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Author Topic: Black Arrow 28nm 100Ghash Bitcoin ASIC from $0.49/GH/s  (Read 787025 times)
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Scrappy Do
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July 09, 2014, 03:19:00 AM
 #5361

We will probably end up trying a watercooled system using PC parts due to the socket size... should at least look cool!

Are there are quad head water coolers out there? That might be interesting.

Would go with 4 individual blocks, linked 2x2 is seriers to 2x 240 Rads.

Blocks: 4x http://www.frozencpu.com/products/16395/ex-blc-1153/Alphacool_NexXxos_XP_Light_CPU_Liquid_Cooling_Block_-_Acetal_Edition_-_Intel_AMD_12153.html?tl=g30c325s1118

Pump: 2x http://www.frozencpu.com/products/9898/ex-pmp-92/Bitspower_Mini_Water_Tank_Plus_DDC_Pump_Attachement_Reservoir_w_Filter_-_Acetal_Cap_BP-DDCT2-CL.html?tl=g30c107s152

Rads: 2x http://www.frozencpu.com/products/14327/ex-rad-315/XSPC_EX240_Dual_120mm_Low_Profile_Split_Fin_Radiator.html?tl=g30c95s160

I know its expensive and highly impractical.. dont care.
Plus you can pay in BTC

 I ask again... Is it possible for 2 of your dell power supplies to pull off 3 of them. I truly believe so, and as a buyer of them, I want to know if I buy 18 of them that I have enough power.....
dogjunior
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July 09, 2014, 03:48:34 AM
 #5362

We will probably end up trying a watercooled system using PC parts due to the socket size... should at least look cool!

Are there are quad head water coolers out there? That might be interesting.

Would go with 4 individual blocks, linked 2x2 is seriers to 2x 240 Rads.

Blocks: 4x http://www.frozencpu.com/products/16395/ex-blc-1153/Alphacool_NexXxos_XP_Light_CPU_Liquid_Cooling_Block_-_Acetal_Edition_-_Intel_AMD_12153.html?tl=g30c325s1118

Pump: 2x http://www.frozencpu.com/products/9898/ex-pmp-92/Bitspower_Mini_Water_Tank_Plus_DDC_Pump_Attachement_Reservoir_w_Filter_-_Acetal_Cap_BP-DDCT2-CL.html?tl=g30c107s152

Rads: 2x http://www.frozencpu.com/products/14327/ex-rad-315/XSPC_EX240_Dual_120mm_Low_Profile_Split_Fin_Radiator.html?tl=g30c95s160

I know its expensive and highly impractical.. dont care.
Plus you can pay in BTC

Go big or go home. I like it.
ORabbit
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July 09, 2014, 04:46:42 AM
 #5363

I am going to try the waters with converting 4 x-1 units into 3 technobit boards.  Wish me luck!

 Brother I am with ya. I am swapping 2 x3's as we speak. I had to get a loan for the $13k conversion to 200 chips. But then, I bought 4th/s and they made it 6th/s and now with the chips and additional money, its 25 th/s. This seems good to me.. am I wrong?

200 chips is 20 TH/s, not 25. I hope that doesn't douse your campfire.
Lexx2k
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July 09, 2014, 06:06:30 AM
 #5364

I am going to try the waters with converting 4 x-1 units into 3 technobit boards.  Wish me luck!

 Brother I am with ya. I am swapping 2 x3's as we speak. I had to get a loan for the $13k conversion to 200 chips. But then, I bought 4th/s and they made it 6th/s and now with the chips and additional money, its 25 th/s. This seems good to me.. am I wrong?

200 chips is 20 TH/s, not 25. I hope that doesn't douse your campfire.

Actually around 22 - 24 TH/s depends on the luck.
mazedk
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July 09, 2014, 07:30:15 AM
 #5365

We will probably end up trying a watercooled system using PC parts due to the socket size... should at least look cool!

Are there are quad head water coolers out there? That might be interesting.

Either buy a 9x120mm and or a 4x120mm radiator - with proper thickness and heat removal capabilities.

If you can put enough air through the 9x120mm, and run a few loops it should be possible to cool 2x4minion boards.

Remember a good size tank also.
miningforge
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July 09, 2014, 08:10:38 AM
 #5366

Like to know where to reach you guys and how to order some samples IC's

please reply to info@miningforge.com

Kuttingcorners
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July 09, 2014, 08:34:18 AM
 #5367

seems like if it was so easy to slap the chips together black arrow would do it . I don't really know anything technically but from a business point of view it seems pretty sketchy . To the guy taking a loan i would advise against it , you could sell your chips around 25 bux and buy around 12 s3's. To me something so risky isn't a good idea with borrowed money but i guess you could go for the gold!!!
Vcore
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July 09, 2014, 09:11:18 AM
 #5368

We will probably end up trying a watercooled system using PC parts due to the socket size... should at least look cool!

