Questions about hardware, e.g. GPUs.

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0answers
28 views

need advice for building bitcoin miner from scratch [on hold]

Ok so I've been studying bitcoin for a while now and would like to start up my own rig. I know it's pointless now to mine bitcoin because it's not worth it but I'd like to learn for fun and start with ...
0
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0answers
22 views

Asus R9 270x mining 24/7 setup

I'm using Asus R9270X-DC2T-2GD5 for mining and the temps remain stable at 68C or below even with 99% GPU load for hours. Stock cooling with my Cooler Master CM 690 II case with positive air flow. I ...
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3answers
25 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 ...
1
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1answer
89 views

Is it possible to convert Bitcoin Miner to Litecoin Miner?

I have 90Gh/s Bitcoin Miner and its almost useless for Bitcoin Mining with current difficulty. By changing the Linux software installed in it can I convert this Bitcoin Miner to Litecoin Miner? I am ...
0
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1answer
181 views

Besides mining Bitcoin what is another good use for an Antminer S1?

Are there any other SHA-256 coins out there that are worth mining? Also, would I be able to mine scrypt-based coins?
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1answer
39 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 ...
1
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2answers
144 views

Is there any argument to be passed to CGMiner\AntMiner S2 to reserve amounts of hashing power for specific workloads?

I have an AntMiner S2 (1TH/s) and I'd like to mine both on BTC and NMC. Would that be possible, for instance, to use 50% of power just for BTC workloads and the other 50% for NMC? EDIT: What ...
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1answer
173 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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1answer
34 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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0answers
35 views

Miner hardware problem

So, I have been mining LTC with a custom rig (see below for hardware details) and this morning it was down. When I restarded it, it worked fine for two minutes then shut down again without beep nor ...
0
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0answers
71 views

USB HUB 2.0 for Raspberry PI Mining Voltage and Amp recommendations

What are my best options? I've seen posts about voltage and amps but it varies. I would like to run a 10+ port USB hub it needs to be USB 2.0 Note: I will always run one miner less then the max, ...
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2answers
79 views

Is it important to buy Bitcion hardware to start mining? [duplicate]

I have just learnt about Bitcoin and Bitcoin mining. Is it really important to buy Bitcoin mining hardware like BFGMiner to earn Bitcoins ? Can't we just download the software and join a pool?
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2answers
212 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 ...
2
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3answers
765 views

Coins with memory-intensive mining

Are there coins that demand system memory rather than computing power? Which coin brings me the most mining profit if I have a lot of system DDR3 RAM (say 64 GB or more) in my personal computer?
2
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4answers
2k views

Do PCI USB risers lower the hashing rate?

I have a PCI USB riser like this one: I have 2 identical video cards with one plugged directly into the motherboard and one plugged in via the PCI riser. I am seeing a hash rate of 290 KH/s on the ...
0
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1answer
221 views

What temperature should a USB ASIC Miner have while running?

What is the maximum temperature a USB miner should be running at? Mine are at about 60°C/150°F.
0
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2answers
528 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
183 views

RAM FPGA/ASIC miner?

Just out of curiosity, would it be possible to ( with a computer that has a large amount of RAM ) use that RAM and treat it as an FPGA capable of mining other cryptocurrencies, or would it be too ...
0
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2answers
564 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, ...
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2answers
237 views

What hash rate should I expect using a BiFury with USB2.0 rather than USB3.0?

I'm considering the BiFury which is generates ~5GH/s on a USB3 port. They say, Miner is designed to be used with USB 3.0 port or USB 3.0 hub (must meet min. 0.9A per port to achieve full hashrate) ...
0
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2answers
167 views

Is the RAM or the computing power more important for the hashrate?

I have done my research on the internet and failed to come up with any suitable answer. I asked on a few forums as well, but no results. So my question is, if I have two separate computers, one with ...
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1answer
363 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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2answers
2k views

scrypt mining rig suggestions

i went to configmyrig.com and selected the options to hit something close to 5mh. here is a screenshot: http://s28.postimg.org/uayj19exp/Screen_Shot_2014_01_09_at_11_21_58_PM.png i'll be scrypt ...
7
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2answers
6k views

Bitcoin Miner Profit using 600 GH/s Monarch from Butterflylabs

Butterflylabs has a new 600 GH/s Bitcoin miner for $2,196. According to here, 600 GH/s at today's rate would mine approximately $170 a day. This means you make back the original cost of the miner ...
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0answers
139 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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3answers
3k 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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0answers
84 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.
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0answers
571 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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3answers
3k views

Is one quad GPU rig better than two dual GPU rigs for Scrypt mining?

