New PCI-E 16X to 8 Port USB 3.0 ... - Bitcoin Insider

A heads up to those wanting to use PCIe splitters/switches.

Well, after 129 miner restarts in SMOS I've finally gotten my 8 GPU rig mining stable for 16 hours straight. I'm using Supermicro boards in my operation to have IPMI and limit having to move rigs or monitors around to troubleshoot. Once the kinks are worked out its great! Anyways my board only has 7 PCIe slots so I've been experimenting with splitters to get me to 8 cards. Its been a long road. I started with a couple of those x1 into 4 USB cards which kinda worked if I was running less than 6 total GPUs and no more than 2 cards on each splitter. They are funky. I could run 4 on the board and 2 on the splitter for days but if I added 2 more to the board I had constant crashes. I spent an immense amount of time messing with the PCI gen, MCFG setting (base address for PCI devices) with mixed results. Finally as I gave up yesterday and put 2 cards back in another rig my x16 to 8 USB splitter finally arrived! I threw it in and hooked up 6 GPUs to it and I'll be damned it ran for 30 minutes no problem. I said screw it and grabbed 2 more cards again and had some rejected shares. Switched the slot back to PCI Gen2 and what do you know. Haven't had to reboot yet.
Obviously its known your mileage will vary using splitters like this. It won't magically make a 20 year old motherboard support more cards. But if you have a modern-ish board that doesn't have enough slots it may be the ticket. I know people have had luck with those 4 GPU splitters I'm still not sure why they were so unstable for me but hey this works. Only needing one x16 slot to run cards I may just opt for a dual CPU board and do some CPU mining as well if a new CPU only algorithm triumphs over Cryptonight.
x1 switch - https://www.amazon.com/LinkStyle-Extender-BitcoinLitecoin-Adapter-Ethereum/dp/B078YQMF7F/ref=sr_1_15?s=electronics&ie=UTF8&qid=1521395139&sr=1-15&keywords=x1+to+4+mining+riser
x16 switch - https://www.amazon.com/Motherboard-Express-Graphics-Adapter-Machine/dp/B07571T721
submitted by zhill29 to gpumining [link] [comments]

Need coding ideas for mining altcoin

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Dell C7PJG Fiber Virtex-5 PCI-E Dual Port XC5VLX50T
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submitted by larrypantlin to pcmasterrace [link] [comments]

First fpga miner build needs coding help

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submitted by larrypantlin to buildapc [link] [comments]

Woah, lets make some special alt-coin servers.. bad idea?

Alright, so I got this idea... I've been making servers for a doctor over the past few months. He's filthy ass rich, I've made him five milk crate style servers (20x 7950s)and hes made over 140,000 thousand usd on litecoins so far. He's given me no cut, and I only made 200 a server from him. It made me mad because college is too damn expensive. Anyway, on to my idea. I've been researching and getting pretty good at making these and running them efficiently. I've also seen how many people showing interesting in the bitcoin world, and they have no clue where to start. Some know a ton software wise, and very little hardware wise. I've also seen how there are absolutely niltch websites that sell alt-coin servers. So lets say I made servers for people who are interested. Put them in crates like these (https://openrigs.com/giorgina-stackable-gpu-frame) and used riser like these (http://www.aliexpress.com/item/PCI-E-PCI-E-Express-1x-to-1X-4x-8x-16x-Riser-Extender-Adapter-Card-with/944387438.html). Preset the OS, and the cgminer. All the user would have to do is plug in and run. The question I have is would people be interested? I know difficulty is going extremely high, but along with the price! As long as the price increases it would stay profitable. GPU's are starting to come back in stock. And with stackable crates like these, its very modular and racks of racks of servers could be made. These new litecoin asics are barely gonna make it. 25MH for 10 grand in parts is almost the same price that could be spent for GPUs. Im not posting an ad, I just want some feedback from this wonderful place of reddit :)
submitted by theerich007 to litecoin [link] [comments]

Lets make special Alt-Coin miners +ideas!

