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April 20, 2015, 01:06:11 PM

#40241

Guys, how are the bonus Neptunes performing? I might be picking one up used today, want to know what I should expect.

notthematrix

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Quote from: Prelude on April 20, 2015, 01:06:11 PM

April 20, 2015, 01:18:10 PM

#40242

Guys, how are the bonus Neptunes performing? I might be picking one up used today, want to know what I should expect.

3615 ghash.

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Quote from: Fatman3001 on April 18, 2015, 06:39:23 AM

April 20, 2015, 01:19:36 PM

#40243

Quote from: adaseb on April 18, 2015, 12:50:49 AM

Quote from: Fatman3001 on April 17, 2015, 09:49:27 PM

So I finally got my long awaited bonus miner a week or two before easter only to find out that it was a PoS. The fans were not strong enough to do very much of anything, but I had the miners in a warehouse at 12 degrees celsius (don't know what that is in fahrenheit or zargons) so they should have been fine. But no, 4 out of 5 cubes overheated and turned off sections. So I was planning to get some new fans, some cooling pads for the power regulators and put some new cooling paste on the chips, but until then I would just run them heavily underclocked.

However during the easter holidays the whole miner just dropped off the grid. When I came to the site all the PSUs were running, so no major power failure like I saw on the Jupiter I have. Eventually I disconnected all the miners from the controller board and the board started flashing its lights at startup. I was hopeful. But the router never found the controller/Neptune. I suspect it might be the beagle (I have never seen such a scruffy beagle in my life, it looks like it had a lobotomy), but I don't know.

Does anyone have any ideas? If it can be fixed, what fans should I get?

You sure there is no plastic cover between the ASIC chip and the heatsink?

nope its not a consumer product.
yoi su[pposed to be tech shavvy.

I haven't opened the miner. There were no instructions with it. Is this an issue?

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Quote from: notthematrix on April 20, 2015, 01:18:10 PM

April 20, 2015, 01:22:29 PM

#40244

Quote from: Prelude on April 20, 2015, 01:06:11 PM

Guys, how are the bonus Neptunes performing? I might be picking one up used today, want to know what I should expect.

3615 ghash.

Cool, thanks. How stable are they? Do they need to be babysat?

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April 20, 2015, 02:50:46 PM

#40245

Cool, thanks. How stable are they? Do they need to be babysat?

More likely in the 3.5TH range, with overclocking. Unless you live in the arctic, the Bonus Neps like to overheat/shutdown due to KnC not including thermal pads. You'll want to install good heatsinks, or upgrade the fans, or both, depending on how much you want to spend. (listed in order of cheapest to pricey) Once you get them running, they tend to stay running fairly well. They can lock up every once in a while though.

KnCMiner Firmware - Mercury/Saturn/Jupiter/Neptune/Titan

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Quote from: teslaman on April 20, 2015, 02:50:46 PM

April 20, 2015, 04:52:01 PM

#40246

Cool, thanks. How stable are they? Do they need to be babysat?

Cool, thanks. Has anyone sourced replacement thermal pads? Fucking KNC.

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Quote from: Prelude on April 20, 2015, 04:52:01 PM

April 20, 2015, 06:10:43 PM

#40247

Quote from: teslaman on April 20, 2015, 02:50:46 PM

Cool, thanks. How stable are they? Do they need to be babysat?

Cool, thanks. Has anyone sourced replacement thermal pads? Fucking KNC.

The pads are 5mm thick I believe. Just search on ebay - there are a couple different brands available. Get the ones with the best w/mk thermal conductivity. The other option is to get some 5mm tall heatsinks and mount them onto the vrms. Here is an example: http://www.ebay.co.uk/itm/8x-Pure-Copper-Memory-Chipset-Cooler-HeatSink-Heat-Sink-For-IC-DDR-RAM-VGA-SDRAM-/171317955844?pt=LH_DefaultDomain_3&hash=item27e3588d04

Hope this helps.

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April 20, 2015, 06:22:28 PM

#40248

Hello!!!

Got an neptune here but... the display shows nothing! it's only lights on but no text! is it bricked?
Tried an update to SD_Neptune_rc6.zip it looked like done, blinking led, but nothing after that! same lights on and no text on the display

Any help please!

thx!!!

