutions/articles/23000028082-csg150-i226-nic-nvm-update
Your solution with the VERSA download of the 225 firmware package worked for me.
I have a cluster of three Proxmox 9.x machines using MSI Z790I ITX boards with onboard Intel i226-V NICs. These machines previously ran Proxmox 8.x without any issues.
After upgrading all three to Proxmox 9.x, everything initially worked fine. However, after some time and configuration changes, one of the machines suddenly lost its onboard Intel i226-V NIC completely.
I performed a BIOS update and reset, but that didn’t help. I cross-checked all BIOS settings across the cluster—identical. I verified all Proxmox versions and kernel versions—also identical. So why did only one machine lose its Intel NIC?
To troubleshoot, I plugged in a USB NIC, which was detected and functional, and began searching online.
Using the lspci command, I saw an Intel Ethernet adapter, but it was no longer identified as an i226-V. Instead, it showed up as a strange Intel 125F Ethernet device.
Running lspci -k, I noticed the igc driver was listed but not marked as “in use,” which explained why the NIC didn’t appear with the ip a command—the driver wasn’t active.
Googling “igc driver not in use,” I came across the command dmesg | grep igc, which revealed an error: “The NVM Checksum is not valid.” This indicated a firmware corruption on the Intel i226-V adapter.
After searching for a firmware fix, I found this thread, downloaded and installed the VERSA firmware package (note: I had to disable Secure Boot to flash the firmware). After a reboot—with the power cable unplugged—the Intel i226-V NIC came back to life and is now fully functional in my Proxmox server.
- Another impacted i226-V user on ASUS TUF GAMING Z890-PRO WIFI mobo using FreeBSD 14.2-RELEASE-p8.
- Ethernet stops working randomly.
- Getting windoze working and updating latest intel drivers 31.0 did not help.
- BIOS update to version 3002 did not help. Also drivers update from ASUS did not help.
- There is no firmware for NVMUpdatePackage for i226-V in drivers bundle version 31.0.
- This is not a gaming computer but my main workstation used for commercial work. I specifically took Intel Core9 285K CPU over AMD to have reliable working environment.
- Intel looks terrible in this situation right now releasing defective products, not providing public fixes, and not even allowing people to access the fix because it is kept behind tons of bureaucracy.
- There are tons of people impacted by this eeprom/firmware problem and Intel really should release public fix asap!!
