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Author Topic: GekkoScience BM1384 Project Development Discussion  (Read 144348 times)
Meech
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April 25, 2015, 02:27:10 AM
 #541

The usb sticks did extremely well on Ebay and any markup should be there to cover fees.  But first runs should be sold here just in case of any complications with them.  Do these need a CE certification if you sell large quantities, especially overseas?  I realize that may not be in the budget.
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April 25, 2015, 02:33:40 AM
 #542

Hey sidehack, if you want me to test one of those boards on a tropical setting, send it over with the psu i just bought Smiley I would gladly test it, and i could even setup remote access for you to test it out on my setting (temps ~27ºc year long).  Wink

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April 25, 2015, 02:50:56 AM
 #543


...

600mVGHIinPinW/GH
100MHz5.537218600.34
125MHz6.8844822400.33
150MHz8.2551125550.31
625mV
100MHz5.539019500.35
125MHz6.8846423200.34
150MHz8.2554427200.33
175MHz9.6362031000.32
200MHz1170435200.32
650mV
100MHz5.541020500.37
125MHz6.8849524750.36
150MHz8.2557528750.35
175MHz9.6366033000.34
200MHz1176038000.35
225MHz12.3885042500.34
250MHz13.7594547250.34
675mV
100MHz5.544022000.4
125MHz6.8853026500.39
150MHz8.2561030500.37
175MHz9.6371535750.37
200MHz1181040500.37
225MHz12.3891545750.37
250MHz13.75102051000.37




Those are some good looking specs! Can't wait to see the final product.

ASICPuppy.net ASIC Mining Hardware and Accessories - 2Pacs in stock!
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April 25, 2015, 04:58:18 AM
 #544

Compac PCB prototypes were ordered today, only about 1.5 hours behind schedule but a fair amount of that was because I spent the extra time designing a new BM1384 breakout board on which I can more effectively test parallel and string configurations. This coming week I'll be working on beefy regulator design which will end up going on the TypeZero (and probably other things that are way behind schedule), and once the new boards come in and Compacs are tested, I'll start Amita testing with the new breakout board. Hopefully there's no trouble and I can get the Amita design completed soon.

There will be no bulk discounts for the Compac. The price is the price. If you want to middleman and resell on eBay, I reckon that's fine but your inventory cost will be the same as anyone else's. I need to go back over pricing with the new design and get a bead on the actual costs so I can reevaluate the sale price, but hopefully $20 is still within reason. The Amita will have the same regulator as the Compac (I need only change two parts, I think, to get the higher voltage range out of it for a two-chip string), and then a second chip, second heatsink, 40mm more PCB and probably another dollar in support components so if the Compac sells for $20 hopefully the Amita can sell for $30.

So, question. Assuming we can get, say, 1000 chips from Bitmain, how do we want to divide them up? We could do 600x Compac and 200x Amita, or 700x Compac and 150x Amita, or something like that. Where's demand? How should we apportion things? Additionally, if Compacs cost approaching $20 to make, making 600 of them means about a $12K investment to run out the full batch. How much of this should we try to out-of-pocket, and how much should we try to gather - and by what means - before ordering materials for the batch? So basically, should we attempt a pre-order to pay for parts and get everything done in one go, or should we build as resources allow and only sell in-hand miners (at reduced and somewhat drawn-out quantities)?

Not one satoshi will be requested until after prototypes of the final design are dispersed and thoroughly tested by trusted members of the community. Do not trust anyone claiming to represent me if he acts in contradiction to this policy.

Selling seconds 2Pacs for a friend's med bills - PM for details
Currently in development - 20-120GH USB stick; 700GH 75W pod; 4TH volt-adjustable S1/3/5 upgrade kit
Server PSU interface boards and cables. USB and small-scale miners. Hardware hosting, advice and odd-jobs. Supporting the home miner community since 2013 - http://www.gekkoscience.com
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April 25, 2015, 05:11:58 AM
 #545

Very nice progress.  I would be interested in testing one if at all possible.
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April 25, 2015, 05:23:25 AM
 #546

Compac PCB prototypes were ordered today, only about 1.5 hours behind schedule but a fair amount of that was because I spent the extra time designing a new BM1384 breakout board on which I can more effectively test parallel and string configurations. This coming week I'll be working on beefy regulator design which will end up going on the TypeZero (and probably other things that are way behind schedule), and once the new boards come in and Compacs are tested, I'll start Amita testing with the new breakout board. Hopefully there's no trouble and I can get the Amita design completed soon.

