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Author Topic: Swedish ASIC miner company kncminer.com  (Read 3045502 times)
bobsag3
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June 25, 2014, 04:47:58 PM
 #35941

The Dell Zp750s and HP DPS800/1200/2000's work very well for powering the neptunes, nothing but pure 12v power.
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June 25, 2014, 05:09:07 PM
 #35942

Agreed, miners typically pull more than standard power on the pcie cables and therefore should always be using single rail PSUs (apart from maybe the new Antminer S3).

Mining isn´t dead when new miners don´t get ROI, it is when everyone (atleast a large percentage) stops mining due to power costs being higher than bitcoins generated.

There are frequent cases of people not reaching ROI, and most Neptune customers should not reach ROI at todays market, with more big deployments right around the corner.
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June 25, 2014, 05:27:34 PM
Last edit: June 25, 2014, 05:41:20 PM by Phoenix1969
 #35943

Yeah, on ROI... Looks like Neptune may or may not make even 5 btc... if it runs perfect.
30% estimated change with a few days to go, and the next few diffchanges look to be similar
Looks like mining just got stomped into commercial and private clouds by all the manufacturers who decided to mine for themselves.
cough cough
With 43 cent electric here, no way mining in Hawaii is profitable anymore
It would be cheaper for me to rent an office or storage unit in Chelan where it's 2.4cents, but difficulty says forget mining imho.

I'm done. As soon as these Neppies ship out, I'll be turning my attention elsewhere. (trading for now)
Good luck to all, and thank you to those who "put up" with me for the last year plus.
If anything, made a few cool friends...   *Aloha.*


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samsonn25
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June 25, 2014, 05:36:40 PM
 #35944

Agreed, miners typically pull more than standard power on the pcie cables and therefore should always be using single rail PSUs (apart from maybe the new Antminer S3).

Mining isn´t dead when new miners don´t get ROI, it is when everyone (atleast a large percentage) stops mining due to power costs being higher than bitcoins generated.

There are frequent cases of people not reaching ROI, and most Neptune customers should not reach ROI at todays market, with more big deployments right around the corner.


Let's not forget the initial cost of the machines themselves. They are not free
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June 25, 2014, 05:38:02 PM
 #35945

Hello

If any one has added proper heatsinks to the Neptunes VRMs as of yet I would be very interested in knowing the reduction in temperatures.
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June 25, 2014, 05:39:18 PM
 #35946

Let's not forget the initial cost of the machines themselves. They are not free

KNC would disagree, they got paid to have equipment and mine with it. A lot of it.

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June 25, 2014, 07:20:46 PM
 #35947

I'm scared because I got a refund on one order recently, but regrettably switched another order to a Titan in April. At the downward spiral rate that KNCMiner is going, I am afraid that they will continue to pull sketchy tactics or even worse not deliver. I think its nearly impossible to get a Titan refund at this point.

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June 25, 2014, 07:38:49 PM
 #35948

Without profit mining is dead. When mining dies, the network dies.

That's why I wonder if Wall street crowd realizes what they are doing in pushing down the price?
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June 25, 2014, 07:46:46 PM
 #35949

This debate is a joke.

Basically, mining is a hedged investment on Bitcoin, and your profit is lower but your risk is also lower than purely investing in Bitcoin.

Furthermore, you help stabilize and secure the network aswell as verify transactions.

Buy and hold is nice, and many miners also do this, but the positive impact on the Bitcoin system is very limited.

You can mine and do all the things you suggest AND recover your costs or you can mine and not recover your costs.

Which would *YOU* rather do Collider ?

Without profit mining is dead. When mining dies, the network dies.

This is why honest ROI discussions are so important. The future of bitcoin depends on mining being economically sustainable.

Those vendors who avoid ROI discussions, take advantage of people's ignorance or otherwise exploit their customers are doing bitcoin a grave disservice. Its easy to talk the talk, how many of them are walking the walk ?





I agree with this guy ^^^^

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June 25, 2014, 08:02:04 PM
 #35950

Without profit mining is dead. When mining dies, the network dies.

That's why I wonder if Wall street crowd realizes what they are doing in pushing down the price?


If I had to guess as to why there could be forceful artificial devaluation, I would say it's to push out the little people and help make it more centric to the people with power, money and influence

Also, to buy more for less.

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June 25, 2014, 08:12:55 PM
 #35951

Also any details about the fan of Neptune to buy some replaced it?

fan = 140mm by 25mm thick  12V 0.4A  4 pin
(4 pin usually means PWM)

YMMV
Smiley

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June 25, 2014, 08:20:12 PM
 #35952

Without profit mining is dead. When mining dies, the network dies.