Alright, so I got this idea... I've been making servers for a doctor over the past few months. He's filthy ass rich, I've made him five milk crate style servers (20x 7950s)and hes made over 140,000 thousand usd on litecoins so far. He's given me no cut, and I only made 200 a server from him. It made me mad because college is too damn expensive.
Anyway, on to my idea. I've been researching and getting pretty good at making these and running them efficiently. I've also seen how many people showing interesting in the bitcoin world, and they have no clue where to start. Some know a ton software wise, and very little hardware wise. I've also seen how there are absolutely niltch websites that sell alt-coin servers.
So lets say I made servers for people who are interested. Put them in crates like these (https://openrigs.com/giorgina-stackable-gpu-frame) and used riser like these (http://www.aliexpress.com/item/PCI-E-PCI-E-Express-1x-to-1X-4x-8x-16x-Riser-Extender-Adapter-Card-with/944387438.html). Preset the OS, and the cgminer. All the user would have to do is plug in and run.
The question I have is would people be interested? I know difficulty is going extremely high, but along with the price! As long as the price increases it would stay profitable. GPU's are starting to come back in stock. And with stackable crates like these, its very modular and racks of racks of servers could be made.
These new litecoin asics are barely gonna make it. 25MH for 10 grand in parts is almost the same price that could be spent for GPUs. I almost did this last summer, but boy I wish I did now. Im not posting an ad, I just want some feedback from this wonderful place of reddit :)
submitted by theerich007 to litecoinmining [link] [comments]

Addressing some basic mining gear questions

Hi, I'm Cablesaurus. As Reddit has plugged into the Bitcoin world, many here may be wrestling with the complications of securely mounting accumulating graphics cards and mining rig gear; getting all cards to recognize; or how to utilize all possible motherboard slots for Bitcoin purposes to save hardware costs
A few things new miners should be aware of:
* PCI Express extenders can be used to greatly increase airflow between your cards * Mounting solutions are available for those strugging to securely mount cards * You can use x1 PCIe slots to power any mining card just as fast as when plugged directly into an x16 slot. Adapters are available for the curious. * PCI to PCI express slot adapters are available for those running out of slots. A PCI slot can be converted to run a mining card at full speed from an extender. 
Some of these solutions can save the miner a large wad of cash in startup hardware costs.
To find more basic information, check out the Bitcoin forums or visit our site @ www.Cablesaurus.com
I'll be glad to help answer any questions Reddit has about the use of such solutions, or just general questions for me! - Feel free to post!
Warm regards, Cablesaurus
submitted by Cablesaurus to Bitcoin [link] [comments]

Assembling wishlist for rig parts.

I've decided to start a rack of dedicated bitcoin miners and I am planning the parts right now, but I have a few questions.
Q1. 5770 Single Slot vs 5830?
Q2. Is overclock worth it in the long term (since the warranty is no longer valid)?
Q3: Anyone have a decent Mobo link? I'm trying to figure out what mobo would be good for a 4U case and a power supply to go with it to match the number of PCI-E slots maxed out.
Old Rig Specs:
Now for logistics: I own a 5770 (old one) and it only gets 175 MHash, so the spreadsheet is wrong on that account. It would seem 5830 would be my best bet if they're still stocking it next month. Although the single slot 5770 would be nice too.
Table time. Note I am using 175 MHash for $/MHash calculation.
Component|Description|Source|Amount+Shipping :---|:---|:--- Chassis|Middle Atlantic RC-4|Amazon|$54.99+$9.99 Power Supply|Rosewill Green Series RG530-S12 530W, 80 PLUS Certified|NewEgg|$49.99 Motherboard|ASRock M3A770DE|NewEgg|$59.99+$4.99 CPU|AMD Sempron 140|NewEgg|$37.99 Memory|2x 1GB DDR3|NewEgg|$25.98+$1.98 Graphics card|XFX 5770 Single Slot|NewEgg|$126.99 PCIe x1 adapter|Extender Cable PCI-E 1X Riser Adapter|9mart|$9 Storage|Recert Western Digital Caviar 80GB|NewEgg|$16.99 SubTotal|Approx $1.66/MHash w/ 1 Card||$271.89 SubTotal2|Approx $0.96/MHash w/ 3 Cards||$525.87 Optional| Rack|StarTech 2POSTRACK 42U -- about ten 4U/Rack|NewEgg|$119.99+$36.47 Total|With Rack + SubTotal2||$682.33
Some things to note:
I want to find the best solution to the card per mobo with a decent power supply. I also want to add joule rating cost for the components on the table.
submitted by Xdes to BitcoinMining [link] [comments]

Config post, just in case someone finds it useful.

