Questions about hardware, e.g. GPUs.

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1answer
22 views

Transferring Many Bitcoins without restoring a seed..Read

So I was thinking about how would someone transferring a handful of bitcoins say 10 or so to a new hardware wallet. so the situation is this. Say you have 10 coins and want to transfer those coins ...
1
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0answers
21 views

Turing an old laptop into a bitcoin miner [duplicate]

So I have an old laptop that was passed down to me, and I want to turn it into a bitcoin miner, I don't have any experience with bitcoin mining; its got 2gb of ram and some pentium. it will be running ...
0
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1answer
35 views

How do I find the mining equipment and software?

I'm from Egypt and I want to show the experience of exploration and will be the first in this field in Egypt I appreciate where you bought the hardware and software? Are the programs are compatible ...
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2answers
55 views

Difficulty set by pools

Can we argue that, since the difficulty set by pools is lower than the actual one, "old" hardware remain profitable for longer and thus are used for more time. And this, indirectly, increases the ...
0
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0answers
9 views

My Slush Dashboard won't work [duplicate]

I have just started trying to mine bitcoin with Astroid with a GeForce 320M CPU (or GPU). However, when i look at my dashboard in slushpool.com, my worker is in error state. Can anyone help?
2
votes
1answer
90 views

ASIC and FPGA feasibility as GPU

I've done a minor amount of research into the topic of bitcoin mining using ASICs and FPGAs, and I've started wondering: Could these be used as GPUs (possibly specialized to a subset of what modern ...
1
vote
1answer
72 views

Would it be profitable to manufacture and sell my new mining hardware? [closed]

I am bit new with bitcoin. I run a electronics/software company in China and Australia. I would like to create new bitcoin mining hardware. The specs are as follows: The miner is PCI-E installed, ...
1
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0answers
9 views

Getting started [duplicate]

I read some reviews and would like to try my hand at this Bitcoin thing. I see that costly, dedicated hardware is the way to go. I have a dual XEON E5420 (http://goo.gl/Frco5X), 8Gb DDRII RAM sitting ...
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0answers
222 views

Row of Xs in Antminer S5 interface?

My Problem:("x" in a row on miner configuration page) This is in part of Hardware . in the form of: Hardware Version:X.X.X.X Cg miner Version:Empty And turns on red lights and small on top of its ...
2
votes
0answers
90 views

What requirements does a router need to fulfill to support a network of 50 miners?

I am running a network with fifty miners, and I am experiencing network problems with my current router from ASUS, because its memory fills up and it requires to restart in order to work properly. I ...
0
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0answers
27 views

Open Source Hardware For Air Gapped Computer?

I'm looking for vetted open source computer hardware that can run Armory air gapped. Anyone know of such vetted hardware sources?
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2answers
113 views

Can I replace the fans in a Zeus Hurricane x3?

This thing sounds like there is a jet waiting to take off in my office. Can I replace the fans with quieter ones? If so, can you recommend which fans to buy to replace the stock ones? Thanks!!
3
votes
1answer
183 views

Is it normal for my hardware hashrate to vary by 15% but still achieve the advertised average?

I have an Antminer S1 and an Antminer C1. They both work as advertised and achieve a three hour hashrate average of 200 Ghash and 1000 Ghash, respectively. However, within any given second they hash ...
3
votes
1answer
231 views

What could be the reason for one loop being significantly more power hungry on an SP20?

One of the loops on my Spondoolies SP20 is misbehaving. I underclocked everything but this loop (number 4) does not seem to care what settings I make. It seems to be running at twice the speed (and ...
3
votes
1answer
404 views

How much memory (RAM) does a Bitcoin node use?

How much memory (RAM) does a Bitcoin node use? I am planning on running a Bitcoin full-node on a RasPi Model A+. It only has 256MB of RAM, so I'm not sure if this will work. Most of the threads on ...
1
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3answers
104 views

Are there any hardware privkey/pubkey generators out there?

I don't mean hardware wallet like Trezor but simply a device that is non-programmable, and not network connectable but will generate key pairs (+ the associated address would be handy but that could ...
-2
votes
1answer
52 views

Is bitcoin worth it? [closed]

I have a couple of questions. Is bitcoin the most profitable crypto currency right now how about in a year. Is the Bitmain Antminer S1 Dual Blade 180 Gh/s Bitcoin Miner A good miner? Any ...
2
votes
1answer
516 views

Can Bitcoin mining hardware be used for other Crypto coins? [duplicate]

Can Bitcoin mining hardware be used for other Crypto coins?
-1
votes
1answer
48 views

does OpenCL on Nvida work as well as OCL on ATI?

in most cases I've seen mining techniques listed as either ATI with OpenCL or Nvidia with Cuda. but I have seen Nvidia graphics that claim to support OpenCL. is this implementation different or would ...
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2answers
815 views

“Can't detect any devices”

I'm trying to start mining using my GPU (ATI Radeon HD 4850) but when I try to run cgminer it cant detect any devices. I use this to run cgminer: cgminer --scrypt -o stratum+tcp://stratum2.dogechain....
0
votes
2answers
850 views

Pros and Cons of using HDD or USB Flash drive (script mining)? [closed]

Could someone share his/her experience of using USB flash drive over HDD? I know that the only purpose of both is to store the OS. I am going to use Ubuntu 13.10 which I believe will fit 8 GB USB ...
1
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2answers
997 views

