Vnish S21, T21 firmware

How to install

There are several options for installing the antminer S21, T21 vnish firmwar. The first option is to install using SD card, the second option is to install without an SD card directly to NAND of the miner using the VNISH TOOLKIT FOR 21 SERIES

SD CARD: Download the SD IMAGE , unzip and read manual ( Use SD card to install the firmware (not more than 16gb, FAT 32) Insert the SD card with VNISH FIRMWARE and turn on the asic, if you pull out the SD card the BITMAIN firmware will return. If you need to update the version of vnish firmware which you are already using on the SD card or in NAND you need to download the firmware WEB SD update file and use upgrade function in the firmware.

NAND INSTALL: Download NAND INSTALL IMAGE and VNISH TOOLKIT FOR 21 SERIES ( unzip, read manual how to install )

AMLOGIC

CVITEK

After rebooting the miner with the CVitek control board with vnish firmware, the stock firmware will return, you need to scan the network where the miner is located using phoenix-scanner in the background and the Vnish firmware will be restored automatically

XILINX


Modes antminer S21, T21 firmware

STOCK BITMAIN FIRMWARE:
188 TH/s – 3500 watt (18 watt – TH/s)

VNISH S21 MODES

2060 watt ~ 119 TH
2180 watt ~ 125 TH
2290 watt ~ 131 TH
2390 watt ~ 137 TH
2500 watt ~ 144 TH
2600 watt ~ 150 TH
2730 watt ~ 156 TH
2830 watt ~ 162 TH
2940 watt ~ 169 TH
3040 watt ~ 175 TH
3150 watt ~ 181 TH
3270 watt ~ 187 TH
3370 watt ~ 193 TH
3480 watt ~ 200 TH
3580 watt ~ 206 TH
3690 watt ~ 212 TH
3810 watt ~ 218 TH
3920 watt ~ 224 TH
4020 watt ~ 231 TH
4130 watt ~ 237 TH
4230 watt ~ 243 TH

VNISH T21 MODES

1960 watt ~ 113 TH
2060 watt ~ 119 TH
2180 watt ~ 125 TH
2290 watt ~ 131 TH
2390 watt ~ 137 TH
2500 watt ~ 144 TH
2600 watt ~ 150 TH
2730 watt ~ 156 TH
2830 watt ~ 162 TH
2940 watt ~ 169 TH
3040 watt ~ 175 TH
3150 watt ~ 181 TH
3270 watt ~ 187 TH
3370 watt ~ 193 TH
3480 watt ~ 200 TH
3750 watt ~ 206 TH
3870 watt ~ 212 TH
4100 watt ~ 218 TH
4320 watt ~ 224 TH
4480 watt ~ 231 TH
4630 watt ~ 237 TH
4750 watt ~ 243 TH
4900 watt ~ 249 TH
5030 watt ~ 255 TH
5170 watt ~ 262 TH
5300 watt ~ 268 TH
5430 watt ~ 274 TH
5610 watt ~ 280 TH

version 1.2.5

📢 New Additions:

  • Added support for Antminer S21 (Amlogic), Antminer S21 Hydro, Antminer T21 (Amlogic/Cvitek), Antminer T19 Hydro, Antminer T21(BHB68703), Antminer S19k Pro (Xilinx), Antminer S19k Pro (BHB56903/BHB56903-/BHB56902-)
  • Added widget Performance
  • Introduced new presets: preset 9250MH for Antminer L7, lower presets for Antminer S19, and new presets for Antminer S19 Hydro, S19Pro Hydro, and S19Pro+ Hydro
  • The dashboard now displays Hashboard factory information and Hashboard temperature after overheating
  • Added features for preheating chips and voltage adjustment in automatic cooling mode
  • Logs are now saved after reboot
  • Invalid CRC EEPROMs are ignored

🚦 Changes:

  • Now supports the previous format of autotune.json without serial number (1.2.0/1.2.1)
  • Reduced the minimum difference between switching temperatures to 5 degrees Celsius
  • Recalibrated chip temperature for x21 series
  • Updated water temperature checks on Hydro miners
  • Adjusted chip temp offset for Hydro miners
  • Enhanced autotuning functionality
  • Corrected profiles for Antminer S19i and S19 Hydro
  • Raised the critical temperature threshold to 120°C
  • LEDs now blink faster when activating find miner
  • Made minor UI/UX adjustments
  • Enhanced miner stability

🐞 Bug Fixes:

  • Fixed minimum hashrate check when quick start is enabled
  • Fixed cooling down for automatic/manual fan mode
  • Resolved false virus detection on Cvitek firmware
  • Fixed double compression (diagreport/backup)
  • Corrected /docs route
  • Fixed memory leaks and firmware hangs on Cvitek
  • Resolved configuration loss after power loss
  • Improved autotune for Antminer S19i
  • Fixed chip detection issue on Antminer S19k Pro
  • Resolved double pause issue
  • Fixed dashboard hangs with a large number of connections
  • Fixed voltage adjustment in immersion and manual cooling mode
  • Fixed work with L7 sensors

💻 API Changes:

  • Added max_rpm parameter in the fans object on the /summary response
  • Added hr_stock to the /summary response
  • Introduced new /chains and /factory-info routes on the API