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Author Topic: Swedish ASIC miner company kncminer.com  (Read 3039472 times)
RoadStress
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July 24, 2014, 03:57:20 PM
 #36961

They have to offer full refunds; unless they offer 10% refund for 10% speed reduction I guess?

More importantly their power spec is going to be screwed; I always said 0.34 W/GH/s was going to be ball crap even at chip... does this make Neptune the most efficient ASIC chip?

Not to mention their 2x1200w PSU somehow delivering 2500w nominal power 24/7.

u27

I don't want a full refund and I'm sure that a big part of the customers are the same. As for Neptune being the most efficient ASIC chips we don't have final numbers yet, but at least the SP30 are available while the neptune are very scarce.


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July 24, 2014, 04:04:26 PM
 #36962

go f.... every other hardware company Tongue Tongue Tongue Tongue Tongue Tongue Tongue
i had my neptune hashing at 3.5-3.6 th at wall is 1750w


go knc go Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin

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July 24, 2014, 04:14:11 PM
 #36963

go f.... every other hardware company Tongue Tongue Tongue Tongue Tongue Tongue Tongue
i had my neptune hashing at 3.5-3.6 th at wall is 1750w


go knc go Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin Grin

You (same as me, but refunded) paid 12.5k$ for that neptune and you are hashing for 3 weeks, while I paid 19k$ for 3xSP30. I have a feeling I will get my ROI before you.

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tolip_wen
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July 24, 2014, 06:29:06 PM
 #36964

SNIP
 If you're averaging anywhere near 3.5Th/s you should be happy. Most Don't.
My Brothers' Neppies "top out" at about 3.45Th/s each.

We figured any downtime of the machines spent on cooling tweaks wouldn't pay for itself by overcoming what was lost during the downtime, there just aren't enough gains to justify it.
With that in mind, We don't even like re-booting for the same reasons. The way things are at start-up, it makes my asshole pucker every time hoping the PSU's provide enough kick to get all the asics going. But I'm pretty satisfied on the performance being what it is, they seem to chug right along without any hiccups once they get going. We have over 10 days nonstop "Uptime" since the air-con kicked the breaker on day 2, which wasn't any fault of the Neppies; and despite running in a HOT garage, they continue to perform without any need for "tweaking."

3.45 to 3.55 is ~ 2%

2% of 1 day is 28.8 minutes.

If 28.8 minutes of downtime 'gross' 2% you come out even 'net' in a day or two.
(assume days are within same diff period)
From the break even point forward is free of downtime 2% gain.
This ALSO assumes you let the other 4 ASIC idle the whole time you mod.

So I guess it depends on if you need parts also and cost of parts.

Agree, no NEED for the extra 2%, just extend date of (possible?) ROI with 2% less GH/s in calcs.

PLEASE NOTE
You must first subtract percentage of non functioning core from 3.6 to know what is available.
Each 72 sleeping core is 1% off the top.
I have 16 sleepers so <0.25% or ~3.59 possible.
I have <0.7% HW so ~3.56 is expected.
I am within an "RCH" of expected.
From where I am NOW a few minutes of downtime may matter.
From where I WAS my downtime was worth it.

To ever go beyond 3.6 will require a larger percentage of the power budget.
Hot VRM are less efficient and overbuget already.
They are spending 'lifetime' for the interest on loan from 'current bank'.

You may have 10 days uptime on the BBB, I doubt you have 864,000 seconds uptime in cgminer.
You can easily check with
'api-cgminer devs'

Disclaimer:
Decimal points in examples do not indicate accuracy.
They just ballpark approximations.
I have been known to slip a bit here and there but usually round in direction of whatever is worst case.


YMMV
Smiley

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Phoenix1969
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July 24, 2014, 06:34:26 PM
Last edit: July 24, 2014, 06:48:28 PM by Phoenix1969
 #36965

They have to offer full refunds; unless they offer 10% refund for 10% speed reduction I guess?

More importantly their power spec is going to be screwed; I always said 0.34 W/GH/s was going to be ball crap even at chip... does this make Neptune the most efficient ASIC chip?

