Topic: [ANN] US/North American Bitfury sales NEW STOCK ***NOW SHIPPING*** - page 54. (Read 576785 times)
November 17, 2013, 06:20:54 PM
anyone hear from Dave about the latest v3 image?
November 17, 2013, 06:03:41 PM
Aah okay the famous mini-H 
Actually I have also not seen major benefits with heatsinking h-card except for making the on-board regulator a bit stable. I am still trying to wrap my head around the issue of slower hash-rate at 0.9V. I was expecting somewhere in the ballpark of 40GH/s from 16chips.
Cool so newark sells heatskinks as well. This is useful info. Thanks
Btw did you make the boards through Oshpark? How soon was delivery?
Actually I have also not seen major benefits with heatsinking h-card except for making the on-board regulator a bit stable. I am still trying to wrap my head around the issue of slower hash-rate at 0.9V. I was expecting somewhere in the ballpark of 40GH/s from 16chips.Cool so newark sells heatskinks as well. This is useful info. Thanks
Btw did you make the boards through Oshpark? How soon was delivery?
yeah, i went through oshpark. i think my 3 boards were delivered in about 2-2.5 weeks.
There's a pic of the tool I made here: https://bitcointalksearch.org/topic/m.3259455
I basically copied http://vpapanik.blogspot.com/2012/11/low-budget-manual-pick-place.html.
Then I used a toaster oven to reflow...out of 3 cards, I only managed to get one to work...one was overheated, the other probably had some bad connections.
November 17, 2013, 04:21:26 PM
Yeah, I should use that and just change it to turn A on and the speed to grab 53 instead of 52, I may even attempt 54 since my cooling is pretty good. Thanks Spiccioli, and Keefe.
November 17, 2013, 04:15:43 PM
Is the only way to notch your speed up by making a best.cnf file? Also whats unlcear to me is when I make that best cnf file what all should be in it? Example: 1 AIfDSo 53 <-- is that the only line you need for each chip or should it be everything that the .stat.log has minus the very bottom readout?
If the autotuner isn't giving you the results you expect, you can use best.cnf to turn it off (lowercase a) and manually set speeds. You don't need to put all the stuff from .stat.log into best.cnf, but it's not a problem either. It only reads the first 3 tab-separated columns and ignores the rest.
Here there is a good way to create a starting best.conf
https://bitcointalksearch.org/topic/m.3565601
I've not tested it, but it seem ok just reading it
spiccioli
ps. btw, it's yours
November 17, 2013, 03:54:45 PM
Is the only way to notch your speed up by making a best.cnf file? Also whats unlcear to me is when I make that best cnf file what all should be in it? Example: 1 AIfDSo 53 <-- is that the only line you need for each chip or should it be everything that the .stat.log has minus the very bottom readout?
If the autotuner isn't giving you the results you expect, you can use best.cnf to turn it off (lowercase a) and manually set speeds. You don't need to put all the stuff from .stat.log into best.cnf, but it's not a problem either. It only reads the first 3 tab-separated columns and ignores the rest.
November 17, 2013, 03:39:39 PM
Aah okay the famous mini-H Actually I have also not seen major benefits with heatsinking h-card except for making the on-board regulator a bit stable. I am still trying to wrap my head around the issue of slower hash-rate at 0.9V. I was expecting somewhere in the ballpark of 40GH/s from 16chips.
Cool so newark sells heatskinks as well. This is useful info. Thanks
Btw did you make the boards through Oshpark? How soon was delivery?
Actually I have also not seen major benefits with heatsinking h-card except for making the on-board regulator a bit stable. I am still trying to wrap my head around the issue of slower hash-rate at 0.9V. I was expecting somewhere in the ballpark of 40GH/s from 16chips.Cool so newark sells heatskinks as well. This is useful info. Thanks
Btw did you make the boards through Oshpark? How soon was delivery?
yeah, i went through oshpark. i think my 3 boards were delivered in about 2-2.5 weeks.
November 17, 2013, 12:55:42 PM
Aah okay the famous mini-H Actually I have also not seen major benefits with heatsinking h-card except for making the on-board regulator a bit stable. I am still trying to wrap my head around the issue of slower hash-rate at 0.9V. I was expecting somewhere in the ballpark of 40GH/s from 16chips.
Cool so newark sells heatskinks as well. This is useful info. Thanks
Btw did you make the boards through Oshpark? How soon was delivery?
Actually I have also not seen major benefits with heatsinking h-card except for making the on-board regulator a bit stable. I am still trying to wrap my head around the issue of slower hash-rate at 0.9V. I was expecting somewhere in the ballpark of 40GH/s from 16chips.Cool so newark sells heatskinks as well. This is useful info. Thanks
Btw did you make the boards through Oshpark? How soon was delivery?
yeah, i went through oshpark. i think my 3 boards were delivered in about 2-2.5 weeks.
November 17, 2013, 12:33:49 PM
November 17, 2013, 12:33:38 PM
that's the version i've been running for a couple of days on my v3 rig but its been suspiciously slow.
according to Dave's post up a few, it sounds like it's not the right one. i look forward to him putting the right one up today.
Going back through Dave's old posts, it looks like the major pieces are the v3 tuned Chainminer with improved timings and a button on the web page that allows you to shut the Pi down cleanly without having to SSH or jack into it. So, it might help with the speeds.
