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Author Topic: Black Arrow 28nm 100Ghash Bitcoin ASIC from $0.49/GH/s  (Read 787807 times)
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ducmami
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August 21, 2014, 08:22:46 AM
 #6341

We are running 10 Prospero X3 in our data center (20 units of 1Ths) and so far stability is quite bad. We have to reboot some machines every few hours, and one unit is not functionning at all already. Instead of having a theorical 20 THs, we average 16-17 THs / day (we don't have 24/7 presence to reboot machines all the time, nor have auto switching plugs).

Image with 16 units

https://i.imgur.com/pxgKLp8.jpg

x3 is not stable miner
Unacceptable
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August 21, 2014, 08:59:47 AM
 #6342

Check this out,you think diff is going up fast now,just wait....................  Roll Eyes

https://www.megabigpower.com/

"If you run into an asshole in the morning, you ran into an asshole. If you run into assholes all day long, you are the asshole."  -Raylan Givens
Got GOXXED ?? https://www.youtube.com/watch?v=9KiqRpPiJAU&feature=youtu.be
"An ASIC being late is perfectly normal, predictable, and legal..."Hashfast & BFL slogan Smiley
eXOBeX
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August 21, 2014, 09:07:43 AM
Last edit: August 21, 2014, 09:19:13 AM by eXOBeX
 #6343

If you're changing caps, make sure the replacements have low ESR/low impedance and decent current capability. Incorrectly specced caps will either not perform properly, explode, or both. The Nichicons linked above look like a pretty good bet. If you want to test the ones you take out, buy one of the cheap (but excellent) LCR meters from eBay.

In other news, I've finally received shipping confirmation of direct-from-BA order #8xx (paid mid-November) which is an X1.
TheMinex
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August 21, 2014, 09:29:16 AM
 #6344

In other news, I've finally received shipping confirmation of direct-from-BA order #8xx (paid mid-November) which is an X1.

Me too !!!
I hope to have voltage control implemented, anyone have some news about this Huh
Lexx2k
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August 21, 2014, 09:50:54 AM
 #6345

We are running 10 Prospero X3 in our data center (20 units of 1Ths) and so far stability is quite bad. We have to reboot some machines every few hours, and one unit is not functionning at all already. Instead of having a theorical 20 THs, we average 16-17 THs / day (we don't have 24/7 presence to reboot machines all the time, nor have auto switching plugs).

Image with 16 units

https://i.imgur.com/pxgKLp8.jpg


No idea why it's not functioning all X-3 i tested were running for week without performance drop and above 1TH/S per case.
Also there is a problem with 1.8 update as i heard, that causes problems to X-3 makes them run not at full spec. Better not update to v1.8 and if you did wait for v1.9.
You can also check PSU for the ones that stopped working, looks like there has been some problems with original PSU supplied with X-3.
Regards.
ninjaboon
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August 21, 2014, 10:01:34 AM
 #6346

Order nr 3xxx (direct BA preorder in december)
Dispatched on the 18th, arrived today on the 20th in Europe. Kudos DHL

my order #28xx for a X3 has not even shipped out but yours has? crazy

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August 21, 2014, 10:24:13 AM
 #6347

In other news, I've finally received shipping confirmation of direct-from-BA order #8xx (paid mid-November) which is an X1.

Me too !!!
I hope to have voltage control implemented, anyone have some news about this Huh
X1 doesn't have hardware voltage control like X3, and they also don't display Watts  and Volts on their web interface (or LCD).
There is some limited software voltage control through SSH, but only allowing you to step down the voltage, not increase it.
TheMinex
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August 21, 2014, 11:51:38 AM
 #6348

X1 doesn't have hardware voltage control like X3, and they also don't display Watts  and Volts on their web interface (or LCD).
There is some limited software voltage control through SSH, but only allowing you to step down the voltage, not increase it.

Good, that's what I want !!! If I will tune parameters I'll let you know !!  Smiley
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August 21, 2014, 02:48:18 PM
 #6349

They are bleeding for money!  They will be gone soon.  So many useless parts since they can't build a miner that they are hawking them onto everyone else.  Don't buy that shit!  Even if it is a little more expensive, go with their competitors.  Help put a nail in BA's coffin and stick in the ground where they deserve to go.

