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post #401 of 22320
Quote:
Originally Posted by VanillaCena View Post

Here's what I've come up with for my rig after some research and input from the community.
Warning: Spoiler! (Click to show)

I ended up not choosing the Gigabyte cards, as I've heard some recent batches cannot have their BIOS flashed. I chose the MSI one over the Sapphire, because I assume the cooler is better than the stock cooler that comes on the Sapphire in an open-air environment. Plus I won't be using risers right away, so I assume the better cooler will help for now. I also like that MSI has an additional year on their warranty. It's an extra $60 overall, but I think it's worth it.

I chose this motherboard because I plan on eventually working my way to 4 and then eventually 5 GPUs as funds permit. With that in mind, would this PSU hold me over until I add a 5th card? Or should I go ahead and grab a cheaper 850 watt PSU for the 3 cards and add a second later?

I went with this CPU over the Sempron only because the Sempron wasn't available with Amazon Prime shipping, otherwise I would've gone with it for sure.

Sorry for all the questions, but this is a pretty big purchase for me and I just want to make sure I'm getting the most efficient bang for my buck. Let me know if you guys think I should change anything. Thanks!

I was looking into this myself. I already have the MSI Z77 Mpower board thats capable of housing 3 GPUs so I'm thinking about buying a low watt ivy bridge processor and removing two of my samsung sticks of ram. I think if I can reach 1600 on 8 gbs and possible undervolt them along with undervolting the cheaper processor that might help.

I'm thinking I should be able to get a nice thing going..
post #402 of 22320
Thread Starter 
Quote:
Originally Posted by VanillaCena View Post

Here's what I've come up with for my rig after some research and input from the community.



I ended up not choosing the Gigabyte cards, as I've heard some recent batches cannot have their BIOS flashed. I chose the MSI one over the Sapphire, because I assume the cooler is better than the stock cooler that comes on the Sapphire in an open-air environment. Plus I won't be using risers right away, so I assume the better cooler will help for now. I also like that MSI has an additional year on their warranty. It's an extra $60 overall, but I think it's worth it.

I chose this motherboard because I plan on eventually working my way to 4 and then eventually 5 GPUs as funds permit. With that in mind, would this PSU hold me over until I add a 5th card? Or should I go ahead and grab a cheaper 850 watt PSU for the 3 cards and add a second later?

I went with this CPU over the Sempron only because the Sempron wasn't available with Amazon Prime shipping, otherwise I would've gone with it for sure.

Sorry for all the questions, but this is a pretty big purchase for me and I just want to make sure I'm getting the most efficient bang for my buck. Let me know if you guys think I should change anything. Thanks!

Where did you get that "can't flash" thing from?
I'd still suggest the Giga's but well, what's done is done. The Msi cards run hotter (twin frozr cooler sucks) and they have low asic scores normally (msi bins them for ln2?), at least that's the case with 7970s.
Quote:
Originally Posted by Hokies83 View Post

You can save 70$ buying a used 7950 for 240$ there is a bunch of them for sale on Hard forum right now

You can get an Ax 1200 used for 200$ to.

Or if you want to Run 5 cards you can Get a Lepa 1600 Watt psu for about the same price and it will push 5 7950s.

1600w is overkill for mining...that's for a gaming/benching rig.
Remember it's a dedicated mining rig, 50w cpu and no hdd.
Quote:
Originally Posted by Matt-Matt View Post

Just a quick couple of questions:

I have the top 7950 @ 1050MHz running ~485MH/s - Is this good?
I have the bottom 7950 @ 1150MHz running ~540MH/s is this good?

I got an invalid/stale share, what does this mean?

And lastly, every so often my MH/s drops to kh/s and will continue to mine in kh/s till I stop and restart it. What's happening here?

Kinda slow for 7950s...you should be doing over 600kh/s with each.
Driver version?
Quote:
Originally Posted by Matt-Matt View Post

Yeah I'm going for bitcoins, made 0.00033892 of one so far haha.

LTC, DGC, ARG...try multipool.in
Quote:
Originally Posted by jbmayes2000 View Post

I was looking into this myself. I already have the MSI Z77 Mpower board thats capable of housing 3 GPUs so I'm thinking about buying a low watt ivy bridge processor and removing two of my samsung sticks of ram. I think if I can reach 1600 on 8 gbs and possible undervolt them along with undervolting the cheaper processor that might help.

I'm thinking I should be able to get a nice thing going..

You can use 1x pci-e slots too, just need a powered pci-e 1x to 16x riser (or even an 1x to 1x one, both work).
post #403 of 22320
1600 watts for 5 7950s seems bout right.