When I first started up the V2, I had to enable all three of the stratum accounts on the settings page and gave them all the same account information. I remembered that vaguely from posts back from the August release. Before I did this, I was only getting about 130 GHash. I also had issues with the V2 starting up the rig at about half it's actual speed and it's full power draw even after configuring it. Giving the rig a couple of minutes to warm up, stopping, and starting the miner from the webpage seems to help.
Straying off the topic now: For comparison, I was getting 360-400 GHash on BFG and am now getting 450-470 GHash on the legacy chain miner prior to tinkering with the individual card/chip settings. The pool was following the miner's output closely enough to not be a concern.
One plus with BFG seems to be prioritized pool fail-over.
November 17, 2013, 11:48:22 AM
November 17, 2013, 11:37:04 AM
Updating, I went out this morning so I could get an 8 GB card to put the V2.5 Image on: Noncerate: 459.189GH/s - 441 W at the wall. So, I think I am at the point where it is just tweaking now. IE: upgrading to the v3 chainminer, tinkering with the voltages, and shuffling the weaker cards to the last slots of the groups.
can you post the link to the V2.5 image? is that the latest version for v3 m boards and v2.2 h boards?
Sorry, looking back at the page, I don't know where I got the V2.5 from...
It may be the same as the second link on Buzz's page. https://bitcointalksearch.org/topic/guide-bitfury-miner-supporttuning-287590
Direct link to file: https://dl.dropboxusercontent.com/u/43738391/2013-Sep-27_BFSB_GM2.rar
that's the version i've been running for a couple of days on my v3 rig but its been suspiciously slow.
according to Dave's post up a few, it sounds like it's not the right one. i look forward to him putting the right one up today.
November 17, 2013, 10:50:04 AM
Updating, I went out this morning so I could get an 8 GB card to put the V2.5 Image on: Noncerate: 459.189GH/s - 441 W at the wall. So, I think I am at the point where it is just tweaking now. IE: upgrading to the v3 chainminer, tinkering with the voltages, and shuffling the weaker cards to the last slots of the groups.
can you post the link to the V2.5 image? is that the latest version for v3 m boards and v2.2 h boards?
Sorry, looking back at the page, I don't know where I got the V2.5 from...
It may be the same as the second link on Buzz's page. https://bitcointalksearch.org/topic/guide-bitfury-miner-supporttuning-287590
Direct link to file: https://dl.dropboxusercontent.com/u/43738391/2013-Sep-27_BFSB_GM2.rar
November 17, 2013, 05:47:30 AM
my results are for an 8 chip h-card that i made (just a modified 16 chip card).
for my standard h-cards I used http://www.newark.com/abl-heatsinks/325ab1000b/heat-sink/dp/07WX4339 (needed to drill 2 holes), but I've actually ended up not heatsinking the majority of my hcards...didn't see all that much benefit (standard hcards would probably benefit most from good heatsinks on the reg...not an issue for your mod).
for my standard h-cards I used http://www.newark.com/abl-heatsinks/325ab1000b/heat-sink/dp/07WX4339 (needed to drill 2 holes), but I've actually ended up not heatsinking the majority of my hcards...didn't see all that much benefit (standard hcards would probably benefit most from good heatsinks on the reg...not an issue for your mod).
Aah okay the famous mini-H
Actually I have also not seen major benefits with heatsinking h-card except for making the on-board regulator a bit stable. I am still trying to wrap my head around the issue of slower hash-rate at 0.9V. I was expecting somewhere in the ballpark of 40GH/s from 16chips.Cool so newark sells heatskinks as well. This is useful info. Thanks
Btw did you make the boards through Oshpark? How soon was delivery?
November 17, 2013, 05:35:29 AM
my results are for an 8 chip h-card that i made (just a modified 16 chip card).
for my standard h-cards I used http://www.newark.com/abl-heatsinks/325ab1000b/heat-sink/dp/07WX4339 (needed to drill 2 holes), but I've actually ended up not heatsinking the majority of my hcards...didn't see all that much benefit (standard hcards would probably benefit most from good heatsinks on the reg...not an issue for your mod).
for my standard h-cards I used http://www.newark.com/abl-heatsinks/325ab1000b/heat-sink/dp/07WX4339 (needed to drill 2 holes), but I've actually ended up not heatsinking the majority of my hcards...didn't see all that much benefit (standard hcards would probably benefit most from good heatsinks on the reg...not an issue for your mod).
November 17, 2013, 05:19:22 AM
November 17, 2013, 05:16:02 AM
November 17, 2013, 03:19:10 AM
Updating, I went out this morning so I could get an 8 GB card to put the V2.5 Image on: Noncerate: 459.189GH/s - 441 W at the wall. So, I think I am at the point where it is just tweaking now. IE: upgrading to the v3 chainminer, tinkering with the voltages, and shuffling the weaker cards to the last slots of the groups.
can you post the link to the V2.5 image? is that the latest version for v3 m boards and v2.2 h boards?
Hi guys - I'll post up the V3 image tomorrow - sorry for the delay
November 17, 2013, 01:13:03 AM
Hmm.. What does that do Goxed?
He's using an external voltage regulator to overvolt because the onboard one overheats very easily.
November 17, 2013, 12:25:13 AM
Updating, I went out this morning so I could get an 8 GB card to put the V2.5 Image on: Noncerate: 459.189GH/s - 441 W at the wall. So, I think I am at the point where it is just tweaking now. IE: upgrading to the v3 chainminer, tinkering with the voltages, and shuffling the weaker cards to the last slots of the groups.
can you post the link to the V2.5 image? is that the latest version for v3 m boards and v2.2 h boards?
November 16, 2013, 11:53:46 PM
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