FAQ

Frequently asked questions about firmware

Antminer S9 / S9i / S9j

How much is your firmware or what % of mining developers fee?

The firmware is free. dev fee 1.3-2% of total hashrate. At the same time, there is no stopping of the main mining, the dev fee mining goes in parallel, with no switching loss, no more than 2/100 of the entire work.

On which Bitmain Antminer S9 (i, j) models can I install the firmware from AsicFw.io ?

On all Bitmain Antminer S9 S9i S9j models starting at 12T with Xilinx controller.

The data in the web interface is not updated?

The browser often caches pages; press Ctrl + R or Ctrl + f5.
Recommended use Chrome browser.

What is the critical temperature of the chip?

For S9 and T9 +, the normal operating temperature is 55-85C °, critical in datasheet bitmain 120C °, but we believe that up to 95-97C °

For D3 / L3 + / L3 ++, the critical temperature of the chip is 80C °

How accurate is the wattmeter in the web interface of the firmware?

+ \ - 5%, we tried so that he did not understate the testimony, so as not to exceed the capabilities of your power supply. If the temperature is elevated, or many chips have an individual frequency setting, it is possible that there is much difference with a real wattmeter.

Can I return to Bitmain or another from your firmware?

Of course! Standard Upgrade procedure.

Antminer after the firmware is not stable, or does not work, or some glitches ...

Install the firmware, without saving the settings https://file11.bitmain.com/shop-product/firmware/Antminer-S9-all-201705031918-550M-user-Update2UBI-NF.tar.gz  which will completely format the flash memory when this will change the mac address and the router will most likely issue a new IP address. You can find antminer on the router in DHCP clients, or using the BTC Tools v1.2  utility to scan the network.

The data of the wattmeter or temperature after installing the firmware shows negative values!

Click on the General settings menu (where your pools are configured) at the bottom of the Save & Apply page or launch Autotuner.

How can I check what% of mining goes to the dev fee?

After 24 hours of work, you can calculate the exact% dev fee:

1. Dev fee basic from 1.3% to 2%.

2. Reserve address dev fee, in case the primary is not available.

3. Power usage readings of each hashboard and total.

4. The number of DiffA# (work performed worker) user antminer.

5. DiffA# (work performed by worker) Dev fee.

6. The sum of the total work done DiffA#.

 

Calculate % dev fee – (“5”/”6”) * 100% = dev fee %

(3163648 / 196999614) * 100% = 1,6% dev fee

After updating the firmware, the S9i ASIC began to show that it is S9.

Answer: To change S9 to S9i or S9j, you need to install the Patch as a firmware update with saved settings, links below.

Patch for S9i https://www.dropbox.com/s/czyr338pfho70… ar.gz? Dl = 0
Patch for S9j https://www.dropbox.com/s/yv5oci3i8lzox… ar.gz? Dl = 0

I tried to upgrade my ASIC firmware using asicFW.io's custom firmware, the upgrade process are failed, and the error message shown "Cannot Find Signature!!!"

Bitmain in the newest firmware has done a digital signature check.
You need to change the upgrade.cgi file as follows, or edit it via SSH vi editor
vi /wwww/pages/cgi -bin/upgrade.cgi or use WinSCP programm  and its embedded editor
Default SSH user:root password:admin

INFO

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