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Author Topic: Official BITMINE CoinCraft series 28nm ASIC miners thread  (Read 565012 times)
Ultros
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May 22, 2014, 04:55:03 PM
Last edit: May 22, 2014, 05:08:37 PM by Ultros
 #3421

Now BTC bear market is finally over (well, some would say it's up for debate but let's assume it's granted for the sake of the argument) Bitmine's team might be able to pay some of its debts.

They probably built a farm from the beginning with a part of their production (datacenter's reference: http://bitmine.ch/product/housing-coincraft-unit/) not counting all the desks they won't have to send because of refunds. They can begins to sell more of the BTC they mined for themselves so they can reimburse their creditors without being ruined.

Also, if they get more optimistic about the future of their share they can relax and stop hoarding to buy time.

That might explain the sudden influx of refunds reported those past days. Just my 2 cents.
mimocloud
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May 22, 2014, 08:39:34 PM
 #3422

Hey Bitmine.ch Team,

today we have updated some of our miners to your Firmware Version "20140425170710".
Afte the update the miners didt work anymore. They start mining after a reboot for about 10-25 seconds and after that
the Hashrate drops to 0...

Any solution?


Greetings
RoboRob67
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May 23, 2014, 06:20:49 AM
 #3423

Hey Bitmine.ch Team,

today we have updated some of our miners to your Firmware Version "20140425170710".
Afte the update the miners didt work anymore. They start mining after a reboot for about 10-25 seconds and after that
the Hashrate drops to 0...

Any solution?


Greetings
make a copy of the image of the not-updated miners and try if that solves your issues...
elvizzzzzzz
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May 23, 2014, 07:04:16 AM
 #3424

"Also, if they get more optimistic about the future of their share they can relax and stop hoarding to buy time."

The way I see it, when they failed to deliver my refund within the 30 days stated in _their_ terms and conditions
they broke _their contract. They should not assume that just because the conversion rate between US dollars
and BTC has changed in their favour that I will accept fewer BTC than was due on that date.

They are still digging that hole and it keeps getting deeper.
akumaburn
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May 23, 2014, 10:02:49 AM
 #3425

Ok enough now.

This thread has now been locked due to the fact that a few users have been going nuts and are acting without any kind of even basic knowledge of how an educated person should act. I can understand anger and criticism, but I cannot tolerate personal insults to me or to one of our co-workers, never.

After this public release that is meant to hopefully address in an objective manner all the latest source of criticism (or better said, "flames") that have popped up these last days, we'll keep the thread locked for a few days to give the opportunity to the spammers to cool down a bit and hopefully open it again at a later stage. I've always been a supporter of an official support thread on bitcointalk.org and an activist of the freedom of speech, but the lack of moderation is allowing a bunch of brainless spammers to destroy the experience and all constructive criticism made by the other wide majority of users.

Anybody questioning the reputation of Bitmine here should just ask himself why the people that got an appointment and came to visit us have NEVER posted bad things about us but, rather, all claimed that we are nice people, hard workers and yes, definitely not a scam. Just scroll back in the history of this thread and you will find all these testimonials. Me and our about 20+ people staff by now have been working hard, overtime and spending an astonishing amount of resources, nerves and money to recover on our delays while, at the same time, giving out free upgrades to everybody. So I would say that... no, I don't feel at all like having ripped off anybody but rather I feel that I did the best I could reasonably do for our customers, while admitting that some mistakes have been made and that we're still improving ourselves to address the open issues.

I hope to address all the pending matters with this post but please accept my apologies if I forgot to cover something and, again, I would be more than happy to receive anybody here ON APPOINTMENT in case you want to further discuss anything that may concern you.

Thank you,

Giorgio Massarotto
CEO
BITMINE AG



Personal threats and accusations
While constructive criticism, suggestions and a reasonable amount of anger is perfectly understandable and accepted, recent developments have completely degenerated in personal insults to me and my co-workers. This is not going to be accepted and, given that Swiss laws are very clear on this, I'm going to take all the available legal measures against these people.


