VNISH Firmware v1.3.5 Released – New Antminer Support

VNISH Firmware v1.3.5 is now available, bringing expanded hardware compatibility,
new Antminer model support, improved autotuning, a redesigned Maintenance section, and several
important bug fixes and API changes.

⌨️ Expanded Miner & Hardware Support

Version 1.3.5 expands VNISH compatibility with new Antminer models, control boards, and power supplies:

• Antminer U2L9H: Added full firmware support.
• Antminer S21++: Added support for the new S21++ model.
• Antminer S19-126: Added support for miners using Xilinx control boards.
• New PSUs: Added support for PSU models 0x67 and 0xc5.

⚙️ New Features & Enhancements

Unified Maintenance Tab

Firmware management tools have been reorganized into a dedicated
Maintenance tab in the web interface. The new section provides centralized
access to:

• Backup
• Restore Backup
• Reset to Default Settings
• Rollback to Stock Firmware

This makes common maintenance and recovery operations easier to find and manage from a single location.

Offline Mining Improvements

The Offline Mining operational mode has been fixed and stabilized for more reliable operation.

🔧 Bug Fixes & Refinements

Improved Hardware Detection

VNISH Firmware v1.3.5 fixes several ASIC auto-detection issues affecting specific Antminer models and configurations, including:

• Antminer S19 Pro with 114 ASIC chips
• Antminer T19
• Antminer S19
• Antminer S19 Pro Hydro with 120 ASIC chips
• Antminer S21 sub-model with BHB68603P control board

📈 Tuning & Preset Improvements

Autotune Improvements

The autotuning algorithms have been fixed and optimized for several supported miner models,
improving the tuning process and overall stability.

Corrected Preset Names

Incorrect preset names have been fixed for the following models:

• Antminer S21e Hydro
• Antminer T19
• Antminer S19j+

Updated S21 Hydro Presets

Presets exceeding 346 TH/s have been removed for the Antminer S21 Hydro.

🖥️ System & Logging Improvements

The “remove stock logs” routine has been fixed on Xilinx control boards,
ensuring that stock logs are properly deleted when using the cleanup function.

💻 API Changes

VNISH Firmware v1.3.5 also introduces several permanent API changes:

• Layout route removed:
  The layout route has been permanently removed from the API.
• Configuration fields removed:
  The asic_boost and modded_psu fields have been permanently removed
  from the configuration/API.

🚀 VNISH Firmware v1.3.5

With expanded hardware support, improved ASIC detection, more reliable autotuning,
streamlined maintenance tools, and important system and API fixes,
VNISH Firmware v1.3.5 delivers another set of improvements for Antminer users.

The update is recommended for users running supported Antminer models who want access to the
latest hardware compatibility, tuning improvements, and stability fixes.