Hard to get rid of parts when you can't build a working miner I suppose.

I have to agree. Go with the competitors!

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August 21, 2014, 04:07:14 PM
 #6350

I think getting your unit converted to chips and sending to technobit is a better option. If your BA unit dies do you trust them to repair the unit?  Will they even do a repair or are you sol. Do you think they will be around in 6 months? I think technobit will be around alot longer than BA.
CryptoGuy
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August 21, 2014, 04:27:31 PM
 #6351

I think this graphic sums it up quite well.


<Insert favorite coin here>
elemental
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August 21, 2014, 04:57:41 PM
 #6352

They have plenty of money, they're just running out of money that they don't want to steal. I have never to this day heard a single report of a customer having paid BA directly in bitcoins having seen their payment ever leave the payment address supplied by BA.

Certainly true for my payment - I have received a shipment, but the btc payment is still just sitting there...
CryptoGuy
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August 21, 2014, 05:08:10 PM
 #6353


They are bleeding for money!  They will be gone soon.  So many useless parts since they can't build a miner that they are hawking them onto everyone else.  Don't buy that shit!  Even if it is a little more expensive, go with their competitors.  Help put a nail in BA's coffin and stick in the ground where they deserve to go.

Hard to get rid of parts when you can't build a working miner I suppose.

They have plenty of money, they're just running out of money that they don't want to steal. I have never to this day heard a single report of a customer having paid BA directly in bitcoins having seen their payment ever leave the payment address supplied by BA.

Thats true, you are very right.  Although given their high IQ level, I would wager a guess that they lost their private key and can't access those coins anymore.  Smiley

That would be the funniest thing ever.

<Insert favorite coin here>
dspiel
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August 21, 2014, 05:17:39 PM
 #6354

MinerSource did me wrong. This is completely scammy of them.


TLDR: Request cancel, cancel confirmed, offered store credit, told i cant use store credit, told i have to wait longer for refund, inquire about refund status,
no longer can receive refund, item shipped against my wishes.


* July 2nd, I send a cancellation request to support.

* July 3rd, I receive confirmation of my cancellation from Dan Murtha and inquiring if I would accept
store credit.

* July 3rd, I inquire about some items that I could purchase using the store credit.

* July 7th, I receive the following from Dan Murtha:

I apologize we did not get to your refund before Black Arrow began shipments.
Now that black arrow has commenced shipping and our first bulk shipment is on its way,
we will not be offering any more refunds or store credit until shipment of all outstanding
orders is completed, if there is any continuation in delays or defects with the products we
will continue doing refunds in the order requested.

* July 7th, I send the following:

I don't understand, I put in the cancellation request prior to shipment and I have acknowledgement
from you that I have been placed in the cancellation queue.

* July 7th, I receive the following from Thomas Salvatore:

You are still in the queue, we are just informing you of the current status.

* July 7th, I send the following:

Ahh, does that also apply for exchanges?

* July 7th, I receive the following from Thomas Salvatore:

We will no longer be offering exchanges for store credit.



At this point, I am very annoyed but no big deal I can wait until later for refund.



* August 1st, I inquire about the current status of my cancellation


* August 2nd, I receive the follwoing from Thomas Salvatore:

Thank you for contacting us and for your patience while we worked out the shipping dates with our
supplier. We have done our best in a challenging situation to deliver your order as quickly as
possible, and are pleased to report that your shipment will be released for delivery between in the
next 1-3 weeks. We appreciate and acknowledge that the wait has been longer than you had hoped. We
have reviewed your request for a refund, but are unable to approve the request. This was a “pre-order”
of mining equipment which, according to the terms of purchase posted on our site when you placed your
order, is non-refundable if cancelled. Those terms located at http://minersource.net/pages/contact-us,
explicitly notified buyers that delivery dates were not guaranteed, and that buyers should not rely on
them as a factor in making the decision to place an order with us. Nevertheless, we recognize that this
has caused inconvenience, and have worked with our supplier to add additional compensation units to your
order, free of charge. These will be included in later shipment, to be sent to you after shipping of all
orders has finished, free of charge. Again, we are sorry that this order took so long to fulfill, and
encourage you to contact us with any additional questions.