Was responding to another user's post, figured it might help any other new people. This is one rig that produces 3.9 mh/s at 1600 watts (measured with killawatt), is stable with ~1.2% error rate, ~70C temps.
1 of these http://www.amazon.com/MSI-Computer-Corp-Motherboards-Z77A-G45/dp/B007QWI9TY/ref=sr_1_1?ie=UTF8&qid=1375396364&sr=8-1&keywords=msi+z77-g45a
1 of these http://www.amazon.com/Intel-Celeron-2-60GHz-Processor-BX80637G1610/dp/B00B4BJYVU/ref=sr_1_1?ie=UTF8&qid=1375396383&sr=8-1&keywords=celeron+g1610
1 of these http://www.amazon.com/LEPA-1600-Watts-Crossfire-Certified-G1600-MA/dp/B007W5TV6K/ref=sr_1_1?ie=UTF8&qid=1375396400&sr=8-1&keywords=lepa+1600
6 of these http://www.amazon.com/Gigabyte-Mini-Displayport-PCI-Express-Graphic-GV-R795WF3-3GD/dp/B007581QHG/ref=sr_1_1?ie=UTF8&qid=1375396424&sr=8-1&keywords=gigabyte+7950
1 of these http://www.amazon.com/Samsung-Series-120GB-internal-MZ-7TD120BW/dp/B009NHAF06/ref=sr_1_2?ie=UTF8&qid=1375396482&sr=8-2&keywords=samsung+840
1 of these http://www.amazon.com/dp/B003ZDJ42O/?tag=pcpapi-20
2 of these http://www.amazon.com/Micro-SATA-Cables-Express-Flexible/dp/B0057M16Q8/ref=sr_1_2?ie=UTF8&qid=1375396635&sr=8-2&keywords=pci+risers
1 of these http://www.amazon.com/Powered-Flexible-Extender-Bitcoin-Mining/dp/B00CQB1RIU/ref=sr_1_1?ie=UTF8&qid=1375396667&sr=8-1&keywords=powered+pci+risers
3 of these http://www.amazon.com/Powered-Flexible-Extender-Bitcoin-Mining/dp/B00CQBCKPY/ref=sr_1_2?ie=UTF8&qid=1375396667&sr=8-2&keywords=powered+pci+risers
1 of these http://www.lowes.com/pd_328959-80752-142430B-DS_0__?productId=3468765&Ntt=shelves&pl=1¤tURL=%3FNtt%3Dshelves&facetInfo=
2 of these http://www.lowes.com/pd_95021-1621-3733_0__?productId=1114391&Ntt=box+fan&pl=1¤tURL=%3FNtt%3Dbox%2Bfan&facetInfo=
a shitload of these http://www.lowes.com/pd_292678-1781-45-518UVL_0__?productId=3201639&Ntt=zip+ties&pl=1¤tURL=%3FNtt%3Dzip%2Bties&facetInfo=
And the lid from the cardboard box the motherboard came in. Makes a perfect motherboard tray.
Windows 8, catalyst 12.8, cgminier 3.1.1
setx GPU_MAX_ALLOC_PERCENT 100 setx GPU_USE_SYNC_OBJECTS 1 color 02 timeout /t 45 cgminer --scrypt -o coinotron.com:3334 -u user -p pass --no-submit-stale --gpu-fan 80 --gpu-reorder --thread-concurrency 22400 --lookup-gap 2 --gpu-engine 1125 --gpu-memclock 1250 -w 256 -I 19 -g 1
submitted by pork_belly to litecoinmining [link] [comments]