Not to mention their 2x1200w PSU somehow delivering 2500w nominal power 24/7.

u27

I don't want a full refund and I'm sure that a big part of the customers are the same. As for Neptune being the most efficient ASIC chips we don't have final numbers yet, but at least the SP30 are available while the neptune are very scarce.


What do you mean?  I'm not tryin to be sarcastic or anything... ok?

SP30's are "available?"  Weird. I just read  the opposite here:   http://www.spondoolies-tech.com/blogs/news  end of paragraph 3.
" we are temporarily suspending sales of the SP 30 mining rigs."

and Neptune "scarce?"    batch 3 Neptunes  still up for preorder, and many Neptunes have been delivered, while not a single SP30 has hit the public yet.

Care to re-phrase or explain that statement a bit more because I see exactly the opposite?  





tolip....   pretty sure about the up-time, but we will be able to putty in after friday and tell better


Thanks for the downtime/recoup figures, we will go over the data...


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July 24, 2014, 08:26:41 PM
 #36966


tolip....   pretty sure about the up-time, but we will be able to putty in after friday and tell better

Thanks for the downtime/recoup figures, we will go over the data...


If you seperate results you can better decide where to focus effort if necessary.
(only mentioned as you posted combined results that average below 3.5)
Seperating down to the ASIC is highly subjective with currently available data.

It is best to tackle worst first and recalculate.
If you take an ASIC out of service for any reason can also measure HW error difference.

Regardless of local miner output, pool speed is final arbiter.


YMMV
Smiley

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July 24, 2014, 09:27:54 PM
 #36967

and Neptune "scarce?"    batch 3 Neptunes  still up for preorder, and many Neptunes have been delivered, while not a single SP30 has hit the public yet.
Care to re-phrase or explain that statement a bit more because I see exactly the opposite?  

From what I understood KnC hasn't shipped the whole batch 0 neptunes, while SP30 will be here on time. The fact that KnC still has batch 3 Neptunes still up for preorder with Q3 delivery doesn't mean that they can deliver on time just like they did with batch 0.

Let me know when you get your ROI with your Neptune.

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July 24, 2014, 09:51:00 PM
 #36968

and Neptune "scarce?"    batch 3 Neptunes  still up for preorder, and many Neptunes have been delivered, while not a single SP30 has hit the public yet.
Care to re-phrase or explain that statement a bit more because I see exactly the opposite?  

From what I understood KnC hasn't shipped the whole batch 0 neptunes, while SP30 will be here on time. The fact that KnC still has batch 3 Neptunes still up for preorder with Q3 delivery doesn't mean that they can deliver on time just like they did with batch 0.

Let me know when you get your ROI with your Neptune.
Oh... Well, I had 2 batch zero(CA) come thru Phoenix-ville to be reshipped to the person who bought them,
 and my brothers 2 neptunes were in the late-middle of batch one, which arrived July 9th. (flew over on 10th and had them running steady before midnight after a quick birthday party)
I naturally am led to believe all batch 0 and most of batch one had been delivered before the "chip shortage" was announced


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crashoveride54902
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July 24, 2014, 10:47:36 PM
 #36969

go f.... every other hardware company Tongue Tongue Tongue Tongue Tongue Tongue Tongue
i had my neptune hashing at 3.5-3.6 th at wall is 1750w


go knc go Grin

lol how long of run time is that for? 1 minute? come back after a few hours and tell us how it is doing Wink

Dreams of cyprto solving everything is slowly slipping away...Replaced by scams/hacks Sad
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July 24, 2014, 10:51:38 PM
 #36970

Haha is stable almost 12 hours now
Between 3548 and 3587 gh

Wowwwwwww

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July 24, 2014, 11:23:55 PM
 #36971

Haha is stable almost 12 hours now
Between 3548 and 3587 gh

Wowwwwwww
sweet...  good job
what are all the mods you have done?


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July 24, 2014, 11:47:46 PM
 #36972

and Neptune "scarce?"    batch 3 Neptunes  still up for preorder, and many Neptunes have been delivered, while not a single SP30 has hit the public yet.
Care to re-phrase or explain that statement a bit more because I see exactly the opposite?  

