Braiins OS & Braiins OS+ custom ASIC firmware: optimize performance & efficiency

[WhyFhy]

Ill see if I can conjure a working variant that is near  10ths/1000w or close as possible.
If I can get it to work in the first place. ? .
If anyone gets it (t9+) hashing on braiins at all post your benchmarks/settings please.

[troslky77]

Hi,

I don't really know what I did wrong but I just flashed my DragonMint T1 G19 twice (without sd card slot) trough ssh, everything was successful.
Tried to login and still I can see the DragonMint main page logo, can't access.

Flashed back for check is everything works well, it is but after flashed braiin os can't access, don't know why...

Any suggestions ?

[wolfen]

I think you will see the braiins logo not the dragonmint logo if it is a successful flash.

[troslky77]

Hi, I know that man.

My python workon bos said sucessful flash and after reboting nothing happend, still I can see dragonmint page but cant log in...

I use win 8.1 64 bit, firmware g29 ssh, so what next ?

[papampi]

Some times web page need more than one time refresh.

[Artemis3]

Flush browser cache or open with another browser where you have not opened the miner web page recently.

[philipma1957]

Indeed when i last tried it failed to work with the T9+. If you try install it directly to nand storage, you would need to use the recovery method using the sd card for the T9+ as explained by Bitmain support (which is the same method some people use to revert S9s back to older Bitmain firmware).

But your test would be nice to do against S9s. With BraiinsOS you have to find the most efficient settings manually, and it takes some time and lots of cgminer tries. I think philipma1957 did something interesting at 475Mhz 7.9v if i recall correctly, but each hashboard behaves different, with the boards from the S9j 14.5T performing best i think.

I got down to 8.2 8.1 8.1 did 10015 gh and 815 watts maybe freq 425.

Boards vary.   I have that unit up in Clifton will bring it back home and try to run it as a space heater.

I suspect if I play with my s9 space heater idea i will find perfect numbers for a 80c  1 board miner under 44db

maybe
39db
4th
390 watts

Brains at freq 450 volts at 8.4

My heater mod fans can only do 3000 rpm

The key is to get a stable temp with fans close to 2800.

Then no ramping of fans with a flat temp of 78:or 80

I think all my s9s could do this on brains software.

Better yet I can pull my s7 ln boards and fit the s9 in there .  Which means the psu is built in.

[rfsimoes]

Hi all,

In what file should I put the --min-fans setting? cgminer.conf? If not what is the correct file and path to it? The same question goes for "--fan-dangerous-temp" and "--fan-hot-temp" settings. What is the exact correct syntax usage for this?

Also, I tried to find "temp-def.h" file and did not found it.

Thanks.

[Artemis3]

They go in /etc/cgminer.conf using cgminer.conf formatting style, something like:

{(the_rest_of_the_options),"min-fans":"1","fan-hot-temp":"70","fan-dangerous-temp":"90"}

Don't forget to restart cgminer with /etc/init.d/cgminer reload

[wolfen]

Remember cgminer.conf is just one line in the text file. If you try to break it up into multiple lines it will not work.

[Artemis3]

Actually i think it does work formatted, but you mustn't mess the end of line encoding, something most windows text editors will happily do... If in doubt just leave it like one long line

[wolfen]

I just use vi, even on the pc. 35 years now on unix, linux, etc...
Just something I noticed.
Used to json files that are formatted and json parsers that deal with formatting.

[rfsimoes]

Many thanks to you guys

[momo353]

Hello Braiins
I would like to remotely install braiins on a DM1 g19 via ssh, using the dm1_g29-ssh tar downloaded from feeds, do you have any recomendations, I will follow the instructions as per braiins-os.org docs.

Using Linux

cd braiins-os_am1-s9_ssh_VERSION
virtualenv --python=/usr/bin/python3 .env
source .env/bin/activate
python3 -m pip install -r requirements.txt

python3 upgrade2bos.py your-miner-hostname-or-ip

Please let me know if this will work or if I should not do it.

Thanks

[BitMaxz]

According to Braiins OS Docs.

*NOTE: transitional firmware for Dragonmints T1 with G19 control board is no longer provided as it is fully compatible with G29 transitional firmware.

It's not fully compatible for the g19 control board.

Why not try to replace the command line from the method here https://docs.braiins-os.org/#option-b-install-using-ssh with this code below.

Code:

cd braiins-os_dm1-g19_ssh_VERSION

[momo353]

browsing at feeds.braiins-os.org for g19 I only see SD not SSH and the miner is in a remote location, according to the documentation:

Transitional firmwares
The table below outlines the correspondence between transitional firmware image archives (as provided at https://feeds.braiins-os.org/) and a particular hardware type.

Firmware prefix   Hardware
braiins-os_am1-s9_*.tar.gz   Antminer S9, S9i, S9j; (R4 support is broken do not USE!!)
braiins-os_dm1-g29_*.tar.gz   Dragon Mint T1 with G19 or G29 control board *
*NOTE: transitional firmware for Dragonmints T1 with G19 control board is no longer provided as it is fully compatible with G29 transitional firmware.

It says that it is compatible ??

[BitMaxz]

Yeah just noticed that there is no g19 ssh firmware from their feeds and sorry it was fully compatible with g29 firmware so you can use the t1 g29 firmware to flash the miner through SSH just replace this code below.

from this

Code:

cd braiins-os_am1-s9_ssh_VERSION

to this

Code:

cd braiins-os_dm1-g29_ssh_VERSION

[Artemis3]

Hello Braiins
I would like to remotely install braiins on a DM1 g19 via ssh, using the dm1_g29-ssh tar downloaded from feeds, do you have any recomendations, I will follow the instructions as per braiins-os.org docs.

I don't see the SSH version, here is the image to boot using an sd card: https://feeds.braiins-os.org/braiins-os_dm1-g19_sd_2019-06-05-0-0de55997.img

You have to dd that image into an sd card, then set your controller J1 off, J2 on, insert the sd card and turn on the machine. It should start in bOS.

I imagine the current version has an option to install to nand using the web ui, but i don't own any Dragonmints.


Oh i see you can just use the G29 version, then go for it: https://feeds.braiins-os.org/braiins-os_dm1-g29_ssh_2019-06-05-0-0de55997.tar.gz

[SlushPool official]

New mining stack on the way! Secure, transparent and flexible

We are designing a new mining protocol, Stratum v2, with the aim of addressing all the major issues of the current one. To provide a complete mining stack — open-source and compatible throughout — we have also taken a big step and started designing the new mining software in Rust language.

Now, we’re almost done with the design and would like to invite you all to participate in our effort to create this open standard. We’d be delighted to listen to your needs to find out what features you’d like to see in the new mining package.

Visit the website and get in touch: https://braiins.com/upgrade

[WhyFhy]

Awesome! Stratum v2?!