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Alternate cryptocurrencies => Mining (Altcoins) => Topic started by: TheSmo on February 14, 2014, 11:53:01 PM



Title: Tutorial: how to build a mining rig with 3-5 280x cards
Post by: TheSmo on February 14, 2014, 11:53:01 PM
Today most of my hardware arrived *happy*.

Thanks to all on this forum who helped with their experience and input.

I hope to get the rig running tomorrow and will make a detailed list of my learning.

http://www.das-hilfe-portal.de/wp-content/uploads/2014/02/DSC01872-1280.jpg

Detailed list of components:
http://www.das-hilfe-portal.de/technik/mining-rig-5x-r9-280x-7970-amd-ati/


Title: Re: Tutorial: how to build a mining rig with 3-5 280x cards
Post by: TheSmo on February 14, 2014, 11:54:01 PM
[reserved]


Title: Re: Tutorial: how to build a mining rig with 3-5 280x cards
Post by: NameTaken on February 15, 2014, 12:27:50 AM
Have you undervolted the GPUs and if so, how many wattage reduction did you see? Also, since the H81 Pro motherboard already come with 2 supplementary Molex for PCI-E, why did you get powered risers?


Title: Re: Tutorial: how to build a mining rig with 3-5 280x cards
Post by: TheSmo on February 15, 2014, 12:38:41 AM
I bought powered risers in case i need them.As the blog says, this is my first rig ever, so I am learning by doing.

About your first question: nothing is built together yet, will happen tomorrow.


Title: Re: Tutorial: how to build a mining rig with 3-5 280x cards
Post by: NameTaken on February 15, 2014, 12:43:09 AM
I bought powered risers in case i need them.As the blog says, this is my first rig ever, so I am learning by doing.

About your first question: nothing is built together yet, will happen tomorrow.

I've heard of cheap powered risers catching fire when both the motherboard and riser have Molex plugged into them.


Title: Re: Tutorial: how to build a mining rig with 3-5 280x cards
Post by: TheSmo on February 15, 2014, 12:50:10 AM
Thanks for the warning. What do you mean with Molex?


Title: Re: Tutorial: how to build a mining rig with 3-5 280x cards
Post by: NameTaken on February 15, 2014, 12:51:26 AM
Thanks for the warning. What do you mean with Molex?

http://i62.tinypic.com/33z8n10.jpg


Title: Re: Tutorial: how to build a mining rig with 3-5 280x cards
Post by: TheSmo on February 16, 2014, 12:16:20 PM
We (my son and me) made the first test, installed Win8 and it works fine so far.

I leanred how to switch on a mining rig without a power-switch... feels like short-circuiting a car :).

Next step is a test in a plastic crate... later today.

http://www.bombrats.com/forum/index.php?action=dlattach;topic=9876.0;attach=12146;image


Title: Re: Tutorial: how to build a mining rig with 3-5 280x cards
Post by: wwzoon on February 16, 2014, 04:11:32 PM
sorry but i hear that r9 280x like your with undervolt use only 275w, i think that use something like 300 or more watt! i have the same r9 280x :P


Title: Re: Tutorial: how to build a mining rig with 3-5 280x cards
Post by: atp1916 on February 16, 2014, 04:42:03 PM
So that you don't have to stick a fork into your rig every time you have to reset it or power it on, try out these front panel connector button replacements (http://www.ebay.com/itm/121016967044?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649).

They have saved me a ton of effort!


Title: Re: Tutorial: how to build a mining rig with 3-5 280x cards
Post by: TheSmo on February 16, 2014, 05:55:57 PM
So that you don't have to stick a fork into your rig every time you have to reset it or power it on, try out these front panel connector button replacements (http://www.ebay.com/itm/121016967044?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649).

They have saved me a ton of effort!

Thanks for the hint, but I changed the BIOS, so when I switch on the PSU, it also starts the computer.

More to come.


Title: Re: Tutorial: how to build a mining rig with 3-5 280x cards
Post by: TheSmo on March 11, 2014, 10:26:33 PM
So, after a long time, here's the update:

4 out of 5 riser cables were broken.
Had to get replacement from different merchant.
Replaced one 280x DUAL with 280x TOXIC.
Added a second PSU.
Runs non-stop since a few days.

More:
http://www.das-hilfe-portal.de/technik/mining-rig-5x-r9-280x-7970-amd-ati/

http://www.das-hilfe-portal.de/wp-content/uploads/2014/03/DSC01955-800x422.jpg