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Author Topic: Avalon batch 2 connect to PC/Linux guide.  (Read 2091 times)
zchen
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July 25, 2013, 11:42:59 PM
 #1

System requirement: Ubuntu 12.04 or Debian 6.0+

Hardware prerequisite:
1. Remove jumper P5 or J1, the one next to USB-B.
2. Unplug the use cable connecting to the TP-Link, and plug it into your linux box.

Hardware optional mod:
1. Replace the stock power supply to OCZ 1250W.
2. Get a USB printer cable like this:
http://www.amazon.com/Belkin-Hi-Speed-USB-Cable-Feet/dp/B00004Z5M1
to replace the cable connecting from FPGA controller card to the TP-Link card.
We will still use USB-B port.
3. Completely remove the TP-Link, including the wire antenna connected to the box for WIFI. Make the USB long cable pass through the ethernet port, which previously occupied by TP-LINK. The USB end should be out of the box, later on connect to your linux box.

http://i48.fastpic.ru/big/2013/0710/ea/90ab84272f08899c9b4a6517016de4ea.jpg
Picture credit to : Demkd from bitcointalk forum.

4. Apply arctic-mx4 10g to the heat sink of each blade and mount them back. Move the position of the blade like the pictures above.

5. Buy http://www.newegg.com/Product/Product.aspx?Item=N82E16835213001
I installed 2 of them on the back of the case. They are loud. The picture above showing only one extra fan, the TP-LINK is not removed.
The delta 5200RPM make 240CFM, which almost double the intake of the front fan from stock case, so 2 fans can absolutely absorb the intake air, even not in full speed, If you want to add a fan controller, buy a 30w per channel controller. I brought: http://www.amazon.com/NZXT-Sentry-Performance-Controller-Black/dp/B001E0JH5E
for the Mix-2 version.

Please note: the delta fan is super loud, you really should move the case into the data center or server room. Although the avalon wiki suggested not to mount back fans, I still see the big difference by doing so, the temperature of using delta fans will reduce 10C+ from my experiment.

When you mount the two delta fans, make sure the wire coming from the fan’s corner should face to upside so that they are easier to manage as long as you open the case. MAKE SURE no wire will be pushed into the two fans. Use sticker to fix all wires’ positions.

Then connect the fans to molex or fan controller, the splitted one pin port is useless if you do not use the controller. You can place your fan controller outside the box by passing through cable from one of the bolts for the case. I just put it inside next to the metal sheet.

Software to run:

sudo apt-get install libcurl4-openssl-dev libncurses5-dev pkg-config libtool libusb-1.0-0-dev libusb-1.0-0 libudev0 libudev-dev build-essential autoconf

wget https://github.com/ckolivas/cgminer/archive/master.zip

unzip master.zip

cd cgminer-master/

sudo ./autogen.sh

sudo ./configure --disable-opencl --enable-avalon
sudo make
sudo make install

sudo cgminer --avalon-options 115200:32:10:36:350 --avalon-fan 90-100  -o stratum+tcp://stratum.bitcoin.cz:3333 -u yourworkername -p yourpassword.

Base on the avalon wiki, I should have use 115200:24 instead of 115200:32, but I found the computations are disregarded if I use 24. The 32 setup works perfectly, even though I only have 3 blades unit.

Conclusion:

My unit is stable at 84-85g/s and temperature is 22/34/35 in an ambient 21C data center. The hardware error rate is around 2%. I used tp-link for a while but it keeps stopping for certain elapsing time, the restarting issue keep me from maximizing my ROI. To my observation from slush pool, my 10 round average only got 60-70G. If you have similar issue, I can confirm that once you connect to PC/Linux, you will never see that again. Now the 10 round average are extremely stable at 82-85g/s. I also tried to set to 375M/s which should be 88G. For 24hr+ running, I did not see ANY issue with the modified cooling system. However, I am still setting it at 350M/s to make my unit safer Smiley

Donations are welcome Smiley

19PaqghYCRtc71JyxpjE2DvKBowHNaDDhP

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crazyearner
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July 26, 2013, 01:44:04 AM
 #2

Nice modding fella. Will be adding your guide and credits to my site later this week or over the weekend.

I also noticed you moved 1x modual from slot 3 to 4 that's giving less air flow to that unit as the heat sink is at the bottom and hardly much room for air to channel into it.

1 and 2 look fine and when I get the chance ill add to the guides as I have 4 guides to upload to my website for Avalon support and your is also going on their as you provided details on how to do the tp link removal and use linux build Smiley

Nice work

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sal201987
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July 26, 2013, 02:58:13 AM
 #3

Wow you know your shit bro! Awesome guide Smiley I hope you keep up with my unit!  I just sent you .02 BTC!
zchen
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July 26, 2013, 04:21:53 AM
 #4

Wow you know your shit bro! Awesome guide Smiley I hope you keep up with my unit!  I just sent you .02 BTC!

 Wink

Thanks

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mdbssm
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July 26, 2013, 12:05:43 PM
 #5

.....

Picture credit to : Demkd from bitcointalk forum.
....
I installed 2 of them on the back of the case. They are loud. The picture above showing only one extra fan, the TP-LINK is not removed.
.....

Thanks for posting this.

The picture is not displaying in your post. Can you add it again?
bobili
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July 28, 2013, 09:48:03 AM
 #6

the picture won't help you to do that...Wink

Nice work man...must try...Smiley

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March 10, 2014, 06:34:33 PM
 #7

Can You help same w for windows.
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March 10, 2014, 07:13:56 PM
 #8

Don't necro really old threads please, there is a more recent Avalon thread.

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