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Author Topic: Fury/Blizzard tuning and mods  (Read 104033 times)
BRADLEYPLOOF
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June 11, 2014, 03:04:02 PM
 #41

So, is there a version of CGminer that runs these?  I see CKolivas is a moderator...
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June 11, 2014, 03:12:05 PM
 #42

So, is there a version of CGminer that runs these?  I see CKolivas is a moderator...

See the first post.  There are links to both Zeusminer and GAWMiner pages where they have the cgminer binaries and sources hosted.  If you're using rpi, I also have links to the rpi images that support the Zeus/GAW GenA miners. 

You can download the source from one of the links and compile it and run it on a rpi that is running other mining software like minera for gridseeds.  That's what I did at first, just ran it from the console.
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June 11, 2014, 03:18:21 PM
 #43

So, is there a version of CGminer that runs these?  I see CKolivas is a moderator...

See the first post.  There are links to both Zeusminer and GAWMiner pages where they have the cgminer binaries and sources hosted.  If you're using rpi, I also have links to the rpi images that support the Zeus/GAW GenA miners. 

You can download the source from one of the links and compile it and run it on a rpi that is running other mining software like minera for gridseeds.  That's what I did at first, just ran it from the console.

I also really like the hashra thing.  Is there a Windows version of that kicking around or is it only for the Pi?
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June 11, 2014, 03:20:13 PM
 #44

So, is there a version of CGminer that runs these?  I see CKolivas is a moderator...

See the first post.  There are links to both Zeusminer and GAWMiner pages where they have the cgminer binaries and sources hosted.  If you're using rpi, I also have links to the rpi images that support the Zeus/GAW GenA miners. 

You can download the source from one of the links and compile it and run it on a rpi that is running other mining software like minera for gridseeds.  That's what I did at first, just ran it from the console.

I also really like the hashra thing.  Is there a Windows version of that kicking around or is it only for the Pi?

As far as I know, it's only for the pi.
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June 12, 2014, 08:32:42 AM
 #45

Really enjoying this thread so far. I have 1 blizzard miner mining away. I am thinking about getting a raspberry pi to control it instead of my old laptop. But I was wondering if there was a lot of issues for you guys with the raspberry pi usb?

Also if it helps the information in this thread i am using the generic zeus settings with only change to a 300 clk. I am slowly building my clock rate as I test and retest.

Thanks
Steve

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nst6563
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June 12, 2014, 01:08:40 PM
 #46

Really enjoying this thread so far. I have 1 blizzard miner mining away. I am thinking about getting a raspberry pi to control it instead of my old laptop. But I was wondering if there was a lot of issues for you guys with the raspberry pi usb?

Also if it helps the information in this thread i am using the generic zeus settings with only change to a 300 clk. I am slowly building my clock rate as I test and retest.

Thanks
Steve

To be honest I have less problems with the rpi than I did using a Windows pc.  I hadn't tried linux with the fury though...might be different.
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June 12, 2014, 03:09:58 PM
 #47

I have my bfgminer bat file all set up ready to go for my Week 3 Fury.  DHL says out for "With delivery courier"!  Usually that means late afternoon delivery for me.
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June 12, 2014, 04:52:30 PM
 #48

Less than 5 mins to get it running.  I decided to run a second instance of BFGMiner with the same settings but different worker name to compare the two.  I'm too busy to work on it today so will just let them run.  Performance seems identical so far.

GAWMiners Fury silkscreen is printed right side up on this Week 3.  It came with a nice long & thick blue USB cable.  Week 1 had a thin white USB cable.  Both came with 5 amp power supplies.
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June 12, 2014, 06:49:48 PM
 #49

I really think the fury's/blizzards are pushing the limits of those 5A power supplies.  I've seen the reports of people saying how hot they get and I just set mine aside and used a 7A until I had a power connector ready I could plug into the power supply.

And I know those USB cables you're talking about...they are nice.  The ones I got with my gridseeds were, thick, blue, shielded but only a couple feet long.   The cable that came with my Fury was black.  It's not as thick/nice as the blue ones, but it's not super thin either.
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June 13, 2014, 06:01:50 PM
 #50

I've run the two Fury's for 24 hrs with the same settings.  340 CLK

Week 1 Fury: A:7635 R:32 HW:6.2% poolside 24 hr avg: 1,386 kH/s
Week 3 Fury: A:7767 R:26 HW:5.2% poolside 24 hr avg: 1,399 kH/s

The Week 3 ran just a bit faster.  Most likely just natural hardware variance but I will measure some resistors and voltage when I get a chance to take them apart.
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June 13, 2014, 06:39:37 PM
 #51

Info on voltmodded Fury/Blizzard soon.
Running at Ltc clock 525 with less than 5% HW errors with cgminer. Bfgminer don't like it and gives way more errors.
Voltage upped to 1.65v
But you will need to seriously improve the stock cooling.
Also, use a serious power supply.
The one provided with the Fury managed to melt, as I expected it to do.