Petamine units
As part of the deal that we had with Cryptx, given the big amount of the purchase, we have agreed to setup an additional dedicated production line that would be working in parallel to the existing ones and producing the units just for them. As soon as the PCB boards were hashing stable at our strict requirements, the production of both the commercial units (aka the ones sold on the website) and the petamine dedicated units started exactly at the same time. The fact that they reported them before anybody else is just due to the fact that they have been picking up their units in person and reported publicly just the day after having them in hands, while the other users that had their units shipped didn't yet report that fast on the forum, but some did a few days later. Petamine just as any other user have suffered delays and are being compensated for that.


Lack of frequent news
As I've stated previously in several posts, we don't have PR people here, so it's up to me to release news as soon as there are some. Unfortunately I also hold a key position in managing all this stuff and I'm working with an insane schedule, the company grew from a 2-people office to a 20+ employees one with production capabilities that have scaled 100-fold from when we started back in early 2013. This, unfortunately, takes time and focus has and will always be on making things run as fast as possible, however I will take the lesson and in the future we'll try to have more frequent news.


CPP and refunds deadline
Confusion would be the best term to describe an otherwise very straightforward policy. A dedicated page explaining in simple words how the CPP works has been available here http://bitmine.ch/?page_id=850 since day 0, but it looks like it wasn't clear enough, or just not read by most people. Let me resume some key points:

1) First 10 days don't count in late delivery calculation.

2) Refunds can be asked on the 71th day of delay based on the committed shipment date, which is the one published when you place the order. For avalon-clones and December batch customer, that means you'll be able to ask the refund starting from February 27th (December 16th stated delivery date + 10 days + 60 days). An appropriate page on our web site under support will be opened tomorrow for anybody willing to ask for a refund and yes, we will be honoring them within 30 days.

3) The late delivery compensation for your unit(s) will be determined at the exact moment of its assembly, that's why it makes no sense to keep on asking the support team, they won't be able to give you an answer till the unit is in production!

4) The compensation is calculated on 10% steps of increase of the nominal hashing power that you've ordered, rounded to the next highest hashing module. So, if you ordered a 200 GH/s unit and your unit leaves our warehouse after 32 days of late delivery, that is 22 effective days which is 30% additional power. Theoretically that would be 260 GH/s which, in case of the Desk unit where the hashing modules are 200 GH/s each, that would make your order shipped with two 200 GH/s modules for a total of 400 GH/s. Before creating again a conspiracy based on my words, please note that we're currently evaluating the possibility to supply late orders with half-mounted hashing units (i.e. 4 CoinCraft A1 chips instead of 8 ) so whereas you'll still get more than what you were actually entitled for, it may be less than the above mentioned example.

5) Refunds are made in the same payment method on which the payment was originally made. That means: wire transfers get refunded with wire transfers, bitcoin payments get refunded with bitcoin payments.

6) Refunds are pinned to the daily exchange rate at the moment when the refund will be issued, based on the original USD price of your purchase order which is the base currency for the prices stated in the website. That means:
    6.1 If you paid by wire transfer in USD, you get refunded by wire transfer in USD
    6.2 If you paid by wire transfer in EUR, you get refunded by wire transfer in EUR at the daily USD/EUR exchange rate based on your originally invoiced amount.
    6.3 If you paid by wire transfer in CHF, you get refunded by wire transfer in CHF at the daily USD/CHF exchange rate based on your originally invoiced amount.
    6.4 If you paid by bitcoin transfer in BTC, you get refunded in BTC at the daily USD/BTC exchange rate based on your originally invoiced amount.

7) Refunds are not mandatory: if you don't request them with our refund request form, we won't be doing this automagically for you. You can opt to wait for your 50% (the maximum) compensated order to be delivered for any amount of time.

8 ) Refunds are based on the originally paid amount, excluding any coupons or discounts. For example, if as an avalon-clone customer you opted for a 50% free coupon on your originally paid amount of $1000, your refund will be based on $1000 and not on $1500.


Turbo mode issues
All of our products have been sold, stated and guaranteed in NOMINAL HASHING POWER. For example, product model CCD-800 is a CoinCraft Desk 800GH/s, CCD-1000 is a CoinCraft Desk 1000GH/s and so on. The Turbo feature is by purpose indicated as "up to", which if I'm not wrong given http://www.oxforddictionaries.com/definition/english/up-to?q=up+to , means literally "indicating a maximum amount". This is depending on overall operating conditions and will vary depending on your specific use case scenario, while the nominal power is guaranteed to work always. This is exactly what has been done here, the 1TH/s nominal units can reach easily 1.3TH/s in normal operating conditions (read: 25°C ambient temperature) and up to 1.5TH/s when conditions such as very low ambient air temperatures and a more powerful power supply are provided. Let me explain this again with different words: it's not that your unit will not reach the highest peak of the Turbo mode, it will but based on the specific conditions in which you operate it.