[Troubleshooting] Screen is black, but computer is on

I recently got a PCIE 2.0 x16 GPU but my computer GPU slot is only a PCIE x1. I used a ribbon, something like this. I connected it to my computer and connected my DVI cable to the GPU. The problem is when I turn on my computer the screen is black but the computer is running.
submitted by Zofuuuu to buildapc [link] [comments]

Cabo Riser mineração bitcoins 60cm Usb 3.0 Pci Express 1x ... PCI Express erklärt  Lanes, Routing, Sharing und Switches ... PCIe x16 Extender + Power Test: PCIe 3.0 AMD R9 270X on very old PC (PCIe 1.0) USB3.0 PCIE 1X to 16X riser graphic card extension adapter for bitcoin litecoin PCIe Extender Cables For GPU Cryptocoin Mining

The defacto standard at the moment for building multi-GPU mining rigs are the x1-x16 PCI Express USB 3.0 powered extenders/risers used to connect the video cards to the motherboard and everybody is using them. Due to the high popularity and demand there are already numerous variations available and since everyone wants to save on the costs for the hardware to maximize the profits people may ... The defacto standard at the moment for building multi-GPU mining rigs are the x1-x16 PCI Express USB 3.0 powered extenders/risers used to connect the video cards to the motherboard and everybody is using them. Due to the high popularity and demand there are already numerous variations available and since everyone wants to save on the costs for the hardware to maximize the profits people may ... Bitcoin FYI. Latest Bitcoin News and Information. Latest News; About; Contact; Main Menu. Bitcoin Products. Bitcoin Product – Alloet 6pcs USB 3.0 PCI-E Express 1x to16x Extender Riser Card Adapter SATA 4PIN. September 22, 2017 - by Bitcoin FYI. Features: 1. 100% Brand new and high quality. 2. Using 30cm ,60cm USB 3.0 cable as extender cable ,premium quality and super speed. 3. With 3X FP ... Posts Tagged ‘PCI-Express extender ... The defacto standard at the moment for building multi-GPU mining rigs are the x1-x16 PCI Express USB 3.0 powered extenders/risers used to connect the video cards to the motherboard and everybody is using them. Due to the high popularity and demand there are already numerous variations available and since everyone wants to save on the costs for the ... Updated news about bitcoin and all cryptocurrencies. New PCI-E 16X to 8 Port USB 3.0 Expansion Card for GPU Mining . It seems that there is a new option available for miners that want to run more GPUs on a single mining rig. We got a tip that there is a new riser card available on AliExpress claiming to be capable of splitting a single x16 PCI-E slot to 8x USB 3.0 type of connectors for use ...

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Cabo Riser mineração bitcoins 60cm Usb 3.0 Pci Express 1x ...

PCI Express (PCIe) 3.0 - Everything ... Benchmark 1X to 16X PCI-E PCI E Express Extender - 193 - Duration: 12:23. My PlayHouse 144,393 views. 12:23. How To Install A PCIe Power Plug Into An Older ... Motherboard: Asus z170 pro gaming Ram: G.Skill Ripjaws 4x 4Gb 3466mhz M.2 ssd Samsung 950 pro NVM express Cpu: intel i7 6700K Psu: Corsair RM1000i First gpu: Gigabyte gtx 670 2Gb oc Second gpu ... FUNÇÃO DO PRODUTO Recomendada para realizar a mineração de criptomonedas bitcoins. A nova solução perfeita da JCDeletronics para a instalação de plataformas ... USB3.0 PCIE 1X to 16X riser graphic card extension adapter for bitcoin litecoin ... Benchmark 1X to 16X PCI-E PCI E Express Extender - 193 - Duration: 12:23. My PlayHouse 144,644 views. 12:23 ... I explain a little about PCI Express extender (riser) cables. What the cables are good for and how to use them in your mining setup. Hardware I'm using in this video PCIe Extender cable 1x to 16x ...

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