1) It depends on what you want to spend, and what your return could be in the meantime, From what I hear if you buy it from a re seller the Warranty disappears (you would need to ask them about that)
2) No this means that all orders from this batch will ship on the 11th or there abouts. If you miss this batch  you would be waiting for the next batch. They are out of stock when it doesn't give you the option to buy.
3) That's up to you to decide, going back to my first point. I also haven't heard much in the way that Bitmain has a new product launch expected.
4)If you search the Forum you will find a few recommendations for quality PSU's, but like NotFuzzy said, don't cheap out. My advice also would be do not get multiple psu's, powering one board by each, usually leads to headaches.


I guess relatively is relative, lol.

This is the one instance I would say it sucks your electrician followed codes, did you tell him it was for a dryer? If he had run a 3 wire circuit you could have switched out the receptacle in a couple of minutes. How long is the cable run? You could always disconnect the circuit and fish through a new wire, by pulling through from the receptacle. I doubt they opened up your walls and tacked cable in place.
It might be better in the long run. If they didn't charge to much it might be worth having them come back

I'm wondering if anyone else using this setup manually enters the difficulty for their miners in their respective pool.

I've noticed I get a lot more rejects when mining BCH compared to BTC, so I was thinking of playing with my difficulty to see if I could reduce that.

If so I'm guessing I should treat them all like 1 Miner, seeing as that's how the pool sees them through the conroller, so for 2 741's I could set it to d=14800.

Any thoughts

If you bought the unit new you can also contact Canaan, and open a ticket letting them know you had a defective piece, they'll want you to give them the rundown of all the troubleshooting you did to arrive there.

Was it the auc converter or the cable? Thought it was the cable because your auc lights were good?

That's promising, are you planning a similar design with the external controller? Not sure if it's possible but will it use the same auc converter and cable as the 741?

Thanks for the updates

What Psu are you using, and on what type of circuit. A fee of the support threads lately people have been using underpowered PSU'S and it's led to reduced hashrates.

Are those hashrates on the pool side. What does your controller say you are hashing at?

Any more updates in regards to the next Avalon model?

We were going through this in one of the other threads but, we got as far as the lights all look good on his auc3 converter, and that there was power to the miners.

He quoted his psu brand and I wasn't positive but the specs looked like they might provide 650 w over more than one rail. ( I wasn't sure because I'm no expert at reading those specs... or much else lol)

I asked for a photo of his setup to make sure he plugged the connector from the auc converter to the miner properly, but it never got posted.

It's the Avalon 741 setup thread, you can find all his previous info

https://bitcointalk.org/index.php?topic=2063797.msg24332622#msg24332622

No just someone who helps clean up the forums and try to keep things relevant for people trying to find information, it's not hard to use the homepage to figure out where you should be placing your questions.

The green light means it has power but isn't doing any work yet.
So I'm back to my original ideas. Your PSU's aren't supplying the power required to hash.

You may have placed the auc3 cable in the wrong slot (this is why I wanted a photo of how your miner is set up with all connections; or not pushed it in entirely.

Or the auc3 cable from the converter to the Miner

this link talks about the led colours for Avalons

https://canaan.io/question/what-do-the-led-colors-mean-for-the-auc3-avalonminer-741/

i think the only place to get one of those is from Canaan, unless someone on the Forum lives near you to help you out for troubleshooting. Do you get any lights on the AUC converter? are you sure you have plugged everythign in correctly, can you take a picture of how you have set everything up?

Do you mean the AUC3 converter? That might be an issue.

Give your miners a few more minutes to wait and see if it recognizes the devices it can take 5 or 10 minutes, if the devices don't show up it might be the AUC3. do you have a spare? I think 1 comes with the controller and 1 with the miner.

Hey there,

I am by no means an expert on PSU's but I think that your PSU provides that 650W output over multiple rails, so that the cable you are using to power each hash board is not receiving sufficient wattage.  If that makes sense.

What does it say you are hashing at with your worker on the poolside?

What I did was I bought PSU's built for Mining, you can check for Amitylabs on ebay, or Parallelminer to find something better suited. I've bought mine from Amitylabs and the customer service was good at helping me figure out what I need.

Hi there,

I just responded to you in the other thread, try to avoid posting the same question on multiple threads.

Also this thread is more reserved solely for distributor issues or information.

I'll post more info into your other question know that I know the idle lights are on.

Hey there can you provide a little more info?
What type of PSU's ? What voltage is the circuit you are running on? Do the miners fire up at all? does the controller come online, can you access it? Are they running at all?

The more info that you provide the better the responses will be to help you figure this out.

EDIT: Saw your other post where you mentioned idle lights, have you logged into the controller and set up your mining pool information?

Yeah mine arrived today and it was the same deal. I'm kinda glad they did, as the last couple that arrived some were missing cables, but I had enough kicking around that it didn't make a difference, just depleted all my spare parts.

I used to just chalk it up to Customs or something poking around to see that the package is what it is supposed to be.

I don't really get what the issue was, you do not provide any relevant information.

When I was new I had a few posts deleted mostly out of my ignorance to forum policy. In those instances I messaged them and they explained where I went wrong.

My guess you've stepped outside the lines, and need to contact whoever you are having the issue with.
Also I think this is a post that should be reserved for META

There is an entire thread based on just this machine alone. The company is legit. The miners will have run through a burn in period, I don't know how long it is before they are sold.

In the future read through the forum and use the search function, if you go to hardware you will find this thread and many others.

https://bitcointalk.org/index.php?topic=1493601.0

I've never used them, what type are you considering?
The Con I can think of off hand is you will be restricting the airflow. Not sure but as long as your ambient temperature is cool enough you might be okay.

There are a lot of threads that cover this in many different forms. If you poke around you will find everything you need, from using the miners to supplement your heat in the winter, to the checklists you need to go through. Electricity costs, do you have the space, what hardware to buy (needs to be an Asic machine for BTC).

Dig around in the BTC threads use the search function, find a good mining profitability calculator online.

Good luck