You are wrong. Mining will continue to run even if it will run on red. Just need to find someone to pay for electricity costs.

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June 25, 2014, 08:40:44 PM
 #35953

its nearly impossible to get a Titan refund at this point.


Per their ToS it is, but just be persistent yet polite and they may change their mind. You may find someone human over there that may care a smidge and do the right thing.
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June 25, 2014, 08:53:14 PM
 #35954

Can I use longer cables for the controller to Neptune box link?  Do they have to be that short?  I would like to have a little more space to work with.


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June 25, 2014, 09:20:35 PM
Last edit: June 25, 2014, 09:40:40 PM by tolip_wen
 #35955

First impressions before power up.

The controller 'enclosure' is FRUGAL TO A FAULT.
All they did was slap a clear cover over the top.
The bottom is exposed PCB.
The only thing 'elevating' the bare PCB from perhaps a metal table is 4 snap in plastic legs that hold the clear top up.
The sides are open also.

The ASIC case is steel, claim of 'stronger' probably accurate.

Looking inside first cube can see the monkies cranked the heatsink down so tight that the brand new ASIC PCB is low in the center and high at the corners. Brand fuckin new PCBs warped by basic assembly.
I imagine it'll work OK the Oct units got the same abuse and 'most' survived.
The screws holding heatsink plate in place are glued or cross threaded.
I'll need to dig out my long t-handle T10 torx to get em out.

Only 5-7 mm clearance below ASIC PCB (5mm in center below ASIC, 6-7mm at the corners.
Only 8mm between top of heatpipes and inside of case.
This limits adding height (M3 male/M3 female hex standoff) to them, else cut a hole for the pipes to stick out the top.
Raising the PCB is a must do in my book. 6mm clearance starves the bottom of PCB for air.

5 out of 6 of the case screws on the first cube were stripped during assembly.
I'm using a small jewelers style torx handle with only my finger tips (not abused by me)
It looks as if the inside hole is too big for the self tapping screws they used on the thin steel.

About what I expected for fit and lack of finishing touches mechanically.
(I set the bar low)

Time for the smoke test.
If I don't return soon with twisted panties it prolly means ASICs passed basic testing.

It may be a while for more reporting from me as  I have NMI's this side of screen.

YMMV
Smiley

EDIT # 1 ) The stripped case screws means there ARE metal shavings somewhere that used to be part of the case.

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tolip_wen
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June 25, 2014, 09:26:28 PM
 #35956

Can I use longer cables for the controller to Neptune box link?  Do they have to be that short?  I would like to have a little more space to work with.



Can often go a few feet with ribbon cables.
You can probably raise the SPI voltage to compensate up to a point.
If you have longer cables just try it, I doubt it would damage.

YMMV
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June 25, 2014, 09:31:03 PM
 #35957

Nice report tolip. These guys must assemble farm machinery the rest of the time.

Good luck with power up.

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June 25, 2014, 09:50:07 PM
 #35958

Yeah, on ROI... Looks like Neptune may or may not make even 5 btc... if it runs perfect.
30% estimated change with a few days to go, and the next few diffchanges look to be similar
Looks like mining just got stomped into commercial and private clouds by all the manufacturers who decided to mine for themselves.
cough cough
With 43 cent electric here, no way mining in Hawaii is profitable anymore
It would be cheaper for me to rent an office or storage unit in Chelan where it's 2.4cents, but difficulty says forget mining imho.

I'm done. As soon as these Neppies ship out, I'll be turning my attention elsewhere. (trading for now)
Good luck to all, and thank you to those who "put up" with me for the last year plus.
If anything, made a few cool friends...   *Aloha.*

Aloha too

each time you send a transaction don't forget to use a new address, each time you receive one also!
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June 25, 2014, 11:31:12 PM
 #35959

Peeps....
I thought every miner knew....

You should only use SINGLE RAIL PSU'S
anything else you are wasting $ and taking huge risks imho

Multi-rail PSU's are SHIT,
I burnt out a couple last Generation before going to all Corsair single-rail
Even when the multi's "worked", they could not keep up with the rest
Even 5 year old-crappy used HP desktop PSU's were better. Just sayin'

This the first time I have heard about Single and Multi-Rail PSU's. LOL

So can you or someone provide something that demonstrates the physical difference between these types?

Thanks,
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June 25, 2014, 11:46:08 PM
 #35960

You can't tell from the outside.  It's the inside.  You have to know the specifications of that particular psu. Most higher end and high end psu will be single 12v rail.
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