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April 20, 2015, 10:04:52 PM

#40249

Quote from: notthematrix on April 20, 2015, 01:18:10 PM

Quote from: Prelude on April 20, 2015, 01:06:11 PM

Guys, how are the bonus Neptunes performing? I might be picking one up used today, want to know what I should expect.

3615 ghash.

Cool, thanks. How stable are they? Do they need to be babysat?

stable only need a good power supply , 80-gold the right connectors , and the latest firmware , and right voltage settings to undervolt...
if thats done it can run very stable , for more info see my prevoious posts...
also you need to replace the fans with 3000 rpm nocuta fans.
as you can see in my posts.

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Quote from: mavericklm on April 20, 2015, 06:22:28 PM

April 20, 2015, 10:06:24 PM

#40250

read previous my posts about flashing and replacing a beagle bone black with a beagle bone black rev C

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Quote from: teslaman on April 20, 2015, 02:50:46 PM

April 20, 2015, 10:17:04 PM

#40251

Cool, thanks. How stable are they? Do they need to be babysat?

Replace the fans with a 3000 rpm nocuta 4 wire , and you can runn full speed.
and I do not live in the artic Wink

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Quote from: notthematrix on April 20, 2015, 10:06:24 PM

April 21, 2015, 01:31:17 AM

#40252

Quote from: mavericklm on April 20, 2015, 06:22:28 PM

read previous my posts about flashing and replacing a beagle bone black with a beagle bone black rev C

i'll look for all your post, hopefully i don't need to buy another bbb!!! Sad

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Quote from: mavericklm on April 21, 2015, 01:31:17 AM

April 21, 2015, 11:05:47 AM

#40253

Quote from: mavericklm on April 20, 2015, 06:22:28 PM

i'll look for all your post, hopefully i don't need to buy another bbb!!! Sad

Sounds like the BBB flashed ok, maybe it's just a faulty LCD(display). Did the LCD show anything during the flash? Have you looked up its IP address the manual way via your router's DHCP client list, etc, to see if you can access the web interface? Might be worth taking the LCD off too, in case it's messing things up.

KnCMiner Firmware - Mercury/Saturn/Jupiter/Neptune/Titan

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April 21, 2015, 11:41:44 AM

#40254

The display shows nothing from the beginning, when miner arrived at my place(it was working before the shipping, so i was told!)! it just lights up, that is all!

Quote

Have you looked up its IP address the manual way via your router's DHCP client list, etc, to see if you can access the web interface?

i need to google this 'cause i don't know how to do it!
i expected to have an ip address on the display...

really scared of working with this miner! the 400w per 1 6pins scares the shit out of me!

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Quote from: mavericklm on April 21, 2015, 11:41:44 AM

April 21, 2015, 12:27:41 PM

#40255

really scared of working with this miner! the 400w per 1 6pins scares the shit out of me!

You should be.

Be sure to use the Y-cables or at least 6+2 pin PCIE. There is too much juice running for standard PCIE cable (18 gauge).

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April 21, 2015, 12:38:21 PM

#40256

no Y yet, got 16awg wires and i would like to downclock to ~250w per cube
if possible

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Quote from: mavericklm on April 21, 2015, 12:38:21 PM

April 21, 2015, 12:46:32 PM

#40257

no Y yet, got 16awg wires and i would like to downclock to ~250w per cube
if possible

That should be fine. I'm using server PSU and 16 g wire also. You can feel some warmth, but not bad.

@notthematrix---Any tricks to get cubes to turn on? I've got a few that show up, but I can't seem to get the dies to start up.

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Quote from: bgibso01 on April 21, 2015, 12:46:32 PM

April 21, 2015, 04:58:39 PM

#40258

Quote from: mavericklm on April 21, 2015, 12:38:21 PM

no Y yet, got 16awg wires and i would like to downclock to ~250w per cube
if possible

try voltage tweaking some cube need less voltage -0.0836 is less voltage then -0.0366
need to play around and have a lot of pacience....

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Quote from: notthematrix on April 21, 2015, 04:58:39 PM

April 21, 2015, 07:35:58 PM

#40259

try voltage tweaking some cube need less voltage -0.0836 is less voltage then -0.0366
need to play around and have a lot of pacience....

That's my problem. I'm an accountant not a doctor. I don't have patients.

I'll keep trying. Different voltages so far haven't made a difference. I was hoping they had some firmware like they did for the Jups to get the dies to turn on.

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