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201  Other / Archival / Re: Pictures of your mining rigs! on: March 10, 2014, 12:10:43 AM
Showoff.............lol.
Isn't that what this thread is all about!  Grin

LOL you haven't seen a SHOWOFF until you you watched SeekSilence/Shanghai Miner's video! Each one of these mining boxes is 1TH (1200TH farm)

http://www.youtube.com/watch?v=86hZGZAMUHQ
202  Bitcoin / Hardware / Re: [ANN] Technobit HEX8A1 - 130/260 GHs Coincraft A1 board-499/867 EUR March on: March 10, 2014, 12:00:41 AM
jep, it's strange all of them are loose/broken.. I'd underestand one or two, but even those that are under the sink...

I noticed the Technobit web site now has an Returns system: http://technobit.eu/index.php?id_category=14&controller=category&id_lang=1

Marto, whoever edits your website, they spelled "Repair" wrong multiple times!  Wink
203  Bitcoin / Hardware / Re: [ANN] Technobit HEX16A2 - 24 Ghs - 189 EUR 48 h shippment on: March 09, 2014, 11:29:07 PM
Hey my second hex16a2 from order WVEFURYEA has just shorted my psu and made a lot of smoke and a very nasty smell and is 100% broken. The chips are ok though. I will have to return this one too, there is a burnt out spot on the board, and a blackened component just fell off. That makes two out of two hex16a2's broken, without any overclocking!
The other one should have reached you by now according to tracking. I will return this one too. And if possible I would prefer to put the refund money towards a coincraft miner, but if you send me two hex16a2's that's ok too.

Do you want me to take a picture of the board before I ship it back?.

I would really like to know whether you have received the miner and could let me know whether I will be getting new miners or store credit?

Will you keep me updated PLEASE?

Thanks!

So marto can I send it for repair and did you recieve my first return and when will you be sending a replacement?

Marto now has an RMA system try using that: http://technobit.eu/index.php?id_category=14&controller=category&id_lang=1

Marto, whoever edits your website spelled "Repair" wrong multiple times!
204  Alternate cryptocurrencies / Mining (Altcoins) / Re: Max number of GPUs per motherboard? on: March 09, 2014, 11:17:00 PM
11x GPUs is the definitive answer!

Rjk's Mining Rig Extraordinaire tested the limits (used the Trenton BPX6806 18-slot PCIe backplane) reached some kind of 11x GPU limit.

Full thread here: https://bitcointalk.org/index.php?topic=64450.0

Final image before he ran into some kind of 11x GPU card limit that stopped progress. A truly legendary GPU rig!


205  Bitcoin / Hardware / Re: Amazingly cheap FPGA miners on aliexpress - scam or not? on: March 09, 2014, 04:01:12 PM
Like others said too old/slow for Bitcoin mining now but you might be able to re-purpose them from something else, an alt SHA-256 coin perhaps, and technically FPGA's can be reprogrammed to do almost anything you want, unlike ASICs.

I doesn't seem like a scam, if you were going to scam someone you'd sell something worth $1000's. $16-$24 is probably not worth the risk/time of scammer.

an FPGA can already mine any SHA256 coin, lol Cheesy

I never said it couldn't, just their original purpose was to mine Bitcoin so you are still giving it a new purpose by mining an alt-coin. Tongue

"purpose" (noun) 1. the reason for which something is done or created or for which something exists.
206  Bitcoin / Hardware / Re: 750 GH/s - 3TH/s Miners from $3565 - www.bitcoinultra.co.uk on: March 09, 2014, 02:29:01 PM
This so looks like a PSU in a box right now.



Notice how the end of the cables are the wrong way around compared to a KnC Jupiter.  Wink



I so want it to be real because of UK electricity costs, but I don't think they have any electronics right now, just a case, fan and a PSU! Huh
207  Bitcoin / Hardware / Re: Amazingly cheap FPGA miners on aliexpress - scam or not? on: March 09, 2014, 12:36:46 PM
Like others said too old/slow for Bitcoin mining now but you might be able to re-purpose them from something else, an alt SHA-256 coin perhaps, and technically FPGA's can be reprogrammed to do almost anything you want, unlike ASICs.

I doesn't seem like a scam, if you were going to scam someone you'd sell something worth $1000's. $16-$24 is probably not worth the risk/time of scammer.
208  Bitcoin / Hardware / Re: bitmine's product video errors on: March 09, 2014, 02:03:56 AM
Quote
can you source that information listed above please.

Just read the official Bitmine thread it's in there somewhere, plus I've got 1st batch A1 chips from Marto's pre-production Hex8A1 boards.

