Question 1

What is VNISH firmware?

Accepted Answer

VNISH is a custom firmware for Bitmain Antminer ASIC miners that adds autotuning, power/efficiency profiles and advanced monitoring.

Question 2

How do I know which control board my miner has?

Accepted Answer

See our Control Board Identification page. Installing a file built for a different board can fail, so always check first.

Question 3

Is there a developer fee?

Accepted Answer

VNISH includes a developer fee as described in the official documentation. Check the release notes for the current terms.

Question 4

Does downloading mean the firmware is installed?

Accepted Answer

No. A download only means you received the file. Follow the installation guide for your model and method.

Question 5

Can I return to stock firmware?

Accepted Answer

In most cases yes, using the stock Bitmain image for your control board. Follow the guide carefully.

Frequently asked questions