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Topic: Need Help with Mining Rig - page 2. (Read 3945 times)

hero member
Activity: 675
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Freedom to choose
March 11, 2013, 06:59:26 PM
#35
i think the price will shoot up when BTC diff changes and ASIC goes mainstream. IMO
hero member
Activity: 742
Merit: 500
March 11, 2013, 06:58:09 PM
#34
you can get 400mhs with a properly tuned setup on a 5850, absolutely. I have my 5830s hitting an average of 330mhs on some pools (and they typically show as max 260 on all info online).
On the mining comparison I think there was a max of about 450, so if I fiddle around with it, I could definitely get it to 400mhs Cheesy
Just wondering, but what do you think the value of litecoin will be in the Summer?
No one knows, any answer would be speculation. I would say that if you follow the charts from BTC's early days (2011), you would see some strong similarities. There's a possibility it reaches a perfect 25% parity with BTC, and there's the possibility that the previous high of $0.60 was the highest we will see. All speculation.
full member
Activity: 224
Merit: 100
March 11, 2013, 06:26:27 PM
#33
you can get 400mhs with a properly tuned setup on a 5850, absolutely. I have my 5830s hitting an average of 330mhs on some pools (and they typically show as max 260 on all info online).
On the mining comparison I think there was a max of about 450, so if I fiddle around with it, I could definitely get it to 400mhs Cheesy
Just wondering, but what do you think the value of litecoin will be in the Summer?
full member
Activity: 224
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March 11, 2013, 06:24:07 PM
#32
With this cooling on Powercolor, you might aim a little lower. If you can get the gigabyte, go for it.
Really?
Well the rig is going to be in my freezing cold garage. And when it comes to summer, we have a lot of fans that we can just point at it to cool it down.
Thepickingpair, what do you think about that? Powercolor not as powerful??
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March 11, 2013, 06:18:56 PM
#31
With this cooling on Powercolor, you might aim a little lower. If you can get the gigabyte, go for it.
hero member
Activity: 742
Merit: 500
March 11, 2013, 06:12:28 PM
#30
you can get 400mhs with a properly tuned setup on a 5850, absolutely. I have my 5830s hitting an average of 330mhs on some pools (and they typically show as max 260 on all info online).
full member
Activity: 224
Merit: 100
March 11, 2013, 05:38:05 PM
#29
Can you tell the exact model of Gigabyte? Gigabyte tend to have best cooling

http://www.newegg.com/Product/Product.aspx?Item=N82E16814125318
Thats the gigabyte version.
Does anyone know if there's a difference in hash rate?
Nah, you should be fine, and end up relatively close. The only issue would be the cooling, like vdragon stated above. Are they all the same 1gb model? I believe some of the later 5850s made by sapphire and gigabyte had 2gb models as well.

Oh okay. Well I wanted to buy 6 of these ones: http://www.ebay.co.uk/itm/PowerColor-Radeon-HD-5850-1GB-DX11-HDMI-DVI-DP-AX5850-1GBD5-PPDH-Graphics-Card-/271161596988?_trksid=p5197.m185&_trkparms=algo%3DSIC.NPJS%26itu%3DI%252BUA%26otn%3D3%26pmod%3D281069556233%26po%3DLVI%26ps%3D63%26clkid%3D6176140186530127789&_qi=RTM1319883

So am I right in thinking that the card I'm thinking of buying^^^^, is still around 400mhash as stated on the Bitcoin Wiki Comparison page? Or is it only the 2GB ones that are that rate? Undecided
If that one is 400mhash, I'll go ahead and buy those cards tomorrow!!! Cheesy



hero member
Activity: 742
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March 11, 2013, 05:26:25 PM
#28
Can you tell the exact model of Gigabyte? Gigabyte tend to have best cooling

http://www.newegg.com/Product/Product.aspx?Item=N82E16814125318
Thats the gigabyte version.
Does anyone know if there's a difference in hash rate?
Nah, you should be fine, and end up relatively close. The only issue would be the cooling, like vdragon stated above. Are they all the same 1gb model? I believe some of the later 5850s made by sapphire and gigabyte had 2gb models as well.
full member
Activity: 224
Merit: 100
March 11, 2013, 04:45:01 PM
#27
Can you tell the exact model of Gigabyte? Gigabyte tend to have best cooling

http://www.newegg.com/Product/Product.aspx?Item=N82E16814125318
Thats the gigabyte version.
Does anyone know if there's a difference in hash rate?
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Activity: 196
Merit: 100
March 11, 2013, 03:27:53 PM
#26
Can you tell the exact model of Gigabyte? Gigabyte tend to have best cooling
full member
Activity: 224
Merit: 100
March 11, 2013, 02:09:07 PM
#25
I've found a good deal where I can get my 6 cards, however there are like 3 different types of 5850. Sapphire, gigabyte and powercooler. I'm gonna go for the powercooler, but do you know if there's any difference between these 3? In terms of hash rate?
full member
Activity: 224
Merit: 100
March 11, 2013, 01:57:05 PM
#24
No physical change needed, just add in scrypt support to cgminer, or using a diff miner like reaper. all config changes. Honestly, my suggestion would be that you only plan to go with ltc mining. reason being is you obviously havent ordered the parts yet, takes time to ship, assemble, load software, etc. If you purchase today, it will be a min of probably about a week before you're setup (due to company shipping, etc). LTC difficulty will have adjusted 4 times by then. LTC has gone from $0.07 to $0.43 in a week. Get on board now. Also, it's much more profitable to mine ltc and convert to btc than it is to mine btc nowadays. You just cant compete with the big boys.

I would strongly suggest going with LTC from the start.

