Questions tagged [mining-hardware]

This tag should be used for questions related to mining rigs, CPUs, GPUs, FPGAs, and ASIC miners, as well as the production, and producers of such goods.

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11
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1answer
4k views

What mining performance can we roughly expect from the Intel SHA extensions of the upcoming Skylake processor architecture?

Intel is scheduled to release their new x86 SkyLake microarchitecture in Q3 2015. Among other interesting features, it will introduce SHA extensions that will allow hardware acceleration of the Secure ...
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1answer
229 views

Mining computer graphics driver yes or no?

Im about to add a second graphics card to my computer to enhance its mining capability. My question is, should i install the graphics driver for the new card even though it is not needed to run the pc ...
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1answer
382 views

For the Avalon 741, would a suitable PSU be the Leadex II 1200W?

It is remarkably difficult to get the suggested EVGA SuperNOVA 1300 W PSU to the UK. I am wondering if this PSU would be likely a reasonable alternative.
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1answer
2k views

Should we still mine nowadays with CPU/GPU? [duplicate]

For the little bit I understood so far about the mining process, it seems to me that "finding" a block is very very very difficult for a CPU/GPU. However, since it is done by brute force, it seems to ...
0
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1answer
224 views

setup bitcoin miner on older hardware

Hey my name is Philip and i would like to setup a bitcoin miner. I am working on a school with loads of older pc's that i thought to be fun to set up for mining bitcoins, and i'm asking if it would ...
0
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1answer
338 views

Pending transaction, what can i do [duplicate]

Pending transaction and it been 8 day, anyone can help me here and here 3MPTn2ZwQiydkvKZKRgAVUQawA9ShjLJVh , need help
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1answer
3k views

antminer u3 what can they mine? noob alert

I'm very new to the mining world and I was wondering if they mine other currencies such as Ethereum and Dubai coin?
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0answers
373 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 ...
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1answer
234 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 ...
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1answer
99 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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1answer
583 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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1answer
70 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 ...
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0answers
954 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 ...
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2answers
4k 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....
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0answers
210 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?
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1answer
649 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?
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2answers
5k 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 ...
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0answers
16 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
27 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 ...
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2answers
15k 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. ...
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2answers
202 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!!
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2answers
1k 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
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1answer
96 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, ...
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2answers
813 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 ...
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2answers
622 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 ...
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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 ...
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0answers
233 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 ...
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1answer
599 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?
2
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1answer
138 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.
3
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1answer
237 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 ...
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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 ...
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1answer
2k views

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

Can Bitcoin mining hardware be used for other Crypto coins?
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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 ...
3
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1answer
415 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
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1answer
1k 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
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1answer
164 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 ...
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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 ...
4
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4answers
6k 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 ...
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1answer
139 views

Where can I find more information about Litecoin ASIC miners?

I know Bitcoin can use ASICs but from what I can see some ASIC based hardware can work with Litecoin as well. However google search wise there isn't much to go off of, just that it is possible. Any ...
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1answer
1k views

How do you configure the Antminer S1 to mine Dash?

Does someone mine Dash with an Antminer S1? How do you configure it? What pools can I use?
2
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1answer
295 views

sp20 jackson vs Bitmain Antminer S7 for personal bitcoin mining

Background: I am thinking about getting some bitcoin mining hardware. I am hoping to make some money (at least what I spent on the hardware), but mainly I am doing it to learn about bitcoin mining. ...
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0answers
62 views

Where can I download Amd catalyst center version 16.9 or 16.11?

This one https://forum.ethereum.org/discussion/11159/rx-480-sapphire-nitro-oc-4gb-modded-to-8gb-31-mh-1225-2200-mhz says that I should download Amd catalyst center version 16.9 or 16.11 other ...
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2answers
7k views

Is FPGA more cost effective than GPU?

Actually is there a list of hardware we could use and their bitcoins/hardware price ratio so I can compute return of investment?
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1answer
1k views

Can a Butterfly Labs Jalapeño be used to mine Zetacoin?

Can my Butterfly Labs Jalapeño be switched to mine Zetacoin?
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0answers
1k views

Can I install custom software on an Antminer S5?

It is possible to install custom software (another than cgminer) on Antminer hardware? For example on antminer s5?
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1answer
400 views

What motherboard should I use for alt coins mining?

I want motherboard with 6 PCI-e slot. Where can I get that?
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1answer
474 views

Why are my profitability calculations for Litecoin mining with an Antminer off the chart?

Not exactly a Bitcoin question but it's about mining. I wanted to step into crypto mining, but on a rather low budget. Unfortunately, it is hard to start with Bitcoin when you have a low budget, so I ...
7
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4answers
7k views

What's next after scrypt?

I have been reading about the LiteCoin, and how it uses a hashing function (scrypt) that is not able to be mined by ASICs. As a side-effect of this, it has been said that people with GPUs will move ...
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0answers
60 views

Antminer s9 for mining! [duplicate]

I am thinking of putting 20 antminer S9 and start mining Will it be profitable as I have calculated monthly electrical bill of 2500$(USD) in my country?? Also should i be mining alone or join a pool?...
0
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2answers
859 views

Own bitcoin pool miner algorithm

I receive these variables from the mining pool: job_id, prevhash, coinb1, coinb2, merkle_branch version, nbits, ntime, clean_jobs. What must I do with them? Can you write step by step formulas how ...

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