There will be no bulk discounts for the Compac. The price is the price. If you want to middleman and resell on eBay, I reckon that's fine but your inventory cost will be the same as anyone else's. I need to go back over pricing with the new design and get a bead on the actual costs so I can reevaluate the sale price, but hopefully $20 is still within reason. The Amita will have the same regulator as the Compac (I need only change two parts, I think, to get the higher voltage range out of it for a two-chip string), and then a second chip, second heatsink, 40mm more PCB and probably another dollar in support components so if the Compac sells for $20 hopefully the Amita can sell for $30.

So, question. Assuming we can get, say, 1000 chips from Bitmain, how do we want to divide them up? We could do 600x Compac and 200x Amita, or 700x Compac and 150x Amita, or something like that. Where's demand? How should we apportion things? Additionally, if Compacs cost approaching $20 to make, making 600 of them means about a $12K investment to run out the full batch. How much of this should we try to out-of-pocket, and how much should we try to gather - and by what means - before ordering materials for the batch? So basically, should we attempt a pre-order to pay for parts and get everything done in one go, or should we build as resources allow and only sell in-hand miners (at reduced and somewhat drawn-out quantities)?

Not one satoshi will be requested until after prototypes of the final design are dispersed and thoroughly tested by trusted members of the community. Do not trust anyone claiming to represent me if he acts in contradiction to this policy.

My opinion is that a preorder isn't a bad thing if done in reasonable quantities and in a transparent manner.

I'd buy a few of the USB miners for funsises, but I'm really waiting for the TypeZero.  I have a fever and the only cure is more cowbell!  Err..hashrate.

EDIT: Sent you a PM on the cables, btw.

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April 25, 2015, 07:04:04 AM
 #547

Compac PCB prototypes were ordered today, only about 1.5 hours behind schedule but a fair amount of that was because I spent the extra time designing a new BM1384 breakout board on which I can more effectively test parallel and string configurations. This coming week I'll be working on beefy regulator design which will end up going on the TypeZero (and probably other things that are way behind schedule), and once the new boards come in and Compacs are tested, I'll start Amita testing with the new breakout board. Hopefully there's no trouble and I can get the Amita design completed soon.

There will be no bulk discounts for the Compac. The price is the price. If you want to middleman and resell on eBay, I reckon that's fine but your inventory cost will be the same as anyone else's. I need to go back over pricing with the new design and get a bead on the actual costs so I can reevaluate the sale price, but hopefully $20 is still within reason. The Amita will have the same regulator as the Compac (I need only change two parts, I think, to get the higher voltage range out of it for a two-chip string), and then a second chip, second heatsink, 40mm more PCB and probably another dollar in support components so if the Compac sells for $20 hopefully the Amita can sell for $30.

So, question. Assuming we can get, say, 1000 chips from Bitmain, how do we want to divide them up? We could do 600x Compac and 200x Amita, or 700x Compac and 150x Amita, or something like that. Where's demand? How should we apportion things? Additionally, if Compacs cost approaching $20 to make, making 600 of them means about a $12K investment to run out the full batch. How much of this should we try to out-of-pocket, and how much should we try to gather - and by what means - before ordering materials for the batch? So basically, should we attempt a pre-order to pay for parts and get everything done in one go, or should we build as resources allow and only sell in-hand miners (at reduced and somewhat drawn-out quantities)?

Not one satoshi will be requested until after prototypes of the final design are dispersed and thoroughly tested by trusted members of the community. Do not trust anyone claiming to represent me if he acts in contradiction to this policy.

My opinion is that a preorder isn't a bad thing if done in reasonable quantities and in a transparent manner.

I'd buy a few of the USB miners for funsises, but I'm really waiting for the TypeZero.  I have a fever and the only cure is more cowbell!  Err..hashrate.

EDIT: Sent you a PM on the cables, btw.



You almost sound like one of my teachers.... Needs more cowbell!

Got an assignment? Needs more cowbell!

https://www.youtube.com/watch?v=GCd0OjjCz88

On another note some type zero heaters, err miners for after summer might be awesome.

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April 25, 2015, 07:18:20 AM
 #548

I am ready to test when you need.
This project has made me happy. It is nice to see things going on other than just big companies.


Compac PCB prototypes were ordered today, only about 1.5 hours behind schedule but a fair amount of that was because I spent the extra time designing a new BM1384 breakout board on which I can more effectively test parallel and string configurations. This coming week I'll be working on beefy regulator design which will end up going on the TypeZero (and probably other things that are way behind schedule), and once the new boards come in and Compacs are tested, I'll start Amita testing with the new breakout board. Hopefully there's no trouble and I can get the Amita design completed soon.