I want to buy four r9 280x cards for Scrypt mining. I already have all other hardware components to create two dual rigs. Would one mining rig that uses all four GPUs instead be significantly better? ...
0
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0answers
239 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
351 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
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 ...
0
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1answer
682 views

Calculating Hardware Efficiency through Hash Rate per Second

I was wondering if any of you could help me in making my own mining calculator. I know there are many good web apps out there, but I would like to make one myself. What I don't understand is how to ...
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3answers
5k views

Litecoin mining hardware

Does readily available hardware exist which is capable of at least 25MH/s for litecoin mining? So basically, I am after hardware which can mine scrypt type coins which can do at least 25MH/s.
0
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1answer
932 views

Is there a way to mine with many graphics cards without having a pc for each one (or two)

I have a serious stash of radeon cards, some great some fairly crap, I figure with them all running it all adds up. Problem is, running a pc for each card will get HECKA expensive, so is there any ...
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2answers
4k views

Can one rig run multiple different graphics cards?

I have some 7950 and some R280, can I connect them both on one rig? Will it work normally? Or does system require all GPUs to be same?
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2answers
10k 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
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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 ...
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2answers
7k views

Will the 3TH KNC Neptune Miner still be profitable in 2014?

I am seriously considering making an investment and buying a 3TH miner. The problem is whether they will still be profitable by the time they arrive... At today's has rate calculation of 707,408,283 ...
3
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2answers
4k 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 ...
0
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1answer
187 views

BFL 7GH Jalapeno suddenly trips circuit breaker, what can I do?

After chugging along just fine (though never at full advertised GHps always 6.5 instead of 7), my Butterfly Labs jalapeno suddenly started to persistently trip the circuit breaker all of a sudden, ...
0
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2answers
332 views

Can somebody provide me with the $price per GHps in mining since the old CPU days til present pre-orders?

Can somebody provide me with the $price per GHps in mining since the old CPU days til present pre-orders? I don't mean energy usage or price vs price of btc.. simply hardware costs relative to how ...
4
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1answer
4k views

How do I fit a normal PCI-E x16 video card into a PCI-E x1 slot?

What hardware would I need to buy to fit a normal PCI-E x16 card (In my case, a R9 280x) into a normal PCI-E x1 slot?
4
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2answers
804 views

Delay of shipping mining equipment on purpose?

Is the delay in shipping mining equipment on purpose? Couldnt the manufacturer mine with the new hardware and deliver it in a few month, as said to be a production problem, but mining itself until the ...
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2answers
392 views

Off the shelf system for scrypt mining?

Being busy and now somewhat lazy I'm wondering if someone has a pointer to anyone selling off the shelf systems set up for scrypt mining? Eg. for LTC etc. Something with a single or dual 7950 or R9 ...
3
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1answer
6k views

CPU vs GPU Mining (FTC) - CPU wins? How?

I've read many times over a long period of time that GPU will win out against CPU every time if you use hardware of a similar tier/age. However, i've been toying around today with some FTC mining and ...
3
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3answers
44k views

5 GH/s Bitcoin Miner from Butterfly Labs can mine Litecoin?

I was wondering buy this ASIC miner of 5GH/s to mine Litecoin. I want know, can I mine Litecoin with this powerful tool? If not, there any ASIC miner's that can mine Litecoin?
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2answers
739 views

Mining Hardware lifespan is less than a year?

I have been exploring mining hardware at http://mining.thegenesisblock.com today. No matter what hardware I look at, all of them are making no profit by Oct 2014. How is this a good purchase? I ...
0
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1answer
1k views

How to physically configure graphic card for higher yields?

If I were to purchase a motherboard with 7 pci-ex ports. Could I then attach 7 graphic cards and run 7 cgminer processes? One for each card? Or would a better build be to group cards together with ...
0
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4answers
34k views

What should I choose - GPU Mining or CPU Mining? [duplicate]

I have a HP Pavilion G6-2313AX Laptop with Processor : APU Quad Core A10 and Graphics : 512 MB AMD Radeon HD 7660G (Integrated) and 2 GB ATI Mobility Radeon 7670M HD Graphics (Dedicated) I know ...