Liquid Synergy Designs Inc. -ASIC mining hardware

[trigeek]

I'm thinking you might be ahead to just run a a couple of beefed up lines straight off the PSU board, rather than messing around with existing wiring. You could run a pair of 12 gauge lines, which is acceptable for chassis wiring up to 41A @ 12v, giving you 984w in total between with two lines.

This sounds interesting although I'm not familiar with this path. If you could describe details on how to implement this setup that would be great. i.e. what cabling and connectors are needed? Thanks,

So many different possibilities on how you'd implement the wiring aspect, depending on your skills, time, etc... The simplest method would probably be cut and splice with a bunch of these: http://www.ebay.com/itm/10-PCI-E-PCIe-6-pin-video-card-power-connector-cable-/280394200360?pt=US_Power_Cables_Connectors&hash=item4148cbf528
The wiring up to the point that they branch off should be 12 gauge, but after that, each individual connector is obviously wired up sufficiently for its own power draw.

Of course, if you're looking for a cleaner look, with a bit more effort, these: http://www.ebay.com/itm/PC-PCI-Express-8-6-2-pin-Power-Connector-Female-x-2-pcs-/261188499328?pt=LH_DefaultDomain_0&hash=item3cd00c3780
and these: http://www.ebay.com/itm/Male-Female-ATX-PCI-E-EPS-CPU-Connector-Pins-PC-Computer-PSU-Power-Supply-/121117721214?pt=LH_DefaultDomain_0&hash=item1c332dc27e

Another option would be to build a power distribution block, and just run all of your PCIe connectors off of that, from one central location.

It's really up to you. Just make sure you're using a power supply with a single 12v rail, and make sure you use sufficient wiring (2 12 gauges should be sufficient), and do whatever works best with your particular setup/layout.

*Note, I'm not responsible if you burn down your house, or place of business. None of this should be taken as advice, or even taken seriously. This is just the opinion of the author. I'm not responsible for you misunderstanding what I'm saying (or understanding and following it). You're a big kid, do your research. This is just a spitballin' idea, that happens to also be the route I intend to go.  

If you *really* want something clean- here's how the cairnsmore guys are doing it:

Power Distribution Board allows the use of ATX power supplies to power large stacks of Cairnsmore1. It takes the power from the ATX PCIE cables to terminals for multiple custom wiring strings to on individual Cairnsmore1′s. This unit also has a switch to turn on/off the ATX supply. The number of boards supported by this product is dependent on the host power supply but can be up to about 20 Cairnsmore1 boards.

[1714957346]

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[ScaryHash]

You got a link for the Power Distribution Board?

Nevermind, found it at http://www.enterpoint.co.uk/cairnsmore/cairnsmore1.html

Thanks

I actually have a 850 W Rosewill powering one of my towers that has 6 PCIE 6+2 connectors.

I think I will use that to power most of everything.

[nightengale]

Chip amount: 18 (in addition to 32 ordered from Batch 3)
Payment amount: 1.548
Sending Address: 1LV3nnZBnZ8ZMgZVXuY63r3wPSPcM2GzSz
TX ID: 0f5adf5b24e513d27e674c83cfa74572aabddaa59d8e539bc138773753dd13b8

Thanks for all of your work on this!

[Lollaskates]

Okay, so i've been trying to work out the most feasible way to power say, 16 boards on a single 750w PSU (estimating ~35w / board, for 560w total and leaving ~20% for breathing room).

A single PCI-E 6 pin plug can handle 75w, 8 pin plugs can handle 150w. the 6+2pins can handle 150w, but its unclear as to how they are rated (gauge). If the +2 is daisy chained off the 6, then the 6 is rated for 150w. if the +2 has its own dedicated wires, then you're still limited to 75w / connector (on the 6 pin).

Safely, lets assume we can split the 75w into two 6 pin connectors, allowing 2 boards / connector. Lets use this PSU: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006

8 x Peripheral
8 x SATA
4 x PCI-E (6+2)

In PCI-E alone, that nets us 4 connections, split each, 8 boards. However, if these are wired to support 150w each, then that is all 16 boards. The caveat with this is you'd need to make sure your initial splits are able to handle 150w, or it wont work. Again, lets be safe and just stick to 75w/2 connections. So 8 boards.

The best way to connect the rest?

Each molex is able to handle 11A @ 12v for 135w per chain. (3 boards effective)
Sata power is 9A @ 12v, for 108w per chain. (3 boards max, 2 boards effective)

It seems at first we can safely attach the remaining 8 boards via molex->PCI-E 6 pin adapters, however that is likely 4 molex connectors / chain, so two chains (really 6 boards). We'd need to utilize one of the sata power chains to get our last 2 boards up and running. After all is said and done, we're utilizing an estimated ~46.66A of the available 62A on the 12v rail.