From what I understood KnC hasn't shipped the whole batch 0 neptunes, while SP30 will be here on time. The fact that KnC still has batch 3 Neptunes still up for preorder with Q3 delivery doesn't mean that they can deliver on time just like they did with batch 0.

Let me know when you get your ROI with your Neptune.
Oh... Well, I had 2 batch zero(CA) come thru Phoenix-ville to be reshipped to the person who bought them,
 and my brothers 2 neptunes were in the late-middle of batch one, which arrived July 9th. (flew over on 10th and had them running steady before midnight after a quick birthday party)
I naturally am led to believe all batch 0 and most of batch one had been delivered before the "chip shortage" was announced

I doubt they had gotten trough batch 0 without all the refunds however, seems to be some terrible early yields for 20nm :/
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July 25, 2014, 01:24:03 AM
Last edit: July 25, 2014, 02:55:29 AM by Phoenix1969
 #36973


I doubt they had gotten trough batch 0 without all the refunds however, seems to be some terrible early yields for 20nm :/
   Yeah, I surely expected a higher hashrate than around 680-700Gh/s per asic(3500Gh/s  /5)
but its still above and beyond the 150Gh/s average on the 28nm Jupiter series asics.(600Gh/s  /4)    
So a single 20nm Neppie asic actually hashes faster than an entire Jupiter! (4-----28nm's)
So I'm not really going to agree with "Terrible early yields" just because our dreams of a 6th/s Neptune didn't come true...
The 20nm asic is pretty good actually imho...   but who else has another 20nm asic to compare it to?      Nobody!

Oh Wait!!!  We'll have double Neppie deal 6Th/s per order at least (someday)... lol


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proclivity
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July 25, 2014, 02:58:50 AM
 #36974


I doubt they had gotten trough batch 0 without all the refunds however, seems to be some terrible early yields for 20nm :/
   Yeah, I surely expected a higher hashrate than around 680-700Gh/s per asic(3500Gh/s  /5)
but its still above and beyond the 150Gh/s average on the 28nm Jupiter series asics.(600Gh/s  /4)    
So a single 20nm Neppie asic actually hashes faster than an entire Jupiter! (4-----28nm's)
So I'm not really going to agree with "Terrible early yields" just because our dreams of a 6th/s Neptune didn't come true...
The 20nm asic is pretty good actually imho...   but who else has another 20nm asic to compare it to?      Nobody!

They are definitely pretty good.. when they work. You had better luck than I did, I'm weeks into an RMA for two cubes and a controller card that didn't function. I finally received the controller card but absolutely no news on the cubes.

For tips only - 12QT6zPJM5kQ5piZfn7tyFfcJrbgvSnMLn
user27
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July 25, 2014, 08:35:01 AM
 #36975

I'm weeks into an RMA for two cubes and a controller card that didn't function. I finally received the controller card but absolutely no news on the cubes.

I'm getting the same crap from KfC; not as bad as you but I have a dead die on a cube so it's running at 75% speed. KfC admitted that it's not working properly but refuse to do anything because they say the malfunctioning machine is over 3TH anyway.

I'm now planning to dump it in my buddies Novec and see if I can kick it into action with massive over voltage.

So I'm not really going to agree with "Terrible early yields" just because our dreams of a 6th/s Neptune didn't come true...

Yeild, as in number of usable chips out of the number on the wafer... not the speed of the chips that do work.

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July 25, 2014, 01:47:40 PM
 #36976

 
I'm weeks into an RMA for two cubes and a controller card that didn't function. I finally received the controller card but absolutely no news on the cubes.




I'm getting the same crap from KfC; not as bad as you but I have a dead die on a cube so it's running at 75% speed. KfC admitted that it's not working properly but refuse to do anything because they say the malfunctioning machine is over 3TH anyway.

I'm now planning to dump it in my buddies Novec and see if I can kick it into action with massive over voltage.

So I'm not really going to agree with "Terrible early yields" just because our dreams of a 6th/s Neptune didn't come true...