Are there are quad head water coolers out there? That might be interesting.

Would go with 4 individual blocks, linked 2x2 is seriers to 2x 240 Rads.

Blocks: 4x http://www.frozencpu.com/products/16395/ex-blc-1153/Alphacool_NexXxos_XP_Light_CPU_Liquid_Cooling_Block_-_Acetal_Edition_-_Intel_AMD_12153.html?tl=g30c325s1118

Pump: 2x http://www.frozencpu.com/products/9898/ex-pmp-92/Bitspower_Mini_Water_Tank_Plus_DDC_Pump_Attachement_Reservoir_w_Filter_-_Acetal_Cap_BP-DDCT2-CL.html?tl=g30c107s152

Rads: 2x http://www.frozencpu.com/products/14327/ex-rad-315/XSPC_EX240_Dual_120mm_Low_Profile_Split_Fin_Radiator.html?tl=g30c95s160

I know its expensive and highly impractical.. dont care.
Plus you can pay in BTC

Those radiators are really nice, even only one should perform quite well with 4 minions but I wouldn't use that pump. If you want to save more or anyone else is building a watercooling, a car heater radiator performs just as well as the most expensive computer radiators.

A koi pond pump would beat the crap out of it for about the same price. Just one of those pumps could service 30 minions in a properly designed setup.

I am developing a dual purpose phase change evaporator / waterblock and if you are interested I could hook you up with a prototype.
The current one is underperforming in the flow ressistance tests with water but I have narrowed down the problem and I am working on a solution.

I hope to reach my performance targets soon but meeting the needs of phasechange, watercooling and having a cheap and easy to assemble design is hard.

I think that watercooling is quite practical and a good investment due to the reuse factor, I have been using the same pump and radiator since year 2000 and even my original aluminium waterblock would have suficed with reduced performance but stil better than air.
In a crowded datacenter it would make even more sense as you could reduce the air conditioning bill by a lot if you place the radiator outside and you could use car or truck radiators with a nice and big pump (or several in parallel to increase the reliability).  It can also be cheap, as I have said the pumps and radiators can be shared and cheaper that those sold by computer companies and if you diy the waterblocks it is not expensive at all.

mazedk
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July 09, 2014, 10:15:33 AM
 #5369

I seriously doubt one of those 240mm rads will handle 400w very well..

Do you have any figures to back it up?
y_boonstra
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July 09, 2014, 10:16:12 AM
 #5370

If your going to watercool your board keep in mind that its very bad to combine aluminium and copper in the same loop !!!!!!
The aluminium will be desolved in time by the copper..

i have been watercooling my PC for almost 10 years now..
ORabbit
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July 09, 2014, 11:37:05 AM
 #5371

I am going to try the waters with converting 4 x-1 units into 3 technobit boards.  Wish me luck!

 Brother I am with ya. I am swapping 2 x3's as we speak. I had to get a loan for the $13k conversion to 200 chips. But then, I bought 4th/s and they made it 6th/s and now with the chips and additional money, its 25 th/s. This seems good to me.. am I wrong?

200 chips is 20 TH/s, not 25. I hope that doesn't douse your campfire.

Actually around 22 - 24 TH/s depends on the luck.

From Black Arrow, maybe, but these MartoMinersTM are doing a pretty steady 400 GH/s. I haven't seen one go higher. Can anyone refute this?
Vcore
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July 09, 2014, 11:38:44 AM
 #5372

I seriously doubt one of those 240mm rads will handle 400w very well..

Do you have any figures to back it up?

I am just going by my 360mm heater core radiator performance, I have dumped 1KW on it by watercooling a condensor before without problems. It is a matter of having the right water and airflow. I had 4 fans in pushpull so I was just using 240mm of the radiator and a 1000L/h pump and was just about 15ºC over ambient....

marto74
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July 09, 2014, 11:39:48 AM
 #5373

I am going to try the waters with converting 4 x-1 units into 3 technobit boards.  Wish me luck!

 Brother I am with ya. I am swapping 2 x3's as we speak. I had to get a loan for the $13k conversion to 200 chips. But then, I bought 4th/s and they made it 6th/s and now with the chips and additional money, its 25 th/s. This seems good to me.. am I wrong?

200 chips is 20 TH/s, not 25. I hope that doesn't douse your campfire.

Actually around 22 - 24 TH/s depends on the luck.