And also same price as the one he is looking at... so why not.

As far as the msi vs giga goes... Could not notice much difference in there cooling... the Msi is more quiet..

My Msi TF3 7950 with 7970 PCB does 100mhz more then my Giga card did Just an over all better built card imo from having both.

But then again that is a 7970 pcb vs a 7950 pcb thing to.
Edited by Hokies83 - 6/19/13 at 6:59am
    
CPUMotherboardGraphicsGraphics
i7 3770k 5.2ghz  GIGABYTE G1 Assassin Sniper 3 7950 with Alphacool block 7950 w/ Alphacool Block 
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7950 w/ Alphacool block G.SKILL Trident X 2500mhz 2x4gb SanDisk Extreme 240gb sata III 6gbs x5 SwiftTech Apongee Drive II 
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i7 3770k 5.2ghz  GIGABYTE G1 Assassin Sniper 3 7950 with Alphacool block 7950 w/ Alphacool Block 
GraphicsRAMHard DriveCooling
7950 w/ Alphacool block G.SKILL Trident X 2500mhz 2x4gb SanDisk Extreme 240gb sata III 6gbs x5 SwiftTech Apongee Drive II 
CoolingCoolingCoolingOS
Monsta 360 86mm thick rad X 4 MCP 35X Pump x2 400ML Frozen Q Fusion res x3 Windows 7 Ultimate 64 bit 
MonitorKeyboardPowerCase
CatLeap 2560x1440 + Acer hn274h bmiiid 120hz 3D Logitech G19 Corsair Ax1200 watts  Mountain Mods Ascension 
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post #404 of 22320
Quote:
Originally Posted by ivanlabrie View Post

Where did you get that "can't flash" thing from?
I'd still suggest the Giga's but well, what's done is done. The Msi cards run hotter (twin frozr cooler sucks) and they have low asic scores normally (msi bins them for ln2?), at least that's the case with 7970s.
I'm not really sure if the Gigabyte WF3 7950 will prove to be that much of a liability.

Some of the newer ones come with a certain BIOS version that is voltage locked and can't be flashed.


As for DGC, the epools one has 358.39MH/s, while network is at 669.25MH/s.
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Plextor M5S-128GB WD Caviar Black 1.5TB Asus DRW-24D3ST Coolermaster Hyper Evo 212X 
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post #405 of 22320
Thread Starter 
Quote:
Originally Posted by Hokies83 View Post

1600 watts for 5 7950s seems bout right.

And also same price as the one he is looking at... so why not.

As far as the msi vs giga goes... Could not notice much difference in there cooling... the Msi is more quiet..

My Msi TF3 7950 with 7970 PCB does 100mhz more then my Giga card did Just an over all better built card imo from having both.

But then again that is a 7970 pcb vs a 7950 pcb thing to.

I'm talking mining performance and consumption.

50w for cpu, 50w for ram/mobo/pendrive, 200w per 7950 undervolted and oced...1100w say 1200w to be safe.
post #406 of 22320
How does a found block become "Orphaned"? Seems like the DGC guys at multipool.in gets a lot of them. If I wanna mine just DGC, should I pick a different pool?
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post #407 of 22320
Thread Starter 
Quote:
Originally Posted by Krusher33 View Post

How does a found block become "Orphaned"? Seems like the DGC guys at multipool.in gets a lot of them. If I wanna mine just DGC, should I pick a different pool?

I get better results mining at dgcpool.com or digitalcoin.scryptmining.com than multipool.in...I jumped ship long ago.
post #408 of 22320
Quote:
Originally Posted by ivanlabrie View Post

Kinda slow for 7950s...you should be doing over 600kh/s with each.
Driver version?
LTC, DGC, ARG...try multipool.in

12.3's, I'll get newer ones later on though. I'm ruinning on BTC Guild (any) right now. Bad choice?
 
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post #409 of 22320
Quote:
Originally Posted by ivanlabrie View Post

I'm talking mining performance and consumption.

50w for cpu, 50w for ram/mobo/pendrive, 200w per 7950 undervolted and oced...1100w say 1200w to be safe.

It's the same price so it is better to have 1600 watts and use but 1200 watts of it then have a 1200 watt psu and run it at 100% of what it can do 24 hrs a day 7 days a week said psu may explode.
    
CPUMotherboardGraphicsGraphics
i7 3770k 5.2ghz  GIGABYTE G1 Assassin Sniper 3 7950 with Alphacool block 7950 w/ Alphacool Block 
GraphicsRAMHard DriveCooling
7950 w/ Alphacool block G