Yeild, as in number of usable chips out of the number on the wafer... not the speed of the chips that do work.

you might find your posts being deleted, proving him dense like that.

watch how quick mine keep getting duh-leted
nothing to do with that... seriously....  Here I thought it was you because mine were deleted ...  Shocked


user27...   yeah it looks like they did no binning        Angry


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xhomerx10
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July 25, 2014, 02:25:54 PM
 #36977

I'm weeks into an RMA for two cubes and a controller card that didn't function. I finally received the controller card but absolutely no news on the cubes.




I'm getting the same crap from KfC; not as bad as you but I have a dead die on a cube so it's running at 75% speed. KfC admitted that it's not working properly but refuse to do anything because they say the malfunctioning machine is over 3TH anyway.

I'm now planning to dump it in my buddies Novec and see if I can kick it into action with massive over voltage.

So I'm not really going to agree with "Terrible early yields" just because our dreams of a 6th/s Neptune didn't come true...

Yeild, as in number of usable chips out of the number on the wafer... not the speed of the chips that do work.

you might find your posts being deleted, proving him dense like that.

watch how quick mine keep getting duh-leted
nothing to do with that... seriously....  Here I thought it was you because mine were deleted ...  Shocked


user27...   yeah it looks like they did no binning        Angry

 I don't believe they would have skipped that step after fabbing "an industry-first" 20nm ASCI chip.  That would have been downright negligent.  More likely the binning was done and most of the chips ended up in the bin.

 

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July 25, 2014, 03:05:56 PM
Last edit: July 25, 2014, 03:17:46 PM by The Avenger
 #36978

More likely the binning was done and most of the chips ended up in the bin garbage.
^
In case some people didn't understand Smiley


The thing that interests me is whether they ordered enough chips for batches 0, 1 & 2 AND their new datorhalls? If they only managed to squeeze out batch 0 and part of batch 1 from all that, then it's a disaster.

Or did they know the first batch of chips was going to be very poor yield, so ordered only enough for the customer batches?

On Monday it will be 4 weeks since kfc furtively announced they ran out of chips. They spit in their customers faces by not making any announcement for 4 weeks and keeping customers waiting in silence, I think it's disgraceful.

They could have shipped 3TH 28nm miners to their customers in January/February, to truly give their customers the edge.

But they went down the 20nm path to further their OWN greedy plans to have low energy devices for their own cloud hashing mining empire. They screwed over all their customers, new and old.

The fact that they have to throw most of their 20nm chips out in the garbage is poetic justice. I hope 20nm is a massive money pit for them and the Swedish government obliterate them with taxes  Grin That's how most gangsters get caught, in the end Wink

"I am not The Avenger"
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kendog77
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July 25, 2014, 06:31:46 PM
 #36979

It would be pretty amazing if Knc switched directions and starting selling in stock hardware that ships immediately for a reasonable price.

I would buy a Neptune right now if it was ~$1/GH and shipped immediately, but their current batch 3 pricing is a joke (~$2/GH with an unspecified shipping date).

The Neptune is very competitive from a performance standpoint with other hardware on the market, and they would sell like hotcakes if they were priced competitively and sold from stock like Bitmain.
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July 25, 2014, 07:44:54 PM
 #36980

Quote
Quote from: Kurt;n53193

Hi,

The bonus Neptune will be sent after batch 3 miners are shipped (as discussed above). Batch 3 Neptune miners are expected to start shipping in August (exact date to be announced soon)


That's impossible.
You stopped the production and shipping of Batch 1 because you don't have enough 20nm chips.
Part of Batch 1 and Batch 2 have not been shipped yet.

You said in the news and in the selling page of Batch 3, that Batch 3 will be shipped 1 mouth after Batch 2.
With the Batch 2 that didn't even start to ship yet, you expect to start shipping Batch 3 in August ?!

It's a lie. KNC is a lie !
Source : http://forum.kncminer.com/forum/main-category/hardware/53120-bonus-neptune-shipping?p=53265#post53265


I'm glad my lawyer got me a refund.
Cost me around 1000€ in the beginning, but at the end, I got back a full refund of my order and KNC had to pay for my lawyer.

My lucky BTC address : 1LoTTerY3WYbGxVRHvh8oDudDdTxFvvqWF
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