There will be no bulk discounts for the Compac. The price is the price. If you want to middleman and resell on eBay, I reckon that's fine but your inventory cost will be the same as anyone else's. I need to go back over pricing with the new design and get a bead on the actual costs so I can reevaluate the sale price, but hopefully $20 is still within reason. The Amita will have the same regulator as the Compac (I need only change two parts, I think, to get the higher voltage range out of it for a two-chip string), and then a second chip, second heatsink, 40mm more PCB and probably another dollar in support components so if the Compac sells for $20 hopefully the Amita can sell for $30.

So, question. Assuming we can get, say, 1000 chips from Bitmain, how do we want to divide them up? We could do 600x Compac and 200x Amita, or 700x Compac and 150x Amita, or something like that. Where's demand? How should we apportion things? Additionally, if Compacs cost approaching $20 to make, making 600 of them means about a $12K investment to run out the full batch. How much of this should we try to out-of-pocket, and how much should we try to gather - and by what means - before ordering materials for the batch? So basically, should we attempt a pre-order to pay for parts and get everything done in one go, or should we build as resources allow and only sell in-hand miners (at reduced and somewhat drawn-out quantities)?

Not one satoshi will be requested until after prototypes of the final design are dispersed and thoroughly tested by trusted members of the community. Do not trust anyone claiming to represent me if he acts in contradiction to this policy.

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April 25, 2015, 01:27:28 PM
 #549

Compac PCB prototypes were ordered today, only about 1.5 hours behind schedule but a fair amount of that was because I spent the extra time designing a new BM1384 breakout board on which I can more effectively test parallel and string configurations. This coming week I'll be working on beefy regulator design which will end up going on the TypeZero (and probably other things that are way behind schedule), and once the new boards come in and Compacs are tested, I'll start Amita testing with the new breakout board. Hopefully there's no trouble and I can get the Amita design completed soon.

There will be no bulk discounts for the Compac. The price is the price. If you want to middleman and resell on eBay, I reckon that's fine but your inventory cost will be the same as anyone else's.
I need to go back over pricing with the new design and get a bead on the actual costs so I can reevaluate the sale price, but hopefully $20 is still within reason. The Amita will have the same regulator as the Compac (I need only change two parts, I think, to get the higher voltage range out of it for a two-chip string), and then a second chip, second heatsink, 40mm more PCB and probably another dollar in support components so if the Compac sells for $20 hopefully the Amita can sell for $30.

So, question. Assuming we can get, say, 1000 chips from Bitmain, how do we want to divide them up? We could do 600x Compac and 200x Amita, or 700x Compac and 150x Amita, or something like that. Where's demand? How should we apportion things? Additionally, if Compacs cost approaching $20 to make, making 600 of them means about a $12K investment to run out the full batch. How much of this should we try to out-of-pocket, and how much should we try to gather - and by what means - before ordering materials for the batch? So basically, should we attempt a pre-order to pay for parts and get everything done in one go, or should we build as resources allow and only sell in-hand miners (at reduced and somewhat drawn-out quantities)?

Not one satoshi will be requested until after prototypes of the final design are dispersed and thoroughly tested by trusted members of the community. Do not trust anyone claiming to represent me if he acts in contradiction to this policy.

I like that which I bolded as the industry has changed a lot since that was popular way to sell them.

As for Distrubution. 600-200 or 700-150 good question    some  points:

A) have you made a good model and tested the Amita as well as the Compac
B)  what is your profit on each?
C) the amita will use only hi-end hubs such as the one below  which can supply .9 amps without the bridge and 1.8 amps with the bridge.


Please support sidehack with his new miner project Send to : 1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
I mine alt coins with https://simplemining.net I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
Meech
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April 25, 2015, 04:21:23 PM
 #550

Compac PCB prototypes were ordered today, only about 1.5 hours behind schedule but a fair amount of that was because I spent the extra time designing a new BM1384 breakout board on which I can more effectively test parallel and string configurations. This coming week I'll be working on beefy regulator design which will end up going on the TypeZero (and probably other things that are way behind schedule), and once the new boards come in and Compacs are tested, I'll start Amita testing with the new breakout board. Hopefully there's no trouble and I can get the Amita design completed soon.

There will be no bulk discounts for the Compac. The price is the price. If you want to middleman and resell on eBay, I reckon that's fine but your inventory cost will be the same as anyone else's. I need to go back over pricing with the new design and get a bead on the actual costs so I can reevaluate the sale price, but hopefully $20 is still within reason. The Amita will have the same regulator as the Compac (I need only change two parts, I think, to get the higher voltage range out of it for a two-chip string), and then a second chip, second heatsink, 40mm more PCB and probably another dollar in support components so if the Compac sells for $20 hopefully the Amita can sell for $30.

