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21  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 24, 2014, 01:42:09 PM
Received 1TH CPP unit last thursday.

Now there's quite warm... ambient temp in the room 28C, with extra front fans all three 1TH desks run between 50-55C in "turbo light".
Suck in outside air (maybe via a hose) might help...
22  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 24, 2014, 11:06:47 AM
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!
23  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 23, 2014, 07:49:45 PM
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?
24  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 23, 2014, 10:56:28 AM
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.
25  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 23, 2014, 06:20:49 AM
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...
26  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 21, 2014, 04:55:06 AM
Some figures: currently, with 3x 1 TH/s desks we are producing approx. 1.33 Bitcoin/week, (€438/week based on 1 Bitcoin = €330) costing in NL €110 euro per week on electricity (paying €0.20/kwh).

So per desk that is (with the current difficulty) approx. € 109 / week profit (to pay of the initial investment of approx € 3000 / desk including pickup cost and additional received CCP), with increasing difficulty level it will be difficult (or impossible?) to gain back the initial costs but it is an interesting adventure... Unless the bitcoin price is going up (substantially), then their would be a chance to gain some profit...

Wink

Just curious ... where are you mining?
BTC Guild
27  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 20, 2014, 07:11:07 PM
Some figures: currently, with 3x 1 TH/s desks we are producing approx. 1.33 Bitcoin/week, (€438/week based on 1 Bitcoin = €330) costing in NL €110 euro per week on electricity (paying €0.20/kwh).

So per desk that is (with the current difficulty) approx. € 109 / week profit (to pay of the initial investment of approx € 3000 / desk including pickup cost and additional received CCP), with increasing difficulty level it will be difficult (or impossible?) to gain back the initial costs but it is an interesting adventure... Unless the bitcoin price is going up (substantially), then their would be a chance to gain some profit...

Wink
28  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 20, 2014, 06:59:44 PM
I attempted to upgrade my desks with version 20140425170710 as advertised on the support page but I notice on the desk I have 201404251907 (even after the upgrade).  I'm not sure if the version on the desk is actually newer because the file name seems to indicate a date and timestamp and the version on the desk should then be of 19:07 and the version on their site of 07:10 (both from 25/05/2014)?

I'm a bit puzzled...
29  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 19, 2014, 06:55:49 AM
Thanks again johnny, i opened it up and it said that its was dual voltage 110/220. but now i have another issue,

when it boots all i get is the below image, no IP address or anything appearing. fan isn't even turned on.

has anyone had this problem before?


I believe some wires inside the box may be loose, just open it and check...
Check if the Raspberry Pi board is properly piggy backed on the little red board below it, mine was loose as well in one of the desks.  After fitting it properly all was well and the machine was booting op in 15 seconds...
30  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 19, 2014, 05:47:29 AM
Hi all, 

Ordered in December, orde4327, received it today. 400Ghz pushed upto 600GHs with CCP. Attached are the photos.

Although can someone tell me what voltage it needs? in Saudi we use both 110V and 220V, what should i plug the coincraft desk into?

It depends on the fuse you have on which voltage. This 600 Watt you can run on both. take the 220 V, its better for you, when you dont have any other big machines connected to that fuse.

Hey johnnu thanks for responding,

but i dont understand what you mean. i have 2 wall sockets, 1 running at 110V and another running 220V, which should i plug the device into? i know that plugging it into the wrong voltage would damage it.
take the 220v...
31  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 18, 2014, 11:12:14 AM
Sad angry rant deleted!
My own text deleted
More angry cry baby text deleted.  Cry
I'm not your dude ... For your information, i invested in BTC and in Bitmine the first time (Avalon clones). I got my machines late, I even visited in their offices to talk to them. They are nice guys, they try their best. I don't want to repeat myself (read my text above again), otherwise I sound like you, a retard with no clue.

So continue dreaming and crying, I couldn't care less.  Grin

   oen4many
don't even bother reading all the winding, just press the ignore link...
32  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 18, 2014, 05:01:05 AM
The SD card image can be downloaded from:
https://mega.co.nz/#!pVtGGCwD!z_L2dMPP1Zl9VuvJLqZIkOyxTltyQUMdIGEyD7pW64E

can be used for read/write with
http://sourceforge.net/p/win32diskimager/wiki/Home/.


Great posting, I'm surely going to try your image!!!

However I'm not able to download it from the Mega site though, it is not starting the actual download.  I might the OS + cgminer using your script this week and give it a try...

=> edited: just be able to download it using Firefox (I'm using Chrome normally), thanks!!!
33  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 17, 2014, 06:31:35 AM
Hi all,

After a very nice and long drive from the Netherlands to the beautiful Swiss we were able to visit lake Locarno (which is 15 mins from the offices of Bitmine AG):



Some info on the 3 1TH/s desks and other statistics to give you an idea of how things are going so far...

The three rigs are now hashing away happily.  Temperatures per rig vary a little due to height of installation of the desks in the garage.



I had two desks running all night consuming 25 kWh (app € 5 costs) and producing €11.50.  This morning miner 3 joined (I had to reroute from another wall outlet to spread the load a bit from our net over different groups). Power consumption chart from the "slimme meter" (please not the 3rd desk being added at 07:45 increasing another 1.1 kW/h load).



Here the dashboard of the lowest positioned desk (the other two desks are comparable but running a bit hotter at approx. 60 C):



Last but not least some statistics of the three cgminer engines (note miner 3 was just started at that time):



The miners were running is the "standard" mode and are doing fine so far...
34  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 17, 2014, 04:38:32 AM
Hello RoboRob67 !

If you did this long trip to the Bitmine AG locations, why didn't you picked up your Coincraft RIG ?
The production of the RIGs has even started ?

I didn't get the impression RIGs were produced for customers yet...
35  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 16, 2014, 09:17:49 PM
I picked up my 2 replacement desks (instead of the ordered rig) of order 43xx today + 1 compensation desk.  The fact that we had to pay 8% VAT at delivery was a surprise to me (since we were exporting the devices) but we came to a mutual acceptable agreement on it.

Delivery of the desks was smooth, they were carefully packed, carried for us to our car and free coffee was provided.  Small tour through the facilities was also included.

We had a small issue with one of the internal Raspberry Pi units occurred while plugging in the LAN cable in one of the desks but that was quickly resolved by putting the RPi board back in as intended.

All and all a long drive but worthwhile making the trip.  The desks are now humming in their rack producing the first fractions of bitcoins...

photo's will follow later...
36  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 15, 2014, 03:02:46 PM
Does anyone has a download/scan/photo of the ToS as of November or December 2013?

yes -> i have a pdf print...

This was a March 7th, 2014 version, now available at: http://www.ncrs.nl/downloads/Terms_of_Sale.pdf (thanks to Wolke)

When someone has a Nov/Dec 2013 version I still would be interested...
37  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 15, 2014, 01:40:51 PM
Does anyone has a download/scan/photo of the ToS as of November or December 2013?
38  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 13, 2014, 06:03:39 AM

Are you happy about the difficulty in comparison to the difficulty in January?


I think this is not fair, that is why the extra CPP is delivered...

I think Bitmine has a lot to learn about how to do business and especially how to communicate to their customers but on this point they compensate the loss...
39  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: May 10, 2014, 09:09:50 AM
What are the dimensions of the coincraft desk version (w x h x d) and what is the appr. weight?
40  Bitcoin / Hardware / Re: Official BITMINE CoinCraft series 28nm ASIC miners thread on: April 24, 2014, 11:25:29 AM
Has anyone had a rig delivered yet?
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