Upgrade Antminer S9 Pro (6 board) 21Th S9Dual

Vnish firmware: https://vnish.pro/en/firmware/ Converting (upgrade) two antminer S9 devices into one antminer ,S9Dual, S9pro, device for 6 boards 1550 Wat 21Th 1:58 error in the picture, correct link: http://bit.ly/35kzK9f Firmwarehttps://www.4sync.com/web/directDownl... Grill drawing:http://bit.ly/grille_s9 All firmware BITMAIN: http://asicclub.com.ua/en/asic-firmware/