So, question. Assuming we can get, say, 1000 chips from Bitmain, how do we want to divide them up? We could do 600x Compac and 200x Amita, or 700x Compac and 150x Amita, or something like that. Where's demand? How should we apportion things? Additionally, if Compacs cost approaching $20 to make, making 600 of them means about a $12K investment to run out the full batch. How much of this should we try to out-of-pocket, and how much should we try to gather - and by what means - before ordering materials for the batch? So basically, should we attempt a pre-order to pay for parts and get everything done in one go, or should we build as resources allow and only sell in-hand miners (at reduced and somewhat drawn-out quantities)?

Not one satoshi will be requested until after prototypes of the final design are dispersed and thoroughly tested by trusted members of the community. Do not trust anyone claiming to represent me if he acts in contradiction to this policy.

My opinion is that a preorder isn't a bad thing if done in reasonable quantities and in a transparent manner.

I'd buy a few of the USB miners for funsises, but I'm really waiting for the TypeZero.  I have a fever and the only cure is more cowbell!  Err..hashrate.

EDIT: Sent you a PM on the cables, btw.


I second that.  In this situation it would be a welcomed preorder.  I'm sure if you take investment funds then everyone would want a share.
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April 25, 2015, 04:30:18 PM
 #551

Compac PCB prototypes were ordered today, only about 1.5 hours behind schedule but a fair amount of that was because I spent the extra time designing a new BM1384 breakout board on which I can more effectively test parallel and string configurations. This coming week I'll be working on beefy regulator design which will end up going on the TypeZero (and probably other things that are way behind schedule), and once the new boards come in and Compacs are tested, I'll start Amita testing with the new breakout board. Hopefully there's no trouble and I can get the Amita design completed soon.

There will be no bulk discounts for the Compac. The price is the price. If you want to middleman and resell on eBay, I reckon that's fine but your inventory cost will be the same as anyone else's. I need to go back over pricing with the new design and get a bead on the actual costs so I can reevaluate the sale price, but hopefully $20 is still within reason. The Amita will have the same regulator as the Compac (I need only change two parts, I think, to get the higher voltage range out of it for a two-chip string), and then a second chip, second heatsink, 40mm more PCB and probably another dollar in support components so if the Compac sells for $20 hopefully the Amita can sell for $30.

So, question. Assuming we can get, say, 1000 chips from Bitmain, how do we want to divide them up? We could do 600x Compac and 200x Amita, or 700x Compac and 150x Amita, or something like that. Where's demand? How should we apportion things? Additionally, if Compacs cost approaching $20 to make, making 600 of them means about a $12K investment to run out the full batch. How much of this should we try to out-of-pocket, and how much should we try to gather - and by what means - before ordering materials for the batch? So basically, should we attempt a pre-order to pay for parts and get everything done in one go, or should we build as resources allow and only sell in-hand miners (at reduced and somewhat drawn-out quantities)?

Not one satoshi will be requested until after prototypes of the final design are dispersed and thoroughly tested by trusted members of the community. Do not trust anyone claiming to represent me if he acts in contradiction to this policy.

My opinion is that a preorder isn't a bad thing if done in reasonable quantities and in a transparent manner.

I'd buy a few of the USB miners for funsises, but I'm really waiting for the TypeZero.  I have a fever and the only cure is more cowbell!  Err..hashrate.

EDIT: Sent you a PM on the cables, btw.


I second that.  In this situation it would be a welcomed preorder.  I'm sure if you take investment funds then everyone would want a share.

I wouldn't mind preordering. Only because you guys actually have numbers and designs that have worked.

It wouldn't be too much of a risk to the community because it is $12k, rather than BFL numbers that were bigger...

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April 25, 2015, 04:41:37 PM
 #552

Yeah, they were taking more than that much from individuals, more than a few. A Compac preorder I'm not too worried about, but a TypeZero path would probably be an order of magnitude larger so any steps taken now need to be evaluated based on future steps as well.

I should probably get back on the paper trail with Bitmain about chips. If we can't get chips from them fairly readily, nothing else matters.