* August 2nd, I reply with:

I dont want the order I was inquiring about my cancellation.

* August 4th, Dan Murtha responds with:

Thank you for contacting us and for your patience while we worked out the shipping dates with our supplier.
We have done our best in a challenging situation to deliver your units as quickly as possible, but understand
that you have now decided to refuse to accept delivery. While we appreciate and acknowledge that the wait has
been longer than you had hoped, this was a “pre-order” of mining equipment which, according to the terms of
purchase posted on our site when you placed your order, is non-refundable if cancelled. Those terms explicitly
notified buyers that delivery dates were not guaranteed, and that buyers should not rely on them as a factor in
making the decision to place an order with us. We encourage you to accept delivery of your pre-ordered product
because we are not approving refund requests at this time. We recognize that this has caused inconvenience, and
have worked with our supplier to add an additional compensation units to your order, free of charge. These will
be included in the shipment sent to you. Again, we are sorry that this order took so long to fulfil, and encourage
you to contact us with any additional questions.

The next day I leave town for work. I came back yesterday and find that my X-1 is scheduled for delivery 8/22. Not sure what to do,
if I refuse it I don't know how I will be able to go after them for my funds since I paid in bitcoin.
CryptoGuy
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August 21, 2014, 05:25:33 PM
 #6355

If you have proof that you requested your refund prior to them shipping it to you then I would refuse delivery. There are laws in the US that protect consumers from receiving unwanted merchandise. If everyone who requested a refund refuses delivery they will have to do something about it and they won't be able to sweep it under the rug.

And on top of that, MS is going to be paying all those extra shipping costs to return them. They're really shooting themselves in the foot here by not communicating.

<Insert favorite coin here>
sorehammer
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August 21, 2014, 06:23:07 PM
 #6356

You have way too much time on your hands chap.

.
PLAY
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thomas_s
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August 21, 2014, 06:35:12 PM
 #6357


Could you explain the reasoning behind posting that picture?

EDIT:  OOPS, didn't put BA down in this post, BA sucks and are scum...There I feel better.
Hmm not really sure, I guess he wants me to say my dad works for an airline and I have friends that work at American that can get me an upgrade when I'm traveling on vacation.

Also the picture of me is nice, a nice selfie from back in high school.
sorehammer
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August 21, 2014, 06:36:02 PM
 #6358

more like your doing a runner with all the loot lol

.
PLAY
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kodeon.CEO
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August 21, 2014, 07:46:39 PM
 #6359

BA just sent me an update about my refund I requested in April.

"As per Management’s update, we cannot afford to send refunds as we've spent all money to purchase parts required to build the miners. If we cancel your order we have nothing to do with the cases, power supplies and other goods that have been manufactured just for your order. For this reason it is difficult for us to refund everything.

We would like to offer to ship you ASICs instead and we can dispatch them immediately.
We exchange 120 ASICs for 1 x3 or 7 ASICs for 1 x1. Note that should you choose this option you are forfeiting the compensation previously announced.

Kindly let us know what you prefer so we can proceed immediately, thank you.

Sincerely,
Sylvia"

even though they said on 12th of june...

"The refund can be done only after we ship 1st batch of the hardware not early, as money collected are not just kept in bank account, but spent for the production.

We understand your concerns also your situation, and be assured that all efforts to expedite everything and I would ask you kindly to wait until we ship our devices 1st batch which is not far off from now and then your refund can be issued.

Please feel free to contact us anytime for further questions, thank you.

Best Regards,
Sylvia"

How can they tell me that they are going to refund me and then not, this company manages to stun me every time.
kodeon.CEO
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August 21, 2014, 08:10:43 PM
 #6360

Because they are a giant scam and know there products are worthless now which is why they would rather illegally refuse your refund and instead opt to send you their out of date crap.

As to what you can do, start complaining to government bodies, there is a thread somewhere that has the pertinent bodies to address complaints to, and hope they do something.

Yeah, It's annoying because I know a couple of solicitors but they don't deal with these kind of situations. The question is, is it worth getting what ever I can get from them  while I can, at least if they ship products they wont be able to try and sell them to someone else be used again for another quick profit.
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