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Author Topic: GekkoScience BM1384 Project Development Discussion  (Read 145283 times)
toptek
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December 16, 2015, 02:30:13 PM
 #2161

Well if it's anything like the last gen of Bitfury chips, they'll keep them all to themselves. If it's like the one before that they'll sell but won't provide any documentation. But that sounds like one heck of a chip.

"As a responsible player in the Bitcoin community, we will be working with integration partners and resellers to make our unique technology widely available ensuring that the network remains decentralized and we move into the exahash era together."

Source: http://www.businesswire.com/news/home/20151216005453/en/BitFury-Announces-Mass-Production-Fastest-Effective-16nm

Fairly vague comment.

I don't trust it, greed has a funny way of blinding others.
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December 17, 2015, 02:47:54 AM
 #2162

Well if it's anything like the last gen of Bitfury chips, they'll keep them all to themselves. If it's like the one before that they'll sell but won't provide any documentation. But that sounds like one heck of a chip.

"As a responsible player in the Bitcoin community, we will be working with integration partners and resellers to make our unique technology widely available ensuring that the network remains decentralized and we move into the exahash era together."

Source: http://www.businesswire.com/news/home/20151216005453/en/BitFury-Announces-Mass-Production-Fastest-Effective-16nm

LOL

AKA: we are willing to sell to more then one farm, and bend over backwards to support them for them Millions they line their pockets with..

Also, Beastlymac, Hello stranger!
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December 17, 2015, 06:54:23 AM
 #2163

I just love that word "decentralized".

For some it means instead of a 40MW data center operated by one company, it means ten 4MW data centers all operated by the same company.

For others it means instead of a 40MW data center operated by one company, it means 40,000 1KW home miners owned and operated by individuals.

After all, decentralized sounds so much better for all than just that plain old word: distributed.

We'll find out what they really mean in 2016.
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December 17, 2015, 04:06:04 PM
 #2164

Well if it's anything like the last gen of Bitfury chips, they'll keep them all to themselves. If it's like the one before that they'll sell but won't provide any documentation. But that sounds like one heck of a chip.

"As a responsible player in the Bitcoin community, we will be working with integration partners and resellers to make our unique technology widely available ensuring that the network remains decentralized and we move into the exahash era together."

Source: http://www.businesswire.com/news/home/20151216005453/en/BitFury-Announces-Mass-Production-Fastest-Effective-16nm

LOL

AKA: we are willing to sell to more then one farm, and bend over backwards to support them for them Millions they line their pockets with..

Also, Beastlymac, Hello stranger!

Possibly i hope that they will sell a compact manageable miner to consumers though.

Hello. It has definitely been a while and I hope all is well. I still need to get all of the things framed up but will post an update of it when i do.

Message me if you have any problems
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December 23, 2015, 02:51:56 AM
 #2165

Spoiler alert - I'll probably have an update regarding the pod miner tomorrow. It may even include pictures.

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December 23, 2015, 02:55:34 AM
 #2166

Spoiler alert - I'll probably have an update regarding the pod miner tomorrow. It may even include pictures.
Faboo! Grin
Along those lines I currently have 1 s2 off-line and another soon to be replaced with a s7 so if ya need chips yer welcome to the blades.. Also have 4 s1 hash boards sans heatsinks from doing two s1>s3 upgrades.

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December 23, 2015, 03:03:07 AM
 #2167

Buck parts maybe, but I'm after BM1384 rather than 1380. I won't take in anything until I get a design proven and working (which the hardware I hope to have proven this week, software is on Novak) and even then I'll need basically a threshold minimum number of sales committed before I move to manufacture. It's possible that I won't get them, because the price might have to go up and as diff increases and new stuff appears these are becoming less and less desirable so my prototypes may be the only things that exist. But it's still worth doing in that it gets me about 80-90% of the way toward a similar design with new chips if new chips become available.

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December 23, 2015, 03:10:47 AM
 #2168

oh well. Also have 15 s3's in the process of being retired.

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sidehack
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December 24, 2015, 03:48:00 AM
 #2169

So I took a few pictures but it's almost 10PM and I don't really want to still be at work. I'll just post some info, and probably put up pictures tomorrow.

Right now I have an 8-chip pod that works. Kinda. It's on life support. It works by being attached to a couple extra boards. For one, my buck isn't working quite right. Volt setting is good, it lights up when it's supposed to. But I think current limiting isn't quite right. So I borrowed one of my hacked '53 boards with an appropriate voltage range and tied it in instead. Additionally, since Novak's still writing the firmware and I don't know if he's started on cgminer driver code yet (probably not), we don't have a controller onboard. So I tied in my hacked-up S5 controller.

The thing had a bit of problem starting at 150MHz 650mV, probably because of string imbalance. But it lit up at 150MHz and 700mV, once operating stably I turned it down to 650mV and it's running fine. I say "fine" but it's still behaving a bit weird. After about 17 minutes I'm seeing 52GH average reported, when it should be at 66GH. Not sure what's up. But I am seeing only 0.4% errors and it's registering 8 chips properly. Power draw is 12V 2.5A, so about 30W, which ain't bad for 66GH if it were doing that right. That's also higher than it should be, for one reason because I have an extra buck circuit (sitting idle but still drawing power); for another reason, because the S5 controller pulls a heck of a lot more power than our 48-pin LPC micro will.