Selling seconds 2Pacs for a friend's med bills - PM for details
Currently in development - 20-120GH USB stick; 700GH 75W pod; 4TH volt-adjustable S1/3/5 upgrade kit
Server PSU interface boards and cables. USB and small-scale miners. Hardware hosting, advice and odd-jobs. Supporting the home miner community since 2013 - http://www.gekkoscience.com
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April 25, 2015, 05:00:28 PM
 #553

This thread has reached 28 pages already and the vast majority of comments have come from Sr. Members, Hero Members and Legendary Members. The very people who Fully understand the risks and have experiences to reflect upon. 12k is by No means trivial, but with a few comments from the right chip supplier accounts and protoboards in the hands of trusted members for review. I think 12k barrier would be smashed pretty quickly in a (Go)-fundme/kickstarter like campaign within this thread. You have reserved slots on page one to run/list an abbreviated ledger.
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April 25, 2015, 06:11:49 PM
 #554

I also don't mind handing money to this guy Wink The cheeseburger fund must be replenished weekly!

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April 25, 2015, 06:38:03 PM
 #555

Same here, preorder is more then acceptable for the amount of progress and development Novak and you showed.

Its been a pleasure following this thread since first post.

So if you consider preorder. Count me in.

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April 26, 2015, 12:22:09 AM
 #556

I think preorder is probably the best way to go to predict what will sell.  It should help speed production and limit inventory.

I will take two of the one and the two chip design.   Can't wait to see what the boards will be like. 
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April 26, 2015, 12:49:34 AM
 #557

I think you have a good amount of trust between you two on the team.   I personally can see pre-order if we have a reasonable price, and we for sure know it will be delivered before X date.

The delivered before is the important part to me with preorders. I feel safe  you guys are not going to grab money and run.   So that date is biggest hurdle I see.
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April 26, 2015, 04:32:56 AM
 #558

Well technically, the one time we've done a preorder sale in the past (last June or so, for our DPS2000 first batch) we missed the deadline by a week. But part of that is because the PCBs were delivered from the etch house nine days late, so it's probably pretty good that we only overshot the deadline by seven.

I'll make no decisions for sure until after we have those prototypes in hand. If I have to redesign something it'll add two weeks to whatever expectations we might already have.

As for grabbing the money and running, too many people know where our shop is for that plan to work out if we ever tried. I'll admit I'm a bit nervous about the whole process, partially because of comments like this one. I'll admit Novak and I talked about how much fun it'd be to run a hardware scam like that, coordinated with a trusted member or two to fake a hardware review of a "prototype" and then start taking in preorder money. Then pay it all back with a note saying "you just got scammed, thank goodness it was only a test" to help convince people they needed to be more dilligent. And having said all that, I technically now have no way to convince people that isn't what we're doing here.

Selling seconds 2Pacs for a friend's med bills - PM for details
Currently in development - 20-120GH USB stick; 700GH 75W pod; 4TH volt-adjustable S1/3/5 upgrade kit
Server PSU interface boards and cables. USB and small-scale miners. Hardware hosting, advice and odd-jobs. Supporting the home miner community since 2013 - http://www.gekkoscience.com
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April 26, 2015, 04:49:02 AM
 #559

Well technically, the one time we've done a preorder sale in the past (last June or so, for our DPS2000 first batch) we missed the deadline by a week. But part of that is because the PCBs were delivered from the etch house nine days late, so it's probably pretty good that we only overshot the deadline by seven.

I'll make no decisions for sure until after we have those prototypes in hand. If I have to redesign something it'll add two weeks to whatever expectations we might already have.

As for grabbing the money and running, too many people know where our shop is for that plan to work out if we ever tried. I'll admit I'm a bit nervous about the whole process, partially because of comments like this one. I'll admit Novak and I talked about how much fun it'd be to run a hardware scam like that, coordinated with a trusted member or two to fake a hardware review of a "prototype" and then start taking in preorder money. Then pay it all back with a note saying "you just got scammed, thank goodness it was only a test" to help convince people they needed to be more dilligent. And having said all that, I technically now have no way to convince people that isn't what we're doing here.

I respect that you have not started taking money until some details are more concrete.

I would LOVE to get a prototype if at all possible.  I have done many reviews and I never promise anything as far as it being positive.  I judge it based on it's merits and how it runs.
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April 26, 2015, 05:01:41 AM
 #560

I never promise anything as far as it being positive.  I judge it based on it's merits and how it runs.

That's the only way to do it. My opinion is, if you can't be polite while also being honest - be honest. Being right doesn't make you bulletproof, but it does make you right.

Selling seconds 2Pacs for a friend's med bills - PM for details
Currently in development - 20-120GH USB stick; 700GH 75W pod; 4TH volt-adjustable S1/3/5 upgrade kit
Server PSU interface boards and cables. USB and small-scale miners. Hardware hosting, advice and odd-jobs. Supporting the home miner community since 2013 - http://www.gekkoscience.com
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