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1  Bitcoin / Hardware / Re: Board Bitmain A113D Amlogic (S19 90TH) not working on: October 24, 2023, 02:18:31 PM
I was wrong to download this firmware. A big mistake.

Yes, I can put any firmware you recommend. The board only turns on the network light, nothing else. And it doesn't read the pendrive, it doesn't even turn on the pendrive light, as if it had no power.

I already bought the TTL cable, I'm waiting and it should arrive tomorrow. I bought this model with drivers:

https://produto.mercadolivre.com.br/MLB-2200958817-1-x-cabo-ftdi-usb-a-para-ttl-rs232-pl2303hx-4-pinosnf-_JM?quantity=1

I looked at how to upload the OS using TTL and it doesn't seem to be simple, but it isn't complex either. I am going to try.

Thank you for your help, BTC UP and the machine stopped... :-( I'm an enthusiast, I bought 30 S19 90Th. But I still don't have that knowledge in terms of maintenance.

Best Regards,
2  Bitcoin / Hardware / Re: Board Bitmain A113D Amlogic (S19 90TH) not working on: October 23, 2023, 06:37:47 PM
Thanks for the answer.

I just bought a USB TTL to try this. There is no other way.

I downloaded the image from the website below. I don't know why the host downgraded my image resolution.

URL: https://vnish-firmware.com/en/razgon-antminer-s19-s19i-s19pro-s19j-t19/

> AMLOGIC CONTROL BOARD

>> AMLOGIC SD (OTG-USB) VERSION 1.2.0 RC5 (autotune)

>>> S19 AML SD IMAGE (88 chips) version 1.2.0-rc5
(FILE) - File: VNISH_OFFICIAL-SD-s19-88-aml-sd-v1.2.0-rc5-install.tar
Download Link: https://vnish-firmware.com/en/VNISH_OFFICIAL-SD-s19-88-aml-sd-v1.2.0-rc5-install.tar

My mistake could be this OTG-USB version. I do not know what this is. :-(

Best regards,

3  Bitcoin / Mining support / Re: S19 Amlogic control board brick ? on: October 23, 2023, 03:51:19 PM
Hello, how are you?

I have a problem with my Control Board, I did a bad update. And the same happened with others that keep restarting.

Can you help me with the question I asked on the Forum?

. https://bitcointalk.org/index.php?topic=5471345.msg63041239#msg63041239

How can I get the TTL cable and test it? Can you show me the cable model and how to connect it?

I'm trying to buy a new card, but the time the machine will be offline is bad.

Thanks and best regards,
4  Bitcoin / Hardware / Board Bitmain A113D Amlogic (S19 90TH) not working on: October 23, 2023, 01:27:37 PM
I have an Amlogic A113D Control Board, which equips the Bitmain Antminer S19 90Th.

It turns out that I went to install an update via the Pendrive and it stopped responding.

The update I used was this:


The Pendrive looked like this:


The board updated, the green light turned on, indicating that it was ready.

I removed the pendrive and restarted.

Now, the board no longer reads the pendrive, it doesn't even light up indicating the pendrive is connected (it has a light that lights up when it turns on).

And the sign doesn't go up. Only the green light on the network card turns on and keeps showing, but it doesn't go up on the network, it doesn't get IP and it doesn't read the pendrive so I can reinstall the original bitmain.

Has anyone ever experienced this? Is there any hard reset mode?
5  Bitcoin / Development & Technical Discussion / Re: ASIC HOMEMADE on: October 20, 2023, 07:36:32 PM
I understand and thank you for the response.

When I spoke about the S9, it was an example to imagine. I'm looking for a way to try something different in relation to mining.

We use S19 and we think we are at the top of the chain, and then, they launch a new machine, which mines an algorithm that has not yet been mined and "POFF", this machine starts yielding 2 thousand dollars a day.

I think about innovating, thinking ahead. No chip can be used to mine another currency, using the Chip which is sometimes even inefficient, but compared to machines with cards they earn from 0 to 100.

I saw a Russian who put an S19 chip on a pendrive and the thing worked.

I'm trying to think outside the box, analyze the options and cryptocurrencies that exist and look for something that doesn't need to be 0 to 2 thousand dollars a day, but 0 to 10 or 100... maybe.

Does an ASIC designed for ETC or KAS or SHA256 only do this? At the hardware level, can it not do anything less than less efficient?
6  Bitcoin / Development & Technical Discussion / ASIC HOMEMADE on: October 20, 2023, 05:49:29 PM
Hello,

I see antique machines, like the ASIC S9 miners and I wonder if we could create an ASIC machine using these chips, without thinking about the commercial format.

For example, imagine a central processor (control board) that can simultaneously control 20 Hasboard S9 boards, it would be 120TH. Maybe in immersion.

The question is the following: Wouldn't it be possible to create an ASIC card controller device or even the board, using commercial chips that are sold on the market?

The KS3 antminer costs 15 thousand dollars. It cost 50 thousand dollars. Therefore, it should have a manufacturing cost of 500 dollars, like the current S19. However, when launching companies, they charge a lot because they need to 1. make money, 2. make a lot of money and 3. pay off the investment.

We could use common market processors at the hardware level to be used to mine some crypto, I'm not talking about creating a computer, installing an OS and then installing mining software. I mean using processors as slaves just to mine.

Would this somehow be possible?

People created a virtual computer within Minecraft that runs Minecraft... the sky is no longer the limit.

I hope someone has this knowledge to comment here, talking about all the aspects and possibilities. Analyzing the processors and chips that we have available on the market today.

For example, a KS3 could turn into 10 machines of 800MH each, couldn't it? The chips are inside and sold for maintenance and repair.

Best Regards!

:-)
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