Eligius and its high diff were giving me fits, so I switched over to slush pool, sidehack.worker1 in case anyone figures out how to view stats on that. I'll keep it running overnight and see what it looks like in the morning.

I figure tomorrow I'll try and get the onboard buck working. If I can figure that out, I'll probably build a second one so I can keep playing with one and have a complete unit for Novak to finish up.

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December 24, 2015, 04:17:32 AM
 #2170

very cool sidehack cant wait to see the pictures of them

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December 24, 2015, 10:04:36 PM
 #2171

since Bitcoin is a Proof of Work coin, here's some proof of work.





Here you can see the new thing with 8 chips. I haven't debugged the buck yet so it's still running off the hacked '53 but that's okay. Shouldn't take long to work it out. Comm lines are run straight into my hacked S5 controller. I'm not sure what's up with this guy, if it's comm noise or what, but it doesn't get full speed. Ran overnight at 150MHz (should have seen 66GH) but only regsitered 52GH or so. Now it's set at 300MHz and I should see 132GH (or at the 80% metric set by the previous test, 106GH) but I'm only seeing about 87GH. It broke 100GH earlier but I think it's getting tired. Not sure what's up. But it's running. I have found one error on the board, I forgot to level-shift the chip reset coming out of the microcontroller, but it's hashing which tells me all the worrisome and complex parts are pretty much right. My level shifters are all good. Still need to test dividing PLL LDO voltage but I'll worry about that after the local buck is working.

Merry Christmas, chumps.

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December 24, 2015, 10:49:27 PM
 #2172

Thanks for sharing!  It's great to see a pod.   Exciting to hear the future of these.   I like the idea of more chips on a board and going from 1 to 8 definitely does that.

Have a Merry Christmas aswell!
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December 24, 2015, 11:00:14 PM
 #2173

looking good there sidehack im really liking the pictures of the project

ezeminer
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December 25, 2015, 04:11:37 AM
 #2174

Glad to see the sexy miner photos again ^_^

So are you guys going to use a cooler like this, and keep it low profile like the pods?
Or was it just a cooler available in the shop?


Hope you guys also have a Merry Christmas and keep producing cool mining gear Cheesy

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December 25, 2015, 04:20:50 AM
 #2175

Holes for LGA115x cooler, use whatever you want. But I got a couple cases of those Freezer7 coolers which were supposed to be mounted on about 40 of Technobit's minion boards about 17 months ago for hosting customers; said boards have yet to be delivered though I'm fairly certain they were all paid for about 17 months ago. So I'm using one to test on this board. If I end up making enough pods to sell, and folks want me to provide coolers also, I have permission from the owner of half the coolers sitting idle on my shelf to sell them. But in general, I won't be providing coolers. If I end up on a future build getting away from CPU coolers, I may just rig up a simple heatsink and fan that bolts right to the board; if I do that, I'll keep the same size and screw positions on future boards because not reusing the heavy mechanical parts which never go obsolete and greatly increase your shipping cost is kinda dumb.

I should have a few hours tomorrow I might go by the shop and see if I can't get the onboard buck working better. There's nothing I can do about the controller until we mount up the micro and get firmware and drivers going, but I'd like to have everything besides that working since everything besides that is specifically my job. So maybe I'll do that tomorrow. If not I'll do it next week. And hopefully somewhere in there it decides to start hashing more reliably because it's averaging something like 86GH instead of the 132 I should be seeing.

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December 25, 2015, 11:32:04 AM
 #2176

Looks the goods mate and I have to say I'm excited! But take it easy, it's Christmas, spend it with family!


Merry Christmas everyone Smiley

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December 26, 2015, 03:06:49 AM
 #2177

Love reading through this thread, great stuff!

Beware of scammers.
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December 26, 2015, 03:57:08 AM
 #2178

Merry Christmas everyone!  Excited for these to see the light of day.  Nice work. 
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December 26, 2015, 06:33:01 AM
 #2179

I cannot wait to get my hands on 1 of those  Wink - looks great and keep up the good work. 

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December 26, 2015, 12:02:20 PM
 #2180

since Bitcoin is a Proof of Work coin, here's some proof of work.





Here you can see the new thing with 8 chips. I haven't debugged the buck yet so it's still running off the hacked '53 but that's okay. Shouldn't take long to work it out. Comm lines are run straight into my hacked S5 controller. I'm not sure what's up with this guy, if it's comm noise or what, but it doesn't get full speed. Ran overnight at 150MHz (should have seen 66GH) but only regsitered 52GH or so. Now it's set at 300MHz and I should see 132GH (or at the 80% metric set by the previous test, 106GH) but I'm only seeing about 87GH. It broke 100GH earlier but I think it's getting tired. Not sure what's up. But it's running. I have found one error on the board, I forgot to level-shift the chip reset coming out of the microcontroller, but it's hashing which tells me all the worrisome and complex parts are pretty much right. My level shifters are all good. Still need to test dividing PLL LDO voltage but I'll worry about that after the local buck is working.

Merry Christmas, chumps.
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