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Author Topic: Klondike - 16 chip ASIC Open Source Board - Preliminary  (Read 434686 times)
zipiju
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November 26, 2013, 04:50:57 PM
 #3361

Has anyone tried avalon gen 2 chips on a k16 board?
I saw at one stage Avalon said the chips were pin compatible.

Unfortunately, they are not.

Be sure to check out http://projectklondike.org/ site
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QualitySeeds
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November 26, 2013, 07:55:28 PM
 #3362

Are u still selling the parts for k16 like the pcb and stencil on https://klondikedesign.com/ ?

U can buy marijuana seeds with BTC here !!!...

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fasmax
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November 26, 2013, 11:09:41 PM
 #3363

Has anyone tried avalon gen 2 chips on a k16 board?
I saw at one stage Avalon said the chips were pin compatible.
Is anyone interested in helping adapt the K16 design to the new gen 2 Avalon chips?
zipiju
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November 26, 2013, 11:21:20 PM
 #3364

Has anyone tried avalon gen 2 chips on a k16 board?
I saw at one stage Avalon said the chips were pin compatible.
Is anyone interested in helping adapt the K16 design to the new gen 2 Avalon chips?


I'm working on it. Parts with schematics are done, only thing left to do is PCB layout.

Be sure to check out http://projectklondike.org/ site
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fasmax
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November 26, 2013, 11:33:21 PM
 #3365

Are you using the same power supply design ?
zipiju
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November 26, 2013, 11:46:25 PM
 #3366

Are you using the same power supply design ?


Yes, but I'm messing around with an idea to replace IR3895 for IR3847 (which is an 25A reg), but that would require new footprint for PCB, and new supply design.
So don't know, what are you suggesting?

Be sure to check out http://projectklondike.org/ site
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fasmax
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November 27, 2013, 12:05:15 AM
 #3367

I was looking at some power modules with PM bus for controlling the voltage but this would cost more.

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November 27, 2013, 12:06:47 PM
 #3368

Has anyone tried avalon gen 2 chips on a k16 board?
I saw at one stage Avalon said the chips were pin compatible.
Is anyone interested in helping adapt the K16 design to the new gen 2 Avalon chips?


I'm working on it. Parts with schematics are done, only thing left to do is PCB layout.
That would be a good achievement those gen2 chips are in great numbers 

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scotjam
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November 27, 2013, 02:14:41 PM
 #3369

Has anyone tried avalon gen 2 chips on a k16 board?
I saw at one stage Avalon said the chips were pin compatible.
Is anyone interested in helping adapt the K16 design to the new gen 2 Avalon chips?


I'm working on it. Parts with schematics are done, only thing left to do is PCB layout.

Awesome - somehow BKKCoins' legacy continues!
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November 27, 2013, 03:31:35 PM
 #3370

Zipiju,

Thanks so much for continuing with BKKCoins’ work.  Once you have the PCB layout done will you be selling the PCBs, solder stencils, Programmed PIC and BOM via https://klondikedesign.com ?  Also, any idea on when you’ll be ready to sell said DIY kit?  Hope all is well.

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zipiju
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November 27, 2013, 06:18:22 PM
 #3371

Zipiju,

Thanks so much for continuing with BKKCoins’ work.  Once you have the PCB layout done will you be selling the PCBs, solder stencils, Programmed PIC and BOM via https://klondikedesign.com ?  Also, any idea on when you’ll be ready to sell said DIY kit?  Hope all is well.

H@shKraker

I wont be selling parts or PCB's. It's really expensive to manufacture PCB's here, plus the agenda around shipping etc. Klondikedesign is BKK's site and I don't know if he will be selling stuff there.
About the ETA, I really want to have it completed ASAP. The layout will be done, hopefully, at the end of this week (it's basically just a small mod to the original design). PCB manu + stencil should take about a week, assembly and testing about 2 days.

