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Author Topic: BFL ASIC mining board project  (Read 36458 times)
yurtesen
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July 29, 2013, 10:25:45 PM
 #41

i would laugh so loud if BFL will deliver chips on time and go over avalon  Cheesy

I am guessing they will start with 1 month delay, then 2 week delays, with 2 week intervals Smiley Today, BFL doesnt seem to be able to produce chips fast enough for their own devices. I feel it may be a miracle if they can ship the chips in time. But, if they can ship, then chip projects would produce products quicker than BFL and that may anger their pre-order customers...
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Each block is stacked on top of the previous one. Adding another block to the top makes all lower blocks more difficult to remove: there is more "weight" above each block. A transaction in a block 6 blocks deep (6 confirmations) will be very difficult to remove.
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July 29, 2013, 10:31:02 PM
 #42

i would laugh so loud if BFL will deliver chips on time and go over avalon  Cheesy

I am guessing they will start with 1 month delay, then 2 week delays, with 2 week intervals Smiley Today, BFL doesnt seem to be able to produce chips fast enough for their own devices. I feel it may be a miracle if they can ship the chips in time. But, if they can ship, then chip projects would produce products quicker than BFL and that may anger their pre-order customers...

What makes you think that "BFL (hence Globalfoundries) doesn't seem to be able to produce chips fast enough for their own devices?"

I am under the impression that delays there are due to other part supply and assembly issues.
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July 30, 2013, 01:18:59 AM
Last edit: July 31, 2013, 12:17:26 AM by freedomno1
 #43

Well this seems like an interesting project so will observe
Bet you guys will be faster than BFL at their rate
I wish you the best of luck on your progress and will be watching as the milestones are reached

Believing in Bitcoins and it's ability to change the world
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July 30, 2013, 01:57:55 AM
Last edit: July 30, 2013, 11:36:31 PM by Photon939
 #44

Sorry for this mini threadjack, but is there anyone still buying BFL chip credits? I'm trying to get rid of mine for 0.00625 BTC each. Send me a PM so it doesn't interrupt the thread.
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July 30, 2013, 11:09:46 AM
Last edit: July 30, 2013, 12:46:18 PM by mmmerlin
 #45

Sorry for this mini threadjack, but is there anyone still buying BFL chip credits? I'm trying to get rid of mine for like $10. Send me a PM so it doesn't interrupt the thread.

a) this really isn't the place for this and

b) the going rate is much much less than that...

EDIT: Unless I misread that, and it was supposed to imply that you're selling multiple credits for ~$10, in which case that's about right if the number is >4
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July 30, 2013, 11:30:34 AM
 #46

Watching - If your successful perhaps you could get BFL to transfer my orders over to you.  Grin

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Min€r
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July 30, 2013, 08:58:13 PM
 #47

Awesome - will watch it too as we have 128 chips ordered.  Smiley

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July 31, 2013, 02:24:07 PM
 #48

i would laugh so loud if BFL will deliver chips on time and go over avalon  Cheesy

I am guessing they will start with 1 month delay, then 2 week delays, with 2 week intervals Smiley Today, BFL doesnt seem to be able to produce chips fast enough for their own devices. I feel it may be a miracle if they can ship the chips in time. But, if they can ship, then chip projects would produce products quicker than BFL and that may anger their pre-order customers...

It's more of a delay than that - BFL is quoting 100 days from order date to delivery.  In BFL time units, that's around February 2014.
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August 01, 2013, 03:36:43 PM
 #49

Another quick update. I've made some good progress on the DC/DC converter, I think most of the issues are now resolved. I'm now going to start tweaking the control loop and doing some load and transient tests at which point I can finish that part of the circuit for the final design. Meanwhile, work on the firmware continues.
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August 01, 2013, 03:54:31 PM
 #50

So you stopped burning 7805s now? Awesome  Wink





(Just kidding, translation for the non-geek, 7805 is a linear power regulator that you'd never use i) Since 1990*, ii)for anything more than an amp iii) if you cared about conversion efficiency .... *okay, they're maybe still handy when you just want something quick and dirty.)

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August 01, 2013, 04:10:50 PM
 #51

So you stopped burning 7805s now? Awesome  Wink
I went with the 7905 since the number is higher. I think the 7805 is last year's model.
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August 01, 2013, 04:19:16 PM
 #52

LOL good plan Cheesy

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August 01, 2013, 04:20:08 PM
Last edit: August 01, 2013, 04:31:25 PM by -Redacted-
 #53

That 7905 is going to be a big negative....
.
You should consider using something more sturdy than those flimsy semiconductor things....
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August 01, 2013, 11:11:47 PM
 #54

Thanks for the update, looking forward to hashing demos soon

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August 02, 2013, 02:58:41 PM
 #55

Time to market is everything IMO.  Why do an 8 chip board instead of getting this 4 chip design production-worthy?  Seems to me that the 4 chip board that you already have would be production worthy sooner.
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August 02, 2013, 03:04:54 PM
 #56

What's the rush? Chips won't be delivered until late September at the earliest.

I am a cheerleader for Lucko, MrTeal and chris99.  Would be nice to have more than one option for BFL chip boards if possible...
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August 02, 2013, 07:17:10 PM
 #57

I must say that MrTeal is really nice... He was ready to send us chips to help when it looked like ours are stuck in US... But it was only tracking... Received my today and say thanks to him just to find out he had things ready to send me samples...
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August 05, 2013, 03:16:30 PM
 #58

I'm think chriss99 in UK could make use of those sample chips.  He just posted board pics but he has a shortage of sample chips for testing.  If there are any sample chips in USA I would be willing to buy/ship them from Houston. Nice to see a few different board options coming along.

https://forums.butterflylabs.com/bfl-forum-miscellaneous/3831-board-bfl-chips-group-buy-chips-9.html#post50833

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August 05, 2013, 10:49:15 PM
 #59

in case of board project on BFL-forum i would be less enthusiastic until they post some actual photos of the board. and some more trustful info maybe.

strange is the sequence of the latest posts and explanations about BFL-logos on the posted photos there... after getting PCBs from manufacturer?  Roll Eyes

so, no comment for now except of this one...

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August 05, 2013, 11:03:15 PM
 #60

Yes. Chris99 says those are modified jalapeno boards for testing with their 8 chip board design pics pending next week. It would be nice if he, MrTeal and Lucko all had working boards we could choose from.  Also, Lucko is offering a hosting service which is a nice option...
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