Production capabilities
As everybody knows by now, we have been delivering units since last week and are now nearly in full scale production ability with about 30 units/day, targeting 50 units/day in the next days. Based on current production schedules, we should recover the delays within a few weeks.


Support not answering e-mails or phone calls
Some people have blamed the support to not be answering e-mails, I can just say that probably some of them are the same people that are sending daily flood e-mails that have the only consequence of delaying the response to the other perfectly legit requests.
We are not delaying any legitimate request and currently we answer e-mail requests within 3-4 days with volumes of about 250 daily e-mails. As for the phone calls, you have to be patient because all of our support staff may be busy during some peak hours. Please hold the line, and you'll see that you get an answer. We are working on staffing additional people in the meantime.


Rig device issues
As it has been known for some time now, the rig design is having some engineering problems due mostly to the heat and the internal DC distribution design. We have been working hard in fixing this, the prototype is currently in our lab and we expect to be able to let it go in production within short time.


It has been 158.2 DAYS of late shipment, I asked for a refund on the 102 day.

The contract stated a maximum of 30 working days for a refund.. it has now been 40 working days.

I called BitMine on the 32nd working day, and was told to wait until the 21st and that the transaction would be surely cleared by then (by Kerin). I called again today and was told to wait another 2 weeks and that Bitmine processed 0 refunds in the previous week.

What in the world is going on with you guys?

I demand an immediate refund in full, either $7700 USD in bankwire as promised or the equivalent in bitcoins so I can change them myself.

I have need of these funds at this moment and these illegal delays are not helping!
RoboRob67
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May 23, 2014, 10:56:28 AM
 #3426

Ok, I got the cooling problems sorted out now for the Coincraft Desks, I'm using outside air both on the suction side as on the blowing side.  What mode for over-clocking are still available and what GH/s can be achieved then?

Can these be configured with parameters using the GUI Settings->Miner:

clock speed (default 800Mhz)
core voltage (default 850mV)
spi speed 8000Kbps)

or should I configure this in cgminer directly to work?

Currently the desks are running on an average of 1030 GH/s but I would like to get 20-30% more out of them now as long as I can keep the operating temperature under 60C.
Gaspari
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May 23, 2014, 11:32:00 AM
 #3427

A typical bitmine behavior, two weeks ago, I request for refund and no response so far Angry
jseppeli
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May 23, 2014, 11:35:50 AM
 #3428

A typical bitmine behavior, two weeks ago, I request for refund and no response so far Angry

http://www.bitminerefund.com/
SwissMiner
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May 23, 2014, 11:40:46 AM
 #3429

BEWARE !

CHECK YOUR REFUND, IF YOU GOT ANY !
THEY REFUND YOU, IF THEY DO, FANTASY FIGURES !

.. bitcoin's make the world go around .. world go around .. world go around ..
Ultros
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May 23, 2014, 12:10:09 PM
 #3430

BEWARE !

CHECK YOUR REFUND, IF YOU GOT ANY !
THEY REFUND YOU, IF THEY DO, FANTASY FIGURES !


Care to elaborate?
Gaspari
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May 23, 2014, 12:19:20 PM
 #3431

      
They ignore the refund requests and just are making our rigs, or drinking a cocktail from our money Smiley
Mortal
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May 23, 2014, 03:43:25 PM
 #3432

Ok, I got the cooling problems sorted out now for the Coincraft Desks, I'm using outside air both on the suction side as on the blowing side.  What mode for over-clocking are still available and what GH/s can be achieved then?

Can these be configured with parameters using the GUI Settings->Miner:

clock speed (default 800Mhz)
core voltage (default 850mV)
spi speed 8000Kbps)

or should I configure this in cgminer directly to work?

Currently the desks are running on an average of 1030 GH/s but I would like to get 20-30% more out of them now as long as I can keep the operating temperature under 60C.