They only work in Turbo 850mV or higher and only produce Normal 25GH/s at that voltage. They were too hot/too power hungry for Bitmines product.

I suspect they got rid of them through DIY and had the chips remade. That's what caused the delays.
209  Bitcoin / Hardware / Re: bitmine's product video errors on: March 09, 2014, 01:44:53 AM
No, the last board is an old board with 1st batch chips. The other 4 other boards are new boards with 2nd batch chips. That is the reason for the GH/s loss.

1 core = 0.87GH/s. I only wish they were 29GHs per core! Tongue

It'll have about 115Gh/s of wiggle room so don't worry you won't miss a few cores.
210  Bitcoin / Hardware / Re: [ANN] Technobit HEX8A1 - 130/260 GHs Coincraft A1 board-499/867 EUR March on: March 09, 2014, 01:23:50 AM
actualy already made this but with some other changes in components

Is there anywhere else on the board we can solder these legs to Marto? When they come off they take the circuit board contract with them so they cannot be soldered back to their original place. Zich's solution of soldering to the nearest good leg wont work for someone with Eestimee's problem where all the poly-fuses have a bad left leg. Maybe if you fix Eestimee's board you can take a photo to show us what you did to it? Thanks.
211  Bitcoin / Hardware / Re: [ANN] Technobit HEX8A1 - 130/260 GHs Coincraft A1 board-499/867 EUR March on: March 09, 2014, 12:49:38 AM
I got my HEX8A1 to operate this morning, but it was an adventure:

* Tried OZC 550w PSU yesterday, default settings: 260 clock,1000mV => Miner started hashing but as soon as I checked hashrate in terminal (next room) I saw it already disabled itself. Went back to the PSU, HEX8A1 is off. PSU is dead.
* Next try: El cheapo CP 750 Plus PSU. The label says 2*12V rails with 30A each = 720W. I used only the 2 PCI-e power cords, no other load. I tried default settings again. Miner hashes, with very high hashrate (way over 260GHs) but after 20 minutes, PSU switched off. PSU in failsafe mode.
* Couple of additional tries ending with PSU switching off.
* Here is what finally worked (stable for a few hours now): 255 clock, 980mV. Results in fairly stable 260.5GHs. I didn't measure the actual power draw at the wall yet, but I am scared already.

I had a similar issue, 1 Hex8A1 was ok, but 2 would put PSU into shutdown, even though it was well within power limits of the PSU. All it needed was something on the 5V line of the power supply to fix it. I connected a 12V fan the the red/black wire of a molex connector. But some people use a hard drive/floppy drive/CD or DVD drive. But I find another fan more useful. Tongue
212  Other / CPU/GPU Bitcoin mining hardware / Re: 1 TH/S dragon miner. Has anyone tried it more than 24 hours? on: March 08, 2014, 09:17:44 PM
If I can find it for better price than 5,999$ would anyone be interested in purchasing at that point. All the prices are overkill. Thanks

I am planning to get a whole slew of them. I might be able to talk them down from pricing.

Chinese have been mining on 28nm since January!
Cheapest I've seen it is this...
http://www.lketc.com/goods/show-197.aspx
1TH / 880W = 19999 Yuan = $3255 USD!
213  Bitcoin / Hardware / Re: 750 GH/s - 3TH/s Miners from $3565 - www.bitcoinultra.co.uk on: March 08, 2014, 01:57:48 PM
Agree, dudes get a BitPay account! They'll convert Bitcoin payments to £ for you.
214  Bitcoin / Hardware / Re: [ANN] Technobit HEX8A1 - 130/260 GHs Coincraft A1 board-499/867 EUR March on: March 08, 2014, 12:20:49 PM
The five hex8 now work nice with 52% CPU use. But when i connect one hexC or hexB then the CPU spin up to 100% and the performance decreases on all board. While this the hex8 board red light pulses.
I can not understand this, why is tplink to better than RPI?

Because I have 2x Hex8A1 + 6x Hex16B = 700GH in mode 1 and the load average is only 27%  Wink

Here's the broken legs on my green-orange light one. They seem to come away from the circuit board with nothing left to solder them back to.

I've noticed in all our pictures it always seem to be the same side. Marto is this a common ground? Is there somewhere else on the board we can solder these legs to?

I bet if Marto made these boards without polyfuses they would run at 0.9W/GH instead of 1.1W/GH.
I've been thinking about snipping mine off and shorting them to increase power efficiency. What do you think?

215  Bitcoin / Hardware / Re: 750 GH/s - 3TH/s Miners from $3565 - www.bitcoinultra.co.uk on: March 08, 2014, 12:57:51 AM
I'm sure you are aware of cooling off ?

So unless you consider this product exempt It would be really nice to have these mailed to us.