Entry point hardware for profitable mining [closed]

A) Which hardware B) Which GH/s level will be profitable for 1) Pool mining 2) Solo mining Bitcoins as of February 2014? Links to sources where information can be checked over time will be great, ...
-1
votes
1answer
442 views

Questions about Bitcoin mining hardware and in pools [closed]

I have recently found out about Bitcoin, and as I read more and found about about hardware and stuff, I thought of a lot of questions. So Butterfly Labs has Bitcoin mining hardware, and I was ...
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0answers
149 views

Litecoin mining efficiency with pci-e 8x/16x

Is it essential to select a motherboard with native 2x pci-e 16x support or will 2x pci-e 8x do the same job?
3
votes
3answers
5k views

Will a bitcoin miner work for other currencies?

If I purchase a card (or similar device) that claims to mine Bitcoins at 10 GH/s, will that device also work for other currencies? That is, would the device also work on a multi-pool for litecoins, ...
2
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1answer
109 views

How to open a Butterflylabs miner?

How to open a Butterfly 5GH/s miner and replace the fan? I don't see any screws at the outside.
0
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0answers
604 views

16x Presence Short (1x Riser)

I have an MSI Z77a-GD65 and I need to short one of the slots to get it to work. The MB was working fine with 5 GPUs until a couple of weeks ago when one of the slots stopped working. I know it's the ...
0
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0answers
279 views

Can I connect 2 different PSU's to 1 GPU?

I have 2 PSU's 850W and 750W 1 motherboard and 4 cards 280x GPU's. I would like to connect 2 of the GPU's to a second PSU. So it means 2 cards are powered by PSU A. and 2 by PSU A via the motherboard ...
1
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1answer
527 views

Does the Prospero X-1 have an USB port?

I have looked everywhere but cannot find out whether the Black Arrow Prospero X-1 has a USB port for connecting to a computer (and interfacing with miner to start mining). Does it have one?
1
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2answers
1k views

Is it cost-effective to purchase an expensive card? [closed]

I was considering purchasing the Monarch BPU 300 C or the 600 C. However, neither of them are expected to ship before February of 2014 or later. If this calculator is to be trusted, it doesn't seem ...
1
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2answers
12k views

Device not found. NO GPU output 3 Computers same issue?

I have 3 computers that I want to use for mining when idle. 2 of them are windows 7 one of the is windows 8 all three are x64 base. two of them have 7700hd ATI cards and the third has a 7870HD XFX. ...
4
votes
4answers
5k views

Can Litecoin mining be bottle-necked by motherboard/cpu?

So I brought 2x Sapphire Vapore-X R9 280X video card. I am only doing 550kh/s each while on my other more powerful setup with the same card get about 750kh/s. I am wondering if the motherboard/cpu ...
3
votes
2answers
5k views

Power supply for Litecoin mining rig

I've been told my power supply needs to be of a good brand and have sufficient power for all the hardware, with some to spare. A 80+ gold PSU is more expensive but could be the best idea. I'm ...
4
votes
2answers
1k views

Does the block reward get halved every 4 years regardless of hardware advancements?

Is the invention of a faster computer (let's say a quantum computer) or the lack of advancements in computing power (let's say it takes a decade to make any progress greater than incremental increases ...
2
votes
2answers
2k views

How much will difficulty increase when ASIC miners become generally availible in the coming months?

I am considering buying a 5/Ghs Butterfly Labs ASIC miner. My question is, will the difficulty increase caused by large quantities of ASIC miners being shipped in the coming months make the miner in ...
6
votes
2answers
435 views

What is the cheapest device that can run a proper bitcoin client?

What is the cheapest hardware device that can run a proper bitcoin client that can participate in the P2P network?
-1
votes
1answer
123 views

GPU mining equation?

Is there an equation that estimate the hashing rate of a GPU from its specs: cores, clock, ... ? I need this because the hardware comparison list is not complete and I am considering buying a new ...
4
votes
1answer
338 views

What happens when a Trezor is lost?

Trezor is one of the leading implementation of a hardware wallet. Its first generation won't support multisig ... because the Bitcoin network itself doesn't have strong multisig support. What happens ...
1
vote
2answers
576 views

What's the best mining option if you weren't worried about power costs?

If you had a free power source and took it out of the equation, what would be potentially the best option for bitcoin mining? You have limited space, so for about one or two computers tops. What ...
2
votes
1answer
586 views

Where is it possible to buy an ASIC?

I know of Avalon and Butterfly Labs, but they aren't currently shipping. Does anyone know where, if anywhere it is possible to order and receive shipment before the year's out?
3
votes
1answer
133 views

What was the intended benefit of truncating the Target?

I'm thinking about how the Target value is truncated to and later compared to the SHA-256hash of the Block Header. Given that The maximum target (lowest possible difficulty) is ...
4
votes
1answer
2k views

Mining pool hardware and bandwidth requirements

Has anyone measured what are the hardware and bandwidth requirements to run a mining pool? Are there any statistics on that per amount of active miners, their hashspeed and other variables?
21
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2answers
1k views

Hardware Bitcoins (Smartcards, RFID etc.)

is it possible to create a real hardware Bitcoin, e.g. a specified (and verifiable) value which is stored on a smart card or RFID which can be given directly to other people?