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Custom Antminer firmware: overclock, autotuning and web panel

Asic Boost · Bitmain

Asic Boost firmware for ASIC miners

Custom firmware for every Bitmain Antminer model: overclocking and autotune, power profiles, undervolt and real-time web monitoring. SHA-256 and Scrypt (LTC + DOGE).

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Antminer S21Antminer S21 XPAntminer S19 XPAntminer S19j ProAntminer L7Antminer T21
+41%Antminer S19 XPup to 200 TH/s · −34% W/TH
+45%Antminer T21up to 280 TH/s
+31%Antminer S19or −30% W/TH
+22%Antminer S21up to 243 TH/s
+33%Antminer L7 · Scrypt9.02 → 12 GH/s

Asic Boost firmware capabilities

Overclocking

Push chip frequencies and hashrate beyond factory limits.

Per-chip autotune

Tunes frequency and voltage per chip: fewer HW errors.

Undervolt & efficiency

Lower voltage for energy savings and higher profit.

Power profiles

Ready eco/stock/overclock presets plus manual fine-tuning.

Monitoring & Chip Map

Real-time web panel: temps, fan speeds, chip map.

Fleet management

Install, update and configure hundreds of miners at once (HashCore Toolkit).

Immersion & cooling

Smart fan control and immersion mode without spoofers.

Antivirus & access

Built-in antivirus and SSH/password control to protect your farm.

About AsicBoost firmware

AsicBoost is custom firmware for Bitmain Antminer ASIC miners (SHA-256 and Scrypt algorithms). It replaces the stock firmware and works as the «miner operating system»: managing frequencies, voltage, cooling, pool connections and monitoring.

The firmware unlocks the hardware: overclocking and undervolting beyond factory limits, per-chip autotune of frequency and voltage, and ready power profiles (eco / stock / overclock) with temperature-based auto-switching. The web panel shows hashrate, temperatures, fan speeds and a chip map; fleet-wide management runs through HashCore Toolkit.

Air, Hydro and immersion cooling are supported. A built-in antivirus, SSH control and an API improve security, and rollback to stock takes one click. The result is higher hashrate, better energy efficiency and more stable operation. The developer fee is 2.8%.

Feature demo

AsicBoost firmware interface

Overview of the firmware web panel for managing ASICs: hashrate (average and real-time), chip and board temperature, power consumption and error count. Performance presets, chart interval of 1/12/24 h, pool status, per-board chip health and customizable widgets. You can add, remove and reset them to fit your needs. The panel opens in a browser, so you can manage your farm remotely, without being next to the equipment.

Real-time monitoringEvent logsRemote managementPower profiles
AsicBoost UI
AsicBoost firmware web dashboard: real-time miner monitoring

Video overview of the AsicBoost web panel

Get firmware by model and board

Select the miner model and control board

Select the model and control board type to get install and update links.

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FAQ

What is AsicBoost firmware?
AsicBoost is custom firmware for Bitmain Antminer ASIC miners (SHA-256 and Scrypt algorithms). It replaces the stock firmware and adds overclocking, undervolting, autotune, a web control panel and fleet monitoring.
How much of a gain does the firmware give?
It depends on the model. Overclocking raises hashrate (for example, Antminer S19 XP up to 200 TH/s, +41% over stock), while eco mode lowers power per hash (down to −34% W/TH). The result is more profit and more stable operation.
Which Antminer models does the firmware support?
Most Antminer S19, S21, T19/T21 (SHA-256) and L7/L9/L11 (Scrypt) models, with AML, BB, XIL and CV boards. Pick the exact build for your model and board in the "Get firmware by model and board" block.
How large is the developer fee (DevFee)?
2.8% of the hashrate. Even with the fee you come out ahead thanks to overclocking and higher energy efficiency.
Can I roll back to the stock firmware?
Yes, rollback to stock takes one click right from the miner menu.
Is it safe to install the firmware?
Download only from the official source and verify the MD5 checksum. The firmware adds SSH control and built-in antivirus protection, so security is higher than stock.
Is Scrypt (LTC/DOGE) supported?
Yes, the L7, L9 and L11 models run the Scrypt algorithm and merge-mine Litecoin and Dogecoin at the same time.

Firmware documentation

Installation, compatibility, boards, setup, autotune and FAQ, all in one place.

Open the docs →

Technical support

Consultations on AsicBoost software, installation, setup and firmware updates for ASIC miners.

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