I am running at 850 MHz, 860mV, 4000Kbps (I dont know what the spi speed means anyway. Couldnt find any improvements changing this. all other modes are at 4k only nominal is at 8k... doesnt seem legit to me). I am hashing at
1070 - 1080 GH/s at 1250W. Running at 900/880mV does improve to 1120 GH/s but drains 250W more power. I need that Voltage or HW increases till 5-8% there.
It wasnt possible for me to get a stable 1200 GH/s av yet.
RoboRob67
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May 23, 2014, 07:49:45 PM
 #3433

Ok, I got the cooling problems sorted out now for the Coincraft Desks, I'm using outside air both on the suction side as on the blowing side.  What mode for over-clocking are still available and what GH/s can be achieved then?

Can these be configured with parameters using the GUI Settings->Miner:

clock speed (default 800Mhz)
core voltage (default 850mV)
spi speed 8000Kbps)

or should I configure this in cgminer directly to work?

Currently the desks are running on an average of 1030 GH/s but I would like to get 20-30% more out of them now as long as I can keep the operating temperature under 60C.

I am running at 850 MHz, 860mV, 4000Kbps (I dont know what the spi speed means anyway. Couldnt find any improvements changing this. all other modes are at 4k only nominal is at 8k... doesnt seem legit to me). I am hashing at
1070 - 1080 GH/s at 1250W. Running at 900/880mV does improve to 1120 GH/s but drains 250W more power. I need that Voltage or HW increases till 5-8% there.
It wasnt possible for me to get a stable 1200 GH/s av yet.
Thanks for the info, what is the impact on the temperature measured by the sensors of these changes?
Mortal
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May 23, 2014, 09:03:15 PM
 #3434

depends greatly on the environment. i got one miner in a hot room. i would say about 28°C it runs at 66°C, i got the other 2 in a cooler room, one of them about 55°C and the other one at 47°C (modified fans).
Red Star Mining
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May 24, 2014, 12:03:02 AM
 #3435

What is the maximum hashrate of the full desk unit in turbo mode and what is the wattage of its power usage?  Thanks for advice in advance.
AdamT
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May 24, 2014, 01:15:08 AM
 #3436

BEWARE !

CHECK YOUR REFUND, IF YOU GOT ANY !
THEY REFUND YOU, IF THEY DO, FANTASY FIGURES !


Wtf does this mean?
Mortal
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May 24, 2014, 06:51:06 AM
Last edit: May 24, 2014, 07:58:55 AM by Mortal
 #3437

What is the maximum hashrate of the full desk unit in turbo mode and what is the wattage of its power usage?  Thanks for advice in advance.

if you would mind reading 2 posts above. everything there...
/e running at 875/860mV/1300W/1108GH/s now. temperature dropped outside so miners are at 41°C and 46°C
cepbargocev
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May 24, 2014, 09:36:36 AM
 #3438


ID: 1156 
reseller 50btc.com


for bitmine.ch
5 days for shipping hardware, view tracking number! begin now, if no shipping please refund my money...
 thank's
RoboRob67
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May 24, 2014, 11:06:47 AM
 #3439

depends greatly on the environment. i got one miner in a hot room. i would say about 28°C it runs at 66°C, i got the other 2 in a cooler room, one of them about 55°C and the other one at 47°C (modified fans).

I copied your figures (875/860/4000) and I'm running a steady 1100 GH/s now consuming app 1200 Wh and running at app 55C in an 21C environment.

thanks for the info!
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May 24, 2014, 12:33:44 PM
 #3440

Finally I can speak without the fear of having an email from Fedex.

Sent my refund request via registered swiss mail for my second and last order at bitmine.

Ordered 2 1T coincraft desk in december, supposed to be shipped in february/march.

Never heard from bitmine after having wired more than 10'000$, no mail, nothing.
They didn't reply to my first refund request, but changed the status to cancelled on the website.
In Switzerland, you are supposed to respond in a 10 days delay to a registered mail.
Well I guess they are too busy producing 50 units a day...

After 60 days of waiting and adding 10 more "immaginary bitmine delay" days, I'm more than fed up with their lack of communication. or just the lies when they do rarely communicate.
Now That my last refund is sent, I will allow these liars 30 more days before going to the police station.
As i am a Swiss citizen and having a national bank account, there should be no limitation to wire both my refunds quickly.

I have no patience with this company anymore.
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