Great thanks for the advice! I did a few calculations and it seems converting LTC to BTC would be much better.
hero member
Activity: 742
Merit: 500
March 11, 2013, 01:50:32 PM
#23
No physical change needed, just add in scrypt support to cgminer, or using a diff miner like reaper. all config changes. Honestly, my suggestion would be that you only plan to go with ltc mining. reason being is you obviously havent ordered the parts yet, takes time to ship, assemble, load software, etc. If you purchase today, it will be a min of probably about a week before you're setup (due to company shipping, etc). LTC difficulty will have adjusted 4 times by then. LTC has gone from $0.07 to $0.43 in a week. Get on board now. Also, it's much more profitable to mine ltc and convert to btc than it is to mine btc nowadays. You just cant compete with the big boys.

I would strongly suggest going with LTC from the start.
full member
Activity: 196
Merit: 100
March 11, 2013, 01:49:24 PM
#22
3. Litecoin is similar mining wise, only you need more power since it utilises memory of graphics card
full member
Activity: 224
Merit: 100
March 11, 2013, 01:45:06 PM
#21
1. Correct. Although, if you're concerned with cost - i wonder how you came to choose 5970s - 6 of them will run you around $2k alone on Ebay, used. They're excellent cards, and probably the top hashrate out there, but they use more power, and have an increased base cost. Hope you figured this into your equations.
2. Yes, it doesn't matter. You're not being paid on your mining hash rate, you're being paid on the value of the estimated amount of shares you will get from that hash rate.

1. I originally was going to use 5970's, but I realized they were a bit too pricey and way too hard to get hold of. So I figured I got more hash rate for how much I'm paying for 5850's Smiley
2. Ok great!!
3. Final thing, if I were to mine litecoin if Bitcoin gets to difficult, would I need to change my rig at all?
hero member
Activity: 742
Merit: 500
March 11, 2013, 01:34:21 PM
#20
1. Correct. Although, if you're concerned with cost - i wonder how you came to choose 5970s - 6 of them will run you around $2k alone on Ebay, used. They're excellent cards, and probably the top hashrate out there, but they use more power, and have an increased base cost. Hope you figured this into your equations.
2. Yes, it doesn't matter. You're not being paid on your mining hash rate, you're being paid on the value of the estimated amount of shares you will get from that hash rate.
full member
Activity: 224
Merit: 100
March 11, 2013, 01:28:35 PM
#19
1. Okay, so I could have two motherboards with 3 cards on each?
2. Would I need 2 separate accounts on a mining pool to do this?
3. How can I have two motherboards on one machine?

Cheers
1. yes
2. no, mining pools operate off of workers. you would simply setup an additional worker (or not, if you dont mind the stats being combined)
3. you cant, you would need two separate cases, mobos, cpus, sticks of ram, psus, and some form of hard drive (whether old ide, newer sata, or a simple usb drive to load up something lightweight on boot like xubuntu or mint).

1.Okay. So it'll be more expensive to build as I would need two machines, but the fact I'm not getting the $200 mobo should balance it out a bit?
2.Right. But if I have 2 workers mining at 1000mhash each, will my profits me the same as if I had one mining at 2000?
3.Okay that's fine Smiley
hero member
Activity: 742
Merit: 500
March 11, 2013, 01:15:26 PM
#18
1. Okay, so I could have two motherboards with 3 cards on each?
2. Would I need 2 separate accounts on a mining pool to do this?
3. How can I have two motherboards on one machine?

Cheers
1. yes
2. no, mining pools operate off of workers. you would simply setup an additional worker (or not, if you dont mind the stats being combined)
3. you cant, you would need two separate cases, mobos, cpus, sticks of ram, psus, and some form of hard drive (whether old ide, newer sata, or a simple usb drive to load up something lightweight on boot like xubuntu or mint).
full member
Activity: 224
Merit: 100
March 11, 2013, 12:53:08 PM
#17
1. Okay, so I could have two motherboards with 3 cards on each?
2. Would I need 2 separate accounts on a mining pool to do this?
3. How can I have two motherboards on one machine?

Cheers
hero member
Activity: 742
Merit: 500
March 11, 2013, 12:30:08 PM
#16
Okay. So, I've decided finally that I'm gonna go for:
x6 Radeon 5850's
And this motherboard: http://www.gigabyte.com/products/product-page.aspx?pid=3880#ov

Basically, as I'm still really unsure about a lot of this stuff, can any of you guys tell me if I can have 6 Radeon 5850's on this motherboard, and can anyone give me a step by step guide on how to get ALL SIX of them mining at the same time, at their optimum hash rates.
Will give whoever can give me the best help a reward of some sort!!

Really need help on this guys. I want to buy my hardware fairly soon, but I want to be 100% sure that everything will work, as this is a fairly big investment for me  Grin
I would highly suggest against putting 6 5850s on one board. Have you thought about cooling at all? split those 6 into 2 boards, drop that gigabyte board, grab an asrock at 1/2 the price. this one will do x8,x8,x4. http://www.newegg.com/Product/Product.aspx?Item=N82E16813157262 . I have multiple 5830s and 5850s running, again i would not put 6 on a single board. Youre asking for problems, especially as a first timer who doesn't quite seem to understand it all.



Well to be honest it's gonna be in my garage and it's really cold in there haha Smiley we also have multiple fans :p
So if I had two mobos and 3 cards on each, how do I get them both to mine with the combined hash rate? I want to have the same hash rate as I would if I had 6 cards on one motherboard. Smiley

That doesnt matter. There is no benefit to loading more cards in one PC, and only drawbacks (power, space, heat). If you're talking about doing a crossfire/sli setup, that actually lowers your output. You wont find a single pro gpu farm miner that has their amd's crossfired.
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