MSI MAG X570S Tomahawk Max WiFi BIOS Update: From Version 1.00 to 1.D1

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Today I completed a BIOS update on my MSI MAG X570S Tomahawk Max WiFi motherboard, upgrading from the original BIOS Version 1.00 (dated 07/06/2021) to the latest Version 1.D1 (7D54v1D1, dated 09/19/2025). This update was performed using MSI’s M-FLASH utility as part of my Proxmox homelab infrastructure maintenance.

MSI MAG X570S Tomahawk Max WiFi BIOS Update via M-FLASH - Step by step visual guide showing the complete BIOS update process from version 1.00 to 1.D1

The visual guide above outlines the complete BIOS update process using MSI’s M-FLASH utility. Here’s a summary of the key steps performed:

  • Downloaded BIOS version 7D54v1D1 from MSI official support page
  • Extracted BIOS file (E7D54AMS.1D1) to a FAT32-formatted USB drive
  • Stopped all Proxmox VMs and containers before rebooting
  • Rebooted into BIOS and used M-FLASH to flash the new BIOS
  • Verified critical BIOS settings: IOMMU enabled, SVM enabled, Above 4G Memory enabled, Re-Size BAR disabled
  • Confirmed BIOS updated to Version 1.D1 (Release Date: 09/19/2025) via dmidecode

For detailed step-by-step documentation of this BIOS update process, visit the NetworkThinkTank-Labs GitHub repository. This motherboard serves as the foundation for my Proxmox homelab running GPU passthrough with an NVIDIA RTX 3060 Ti for AI workloads.

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