Be sure to check out http://projectklondike.org/ site
1CKscJAxjdhbJjJPJ9AzL2dWTmB6oc49UE
h@shKraker
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November 27, 2013, 08:45:54 PM
 #3372

Zipiju,

That sounds cool.  Will you be uploading your finalized work to the github (including the finalized GERBER files for the board and finalized BOM)?  On the BOM thing, about 3 weeks ago I downloaded and then updated the one that was on the GitHub for the K16 boards with recent digikey pricing in a handy dandy excel spreadsheet with cost calc formulas based on board volume from 1 and up to 500 boards.  Would you like to get your hands on my spreadsheet?  Thanks for your quick reply.

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November 27, 2013, 11:50:37 PM
 #3373

Zipiju,

Speaking of the Excel BOM I did with mouser part numbers and recent mouser pricing, I've updated the "Mandatory Changes" *AND* "Optional Changes" parts you mention on your "How To Build" page.  Let me know if you want a copy.

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November 28, 2013, 12:03:48 AM
 #3374

I just ran over to the avalon-asics site and noticed the 55nm chips they have on reels are purported to do 1.2 to 1.4 Ghash each.  If I do some quick math on this that implies each K16 board using the Avalon Gen2 chips should be fully capable of 19.2Ghash and a assembly of 4 K16 boards (making a K64) should achieve 76.8Ghash.  Does this sound correct?

H@shKraker.

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zipiju
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November 28, 2013, 08:52:21 AM
 #3375

Yes that's about right.
About the spreadsheet, you can send it to drop@projectklondike.org.
And the design, when finished, will be of course available on Git.

Be sure to check out http://projectklondike.org/ site
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driksson
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November 28, 2013, 12:57:32 PM
 #3376

Zipiju,

Thanks so much for continuing with BKKCoins’ work.  Once you have the PCB layout done will you be selling the PCBs, solder stencils, Programmed PIC and BOM via https://klondikedesign.com ?  Also, any idea on when you’ll be ready to sell said DIY kit?  Hope all is well.

H@shKraker

I wont be selling parts or PCB's. It's really expensive to manufacture PCB's here, plus the agenda around shipping etc. Klondikedesign is BKK's site and I don't know if he will be selling stuff there.
About the ETA, I really want to have it completed ASAP. The layout will be done, hopefully, at the end of this week (it's basically just a small mod to the original design). PCB manu + stencil should take about a week, assembly and testing about 2 days.

Please look on ebay for psus, there are incredibly cheap $5-$50 hp server psu's around 600w. that would work great for these boards. Why in the world go for standard computer psus..
http://www.ebay.com/itm/HP-Proliant-ML570-G2-Server-Power-Supply-600W-ESP117-DPS-600CB-/170761556966

or the dps-600
http://www.ebay.com/itm/HP-Hewlett-Packard-DPS-600PB-B-Power-Supply-575W-Used-Condition-/390698876500?pt=US_Server_Power_Supplies&hash=item5af777be54

dirt cheap!
h@shKraker
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November 28, 2013, 04:57:52 PM
 #3377

Zipiju,

Excel BOM sent to the email address you specified.  if I've missed parts please let me know and I'll add them to the spreadsheet with Mouser part numbers and Mouser pricing.

H@shKraker

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November 28, 2013, 05:00:41 PM
 #3378

driksson,

Quote
Why in the world go for standard computer psus

Because some times wives don't like the sound of PSUs that imitate jet engines :-)

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juggalodarkclow
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November 30, 2013, 03:23:53 AM
 #3379

I apologize if I missed this somewhere but does anybody know what the point of the i2c headers is and if the 4pin wires are needed for them?

EDIT: I see this is for daisy chaining. Has anyone done this and could you please provide some pics?

zipiju
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November 30, 2013, 03:53:56 AM
 #3380

I apologize if I missed this somewhere but does anybody know what the point of the i2c headers is and if the 4pin wires are needed for them?

EDIT: I see this is for daisy chaining. Has anyone done this and could you please provide some pics?

It's not implemented in FW yet.

Be sure to check out http://projectklondike.org/ site
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