The Consumer Protection (Distance Selling) Regulations 2000
Exceptions to the right to cancel
13.(b) for the supply of goods or services the price of which is dependent on fluctuations in the financial market which cannot be controlled by the supplier.
http://www.legislation.gov.uk/uksi/2000/2334/regulation/13/made

I would say that cover Bitcoins and their miners. Wink The only way you can get out of a contract is if they don't deliver on time or 30 days if unspecified.
216  Bitcoin / Hardware / Re: [ANN] Technobit HEX8A1 - 130/260 GHs Coincraft A1 board-499/867 EUR March on: March 08, 2014, 12:26:29 AM

How long you had it? Are they still shipping them out with thermo resistors on? I thought that was only the pre-production batch?

one day Smiley today got time to start play w it..

Those ugly yellow/orange things are poly-fuses, check if any of them have come away from the board. The board I have with orange light has two detached. This seems to make the remaining attached ones hotter, which causes them to increase resistance, which probably explains why this board uses 40W more power than my green-green light one. But eventually they are designed to shut off the power if they get hot enough and they might not come back to usable for many hours. This could happen if you over-clocked it too far, or have it working in a hot room, so you might find it mysteriously starts working again in the morning if any of these apply. I've heard people say they stick a dead/overheated miner in the fridge and it comes back alive. Now I understand why! Roll Eyes http://en.wikipedia.org/wiki/Resettable_fuse
217  Bitcoin / Hardware / Re: [ANN] Technobit HEX8A1 - 130/260 GHs Coincraft A1 board-499/867 EUR March on: March 07, 2014, 09:33:37 PM

How long you had it? Are they still shipping them out with thermo resistors on? I thought that was only the pre-production batch?

one day Smiley today got time to start play w it..
Ok if it isn't working with diff-to-one 1 something else is going on...sorry that is all I can think off....
In general lights are ok USB also thre must be some power issue no power reaching asics for some reason
If you have the skils you ca check the fuses ....

Did you try putting something on the 5v line of your PSU? It worked for mine that had green-orange light (I nicknamed it Bad Boy because it was a problem child! Cheesy) https://bitcointalk.org/index.php?topic=376351.msg5178369#msg5178369
218  Bitcoin / Hardware / Re: [ANN] Technobit HEX8A1 - 130/260 GHs Coincraft A1 board-499/867 EUR March on: March 07, 2014, 09:26:36 PM


How long you had it? Are they still shipping them out with thermo fuses on? I thought that was only the pre-production batch?

Can you take a picture closer to the power connectors.
219  Bitcoin / Hardware / Re: [ANN] Technobit HEX8A1 - 130/260 GHs Coincraft A1 board-499/867 EUR March on: March 07, 2014, 09:17:06 PM
Quote
000: HEX8 0: 260 1000/ 800mV |  0.000/ 0.000h/s | A:0 R:0/0.00% HW:0/0.00% WU:0.0/m

I'd expect to see that if the chips didn't have enough power to fire up. 1000mV should be enough though.
I cannot get mine started under 850mV and they look exactly like that.
If you're sure your PSUs are providing power, maybe the fuse is blown on the circuit board, or you got some really lazy chips?

I don't get where taht 800mV comes from, but will take a visual inspection look on board now...

Yeah I see 840/800mV if the the mV setting is too low <850mV for my Hex8A1.
Wrong first is what you have configured 840 second 800 is just a number. When you got share back from the board it refreshes otherwise it stays to 800 always. What it means that tplink writes jobs orange but no response back
Is the board hot?

It don't matter what number I set under 850mV it will look like..

Quote
000: HEX8 0: 260 500/ 800mV |  0.000/ 0.000h/s | A:0 R:0/0.00% HW:0/0.00% WU:0.0/m

I think the 800mV is just some default number it goes to when there is not enough mV to fire the chips up.
220  Bitcoin / Hardware / Re: [ANN] Technobit HEX8A1 - 130/260 GHs Coincraft A1 board-499/867 EUR March on: March 07, 2014, 09:09:57 PM
Quote
000: HEX8 0: 260 1000/ 800mV |  0.000/ 0.000h/s | A:0 R:0/0.00% HW:0/0.00% WU:0.0/m

I'd expect to see that if the chips didn't have enough power to fire up. 1000mV should be enough though.
I cannot get mine started under 850mV and they look exactly like that.
If you're sure your PSUs are providing power, maybe the fuse is blown on the circuit board, or you got some really lazy chips?

I don't get where taht 800mV comes from, but will take a visual inspection look on board now...

Yeah I see 840/800mV if the the mV setting is too low <850mV for my Hex8A1.
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