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June 13, 2014, 07:32:09 PM
 #52

I just did the clk to hashrate conversion ............  Shocked
I can't wait to find out the mod .......... and the watts  Grin
J4bberwock
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June 13, 2014, 08:14:13 PM
 #53

I just did the clk to hashrate conversion ............  Shocked
I can't wait to find out the mod .......... and the watts  Grin

9.1k resistor on the side of the Buck controler replaced with 5.6k one. edited the resistor from 6.2 to 5.6
Beware. The chips and the entire Fury/Blizzard will be very hot and you will need to add heatsinks to the chips and good thermal paste under the pcb.
Fan blowing through like on Gridseed blade also gives better cooling.

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ZiG
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June 13, 2014, 08:18:42 PM
 #54

I just did the clk to hashrate conversion ............  Shocked
I can't wait to find out the mod .......... and the watts  Grin

9.1k resistor on the side of the Buck controler replaced with 6.2k one.
Beware. The chips and the entire Fury/Blizzard will be very hot and you will need to add heatsinks to the chips and good thermal paste under the pcb.
Fan blowing through like on Gridseed blade also gives better cooling.

Where are all the pretty pictures... Grin

ZiG
J4bberwock
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June 13, 2014, 08:40:36 PM
 #55

I just did the clk to hashrate conversion ............  Shocked
I can't wait to find out the mod .......... and the watts  Grin

9.1k resistor on the side of the Buck controler replaced with 6.2k one.
Beware. The chips and the entire Fury/Blizzard will be very hot and you will need to add heatsinks to the chips and good thermal paste under the pcb.
Fan blowing through like on Gridseed blade also gives better cooling.

Where are all the pretty pictures... Grin

ZiG

the Fury isn"t pretty at the moment, just prototyping.

Beware, it runs very hot after modding, resistor values between 6.2 and 9.1k could give better results.

Power mosfets are rated 100A, so we should be safe

but here is the pic for the voltmod.


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J4bberwock
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June 13, 2014, 08:45:57 PM
 #56

I forgot to mention that every Zeus miner that you will mod this way will automatically send 10% of your earnings to my wallets  Grin

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suchmoon
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June 13, 2014, 08:59:19 PM
 #57

I forgot to mention that every Zeus miner that you will mod this way will automatically send 10% of your earnings to my wallets  Grin

I'll wait for the undervolt mod that would send money the other way  Grin

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happydaze
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June 13, 2014, 09:02:35 PM
 #58

If the clk to kh/s ratio holds then this could be a 50% overclock, definitely worth a donation.  Thanks for taking the risk J4bberwock.

So 9.1k is stock - approx 1.2v
6.2k gives 1.65v
So every 1k drop = +.15v approx ?

I don't have any 6.2k  Sad
I have 33k, & 22k on hand that could be usable if paralleled....
33k paralleled with 9.1k = 7.13k
22k paralleled with 9.1k = 6.43k

First things first, time to work on cooling.
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June 13, 2014, 09:26:46 PM
 #59

Do you know how many watts?
J4bberwock
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June 13, 2014, 09:45:49 PM
 #60

If the clk to kh/s ratio holds then this could be a 50% overclock, definitely worth a donation.  Thanks for taking the risk J4bberwock.

So 9.1k is stock - approx 1.2v
5.6k gives 1.65v  <- Edit 5.6 instead of 6.2
So every 1k drop = +.15v approx ?

I don't have any 6.2k  Sad
I have 33k, & 22k on hand that could be usable if paralleled....
33k paralleled with 9.1k = 7.13k
22k paralleled with 9.1k = 6.43k

First things first, time to work on cooling.
The formula is in the datasheet.

Or you can work the other way and replace the 9.3K one that is the reference resistor, just under the one I circled. I'll give a few examples, just time to setup excel

In the formula from the datasheet, R7 is th resistor I have swapped, R8 is just under it on the PCB with 93A marking

R7=0.591xR8/(desired voltage-0.591)

5.6K gives 1.57v
6.2k gives 1.48v
6.8k gives 1.4v
7.5k gives 1.3v
8.2k gives 1.26v

I measured a bias of +5% on my board. I haven't measured the R8 out of the board, but if it's slightly out bu 4 or 5% it could be the reason.
1.65v

for undervolting, if you want less power draw
10k gives 1.14v
11k gives 1.09v
12k gives 1.05v
13k gives 1.01v

Changing the R8 will also work
don't touch the 9.1k one, replace the 93A labelled one

10k gives 1.24v
11k gives 1.30v
12k gives 1.37v
13k gives 1.44v
15k gives 1.57v

for undervolt
6.2k gives 0.99v
6.8k gives 1.03v
7.5k gives 1.08v
8.2k gives 1.12v


picture to clear things up



Custom Server PSU breakout boards, 1200w, 1300w, 2000w, 2880w https://bitcointalk.org/index.php?topic=738527.0
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