That leaves a grand total of:

4x PCI-E splitters [8 boards] (http://www.newegg.com/Product/Product.aspx?Item=N82E16812198016 - $4.31 ea.)
3x (2x)Molex->(2x)PCI-E [6 boards] (http://www.newegg.com/Product/Product.aspx?Item=N82E16812198022 - $5.27 ea.)
2x SATAp->PCI-E [2 boards] (http://www.amazon.com/Monoprice-8-inch-15pin-Express-Power/dp/B009GUP6O0/ref=cm_cr_pr_product_top - $2.80 ea.)
----------------
$99.99 PSU (after MIR)
$38.65 Adapters
--------
$138.64 Total

Not bad for cost to power these guys. Please critique this freely, I'm going to be implementing this and I'd hate to be wrong.

Upon closer inspection of the images, it seems all the PCI-E have +2's daisy chained off the 6-pin. This and the apparent gauge of the wire leads me to believe each one can support 150w. This would mean with proper splitting all 16 boards could be powered off those PCI-E. However, buying 12 splitters is nearly twice as expensive.

[RogueLeader]

Payment & email sent for 130 chips in batch 4.

Keep up the great work steamboat!

[Lollaskates]

Payment & email sent for 130 chips in batch 4.

Keep up the great work steamboat!

Wonder how high the diff will be by the time Batch #4's are rolling out mid-august. I'm buying up a bunch of LTC for when all the GPU miners switch to alternative crypto over the summer

[RogueLeader]

Payment & email sent for 130 chips in batch 4.

Keep up the great work steamboat!

Wonder how high the diff will be by the time Batch #4's are rolling out mid-august. I'm buying up a bunch of LTC for when all the GPU miners switch to alternative crypto over the summer

There are certainly plenty of angles to speculate on.  I'm planning for difficulty to be utterly enormous and I still think this is a winning opportunity.  For me and others bullish on BTC long-term, it's less about immediate ROI calculations and more about getting as big a piece of the pie moving forward.  But to each his own.

Back OT, steamboat am I reading the first post correctly that assembly will be available for purchase in USD?  That is how the prices are listed.  If it will be BTC only (for whatever reason), it will be good to know ahead of time, for some of us to be able to replenish funds to pay for the assembly.  If this has been addressed already, I apologize.

[cardcomm]

There are certainly plenty of angles to speculate on.  I'm planning for difficulty to be utterly enormous and I still think this is a winning opportunity.  For me and others bullish on BTC long-term, it's less about immediate ROI calculations and more about getting as big a piece of the pie moving forward.  But to each his own.

Agreed. Actually, I'm not really even that focused on "getting a big piece of the pie." Of course I'd like to make fast money on my investment - who wouldn't.

But for me this is more about obtaining hardware I can use to mine at the "hobbyist level" for at least a little while without getting completely outgunned by the big guys. Plus it's hard to put a price on fun, and I just plain like mining.

[RogueLeader]

Note I said "as big a piece", I have no delusions that the piece will be all that big

Agree with you on mining more as a hobby and just being a part of the network history.

[slightboyme]

Chip amount: 160
Payment amount: 13.76
Sending Address: I am using coinbase and this is my address 1Cz1AtdnhPFJpxTuhhVfR2HUemTxhjNaSH, but I don't think this is the one sending the money though...
TX ID: 7d467f4980ae3bce836909228ee9c061dcc97d39b8b611ec89749525b099c075

Thanks

[bitcoinanon]

I added 16 more chips to my previous order from batch #3.

TXID: 614cd31c8a2dc90b315420f1a18d56f8b2436131984a728aff17d8a51bc8da1b
Sending address: 12tdBMDVHZhu6GDLZKFFrotF1JUwQY2RPS


Thanks again steamboat.

[Kapz786]

Purchased 24 more chips email sent

[steamboat]

I have 50 chips from another group buy that will be assembled into working miners.  Would you accept other boards for your hosting service (they won't be Klondike boards)?

This is a tentative yes. Chips from other group buys may be assembled and hosted without question. The introduction of non Klondike boards, or any board not assembled through us, raises additional concerns which will need to be addressed. For now the answer is yes.

This may have already been asked/answered, so my apologies if it has.  I did read the original post, but may have overlooked.  For batch 4, if we order today about how long in weeks/months would be a good estimate of when the assembled product would be shipped?  I see from other similar projects that a healthy lead time of 7-10 weeks is normal.  Wanted to ask/confirm before moving forward with anything.

Thanks!

For each Batch of chips ordered, Avalon states delivery in 9-10 weeks. Assembly should be completed within 72 hours of package arrival. Turnaround times are a priority, and additional skilled labor will be on hand during that time to process each batch as quickly as possible.


