Mother Mine - Extreme Mining Setup

Do you think you will make more than it costs to run the rigs ?

There would be absolutely no point me doing this if it didn't.

great pics mate :)

2 qustions if you dont mind me asking

1. what hash rates are the PowerColors giving you?
2. Where did you get the red tubing from?

Sure. Currently about 730kH/s out of the box. When I can be bothered to spend a day tweaking, maybe they can do more.

Aluminium ware from a company called Aluminium Warehouse who cut it all to size. Very hassle-free process. Google them :)
 
Hah, so I see you went to my fav metal store after all :-)
Looks great mate.
Aye, I'll definitely be going back for some more. :)

How long until this setup breaks even?

Roughly, 3/4 months if I were paying everything I make onto my investment each month. I probably won't be doing that though, so I've worked on the basis it will take about 10 months.
 
I'm not going to lie to you mate, I have no idea.

I don't have cross fire enabled and I don't think I even have an option to turn it on as they aren't in the 16x port. The PowerColour ones can be undervolted straight out of the box whereas my MSI ones need a different BIOS.
 
Ah didn't see any reference to scrypt mining in the op

What kH/s or MH/s are you expecting to get out of the whole setup?

Say around 15,000kH/s at over 5000w looks like over £1000 per month profit after energy fees, pretty good!

Come summer time maybe you could get some air-con fitted down there

Not more cost! :(

I'm probably looking at more like 18,000kH/s given the 20 x 280X generate 15,000kH/s alone. The 4 x 290 will do 880 each so 3,520kH/s total.

Here's hoping it all pays off eh!
 
Managed to get it going with some old fuse wire.

Electrician is coming tomorrow morning to fit a garage unit which we think will be sufficient.
 
Well, slight update.

One of my 1300W PSU's trips out when I fire up the 4th 280X. The other 4 are working perfectly fine each with 5 identical cards running in identical machines.

Electrician has been today to fit a new garage unit with 32A on each fuse. 3 rigs on each now.
 
All the rigs have been running fine for 24 hours or so now. The new fuse box that the electrician fitted is fine.

Back to full ~20MH/s speed now! :D
 
So tonight my Super Flower 1300W power supply made itself heard...


Very disappointing as I was previously saying how good it was. Only a month old so regardless of load, I wouldn't expect it to die so quickly.
 
That's the one bro. I've heard a few people are having problems with them. Good PSU but that fan doesn't seem to be as good...
 
Today I decided that rather than having the fans just blowing around the room like there's no tomorrow, I would position them behind a rig to see the difference in temperatures.

They are laid out like this, where the red box is the mine. The second photo is the temperatures before putting the fan behind them and the third are the new temperatures. I am very happy with the results here and have no hesitations leaving the cards at around 70 degrees now.

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Still need to get a thermometer... I will do it soon!

Won't be having a new PSU until next week it seems as OcUK won't/can't ship a replacement to me until the SuperFlower is received which, given as it's a Friday won't be until early next week.
 
Cooling so far has been very good, no cards are going over 75 now. The ambient temperature is obviously still a problem, but there isn't much I can do with that yet. I am considering knocking a couple of air bricks out to fit extractor fans but have no idea how possible this actually is.
 
I'll take some photos tomorrow of where I'm thinking. It won't be a huge boost to the temperature but anything is a start.
 
I've bought a few of them Lasko box fans.

Although right now I'm ok with temps since I've spread out my rigs all over the house, going to have 1 fan behind each rig blowing air through it. Which should bring me down from 80c to 70c.

Then in the cellar we have a small window but obviously for security reasons cant leave it open for the time being. So going to have it barred up from the outside, open window and stick one of the fans there as a extraction. The windows is near the ceiling too, so should work brilliantly.

Long term, if this project makes good money and is still viable in 6 months time, we have in the attic a very tall bit from the stair case to the roof where there are two roof windows fitted. Will have wiring done and fit some shelves and place the hottest rigs there. Have motorised windows fitted to roof so can open up at will. Maybe stick a large extraction fan up their but given heat rises, all heat should go straight out through the roof, not turning the house into an over.

That's my plan if need be in the summer.

That photo messes with my head buddy :p
 
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