From Black Arrow, maybe, but these MartoMinersTM are doing a pretty steady 400 GH/s. I haven't seen one go higher. Can anyone refute this?
They go up to 120 per chip but the power consumption is going up Wink
I like MartoMiners TM BTW Smiley

http://technobit.eu
tips : 12DNdacCtUZ99qcP74FwchaCPzeDL9Voff
ORabbit
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July 09, 2014, 12:30:46 PM
 #5374

I am going to try the waters with converting 4 x-1 units into 3 technobit boards.  Wish me luck!

 Brother I am with ya. I am swapping 2 x3's as we speak. I had to get a loan for the $13k conversion to 200 chips. But then, I bought 4th/s and they made it 6th/s and now with the chips and additional money, its 25 th/s. This seems good to me.. am I wrong?

200 chips is 20 TH/s, not 25. I hope that doesn't douse your campfire.

Actually around 22 - 24 TH/s depends on the luck.

From Black Arrow, maybe, but these MartoMinersTM are doing a pretty steady 400 GH/s. I haven't seen one go higher. Can anyone refute this?
They go up to 120 per chip but the power consumption is going up Wink
I like MartoMiners TM BTW Smiley

Good to know. Thanks.
bobsag3
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July 09, 2014, 02:07:27 PM
 #5375

I am going to try the waters with converting 4 x-1 units into 3 technobit boards.  Wish me luck!

 Brother I am with ya. I am swapping 2 x3's as we speak. I had to get a loan for the $13k conversion to 200 chips. But then, I bought 4th/s and they made it 6th/s and now with the chips and additional money, its 25 th/s. This seems good to me.. am I wrong?

200 chips is 20 TH/s, not 25. I hope that doesn't douse your campfire.

Actually around 22 - 24 TH/s depends on the luck.

From Black Arrow, maybe, but these MartoMinersTM are doing a pretty steady 400 GH/s. I haven't seen one go higher. Can anyone refute this?
They go up to 120 per chip but the power consumption is going up Wink
I like MartoMiners TM BTW Smiley

+1 for MartoMiners
You should be able to do 120 @ 1w/gh, the X1s I have are doing 120 @ 110w and that includes controller and fan
sorehammer
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July 09, 2014, 02:08:47 PM
 #5376

Hey bobsag3 have you put me in the group buy Smiley

.
PLAY
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MrTeal
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July 09, 2014, 02:21:15 PM
 #5377

I seriously doubt one of those 240mm rads will handle 400w very well..

Do you have any figures to back it up?
A 240mm radiator will likely have no issue with 400W unless it's complete junk. I've put 600W (and up to 800W) through a closed loop all in one cooler just by upgrading the fans, and that's also through a single waterblock.
notindexed
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July 09, 2014, 03:36:53 PM
 #5378

Hi Miners ! For your info, my X-1s are on their way home ! From Ethos Logic !


Order ID: 3XX

Date Ordered: XX/YY/2014

 Your order has been updated to the following status:
 Shipped

 To view your order click on the link below:
https://shop.logicet...fo&order_id=3XX
 The comments for your order are:

 DHL Tracking 8935XXXXXX
 Please reply to this email if you have any questions.

 

If I am lucky I will get them tomorrow or Friday.

Cheers !

Did you actually order from Ethos Logic, or direct from BAS? When did you place & pay for your order? Logic Ethos signed up a  reseller long after I placed my order with BAS I believe and I still have had no site of or sign or my order, which is why I gave-in and requested a refund yesterday. Can't understand why the queue isn't being honoured in order.

As u can see orderdate xxxx2014 ...
Ordered last year directly from BA too.
Opted for a refund too, it's yet again a slap in the backers face not respecting the preorder queue.
No 100% completed hardware (lcds missing and alike) a joke of a compensation and no respect nor communication towards the ones that funded all this.
Byebye BA
bobsag3
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July 09, 2014, 03:51:11 PM
 #5379

400 Chips have arrived here as of this morning, looks like X1s are tomorrow.
CryptoGuy
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July 09, 2014, 04:08:10 PM
 #5380

Hi Miners ! For your info, my X-1s are on their way home ! From Ethos Logic !


Order ID: 3XX

Date Ordered: XX/YY/2014

 Your order has been updated to the following status:
 Shipped

 To view your order click on the link below:
https://shop.logicet...fo&order_id=3XX
 The comments for your order are:

 DHL Tracking 8935XXXXXX
 Please reply to this email if you have any questions.

 

If I am lucky I will get them tomorrow or Friday.

Cheers !

Did you actually order from Ethos Logic, or direct from BAS? When did you place & pay for your order? Logic Ethos signed up a  reseller long after I placed my order with BAS I believe and I still have had no sight or sign of my order, which is why I gave-in and requested a refund yesterday. Can't understand why the queue isn't being honoured in order.

Because the resellers are subject to easy to pursue lawsuits since they're not located in China.

<Insert favorite coin here>
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