For the PSU debate.

The 75/150W restrictions for 6/8 pin connections are connector based, not wire based. An 8 pin PCIe is only a 6 pin with two additional leads daisy chained off the main. You should be able to run 150W per chain without any issues.

Proper PSU selection is of HUGE importance. Please do not try to save a few dollars here. Cheap PSUs cannot run 24/7 at full efficiency or percent utilized, and provide dirty power which may damage your miner.

I use a CM1 power distribution unit for the cluster. It is nice, and helpful when using Phoenix connectors, but completely unnecessary with the Klondike, as all the connections may be run directly from the PSU.

For my personal cluster, as well as the hosting, an 80+ gold 550 watt single rail PSU has tentatively been selected. This PSU is very high quality, with 105c caps, and rated to run at >90% efficiency at 95% utilization.

This PSU was also chosen because of it's low price per chip, and the ability to remote power cycle a smaller number of boards than possible with a larger unit.


As an aside, while we're building our own custom cases to house the Klondikes, I thought it may be helpful to draw something up for those of you who purchased a moderate amount of miners. This is a standard 3u case, with 12 120mm fans and 72 Klondikes.  





The only hangup with this design is the need for a place to house the PSU. A shelf mounted to the rear of the rack would work, or a separate 4u case housing enough PSUs for a group of say, 4 3u units if hosting in a DC.

Using this design, it is possible to house an entire batch of Klondikes just over half a standard 19" 42U rack.

All orders received, recorded, replied. Batch 4 will end shortly. Any payments which do not make the cutoff will be applied to Batch 5, with an email reflecting the Batch number.

Edit: caught a math mistake, the footprint is much smaller.

[Big Time Coin]

subscribed

[steamboat]

Payment & email sent for 130 chips in batch 4.

Keep up the great work steamboat!

Wonder how high the diff will be by the time Batch #4's are rolling out mid-august. I'm buying up a bunch of LTC for when all the GPU miners switch to alternative crypto over the summer

There are certainly plenty of angles to speculate on.  I'm planning for difficulty to be utterly enormous and I still think this is a winning opportunity.  For me and others bullish on BTC long-term, it's less about immediate ROI calculations and more about getting as big a piece of the pie moving forward.  But to each his own.

Back OT, steamboat am I reading the first post correctly that assembly will be available for purchase in USD?  That is how the prices are listed.  If it will be BTC only (for whatever reason), it will be good to know ahead of time, for some of us to be able to replenish funds to pay for the assembly.  If this has been addressed already, I apologize.

Assembly may be available for purchase in USD. Everything will be available for purchase in BTC.

[RogueLeader]

Payment & email sent for 130 chips in batch 4.

Keep up the great work steamboat!

Wonder how high the diff will be by the time Batch #4's are rolling out mid-august. I'm buying up a bunch of LTC for when all the GPU miners switch to alternative crypto over the summer

There are certainly plenty of angles to speculate on.  I'm planning for difficulty to be utterly enormous and I still think this is a winning opportunity.  For me and others bullish on BTC long-term, it's less about immediate ROI calculations and more about getting as big a piece of the pie moving forward.  But to each his own.

Back OT, steamboat am I reading the first post correctly that assembly will be available for purchase in USD?  That is how the prices are listed.  If it will be BTC only (for whatever reason), it will be good to know ahead of time, for some of us to be able to replenish funds to pay for the assembly.  If this has been addressed already, I apologize.

Assembly may be available for purchase in USD. Everything will be available for purchase in BTC.

Good to know, thanks.  It will also be good to know if/when that "may" solidifies one way or the other.  Of course you've been so up front with details thus far, you don't need my asking!  At least at this point we buyers can plan on having BTC ready to ship, if need be.

[steamboat]

Chip amount: 160
Payment amount: 13.76
Sending Address: I am using coinbase and this is my address 1Cz1AtdnhPFJpxTuhhVfR2HUemTxhjNaSH, but I don't think this is the one sending the money though...
TX ID: 7d467f4980ae3bce836909228ee9c061dcc97d39b8b611ec89749525b099c075

Thanks

Refunded, awaiting payment from a controlled wallet.

[Bakal]

additional order.

Chip amount: 16
Payment amount: 1.376
Sending address: 19ooyZr4rg3pwDJ5Kt3omY4EUoQR9bA4N9
TX ID: b43ea6817e280c25f33dd799a90e627bb780df9249c11bf04fdf31e3eb6dade1

thank you.

[andrewsg]

Steamboat, when you have a moment can I suggest you update the front page post with the order numbers and status (from the Avalon order web site) of each order?

[Kapz786]

Bought another 8 chips hope they have just made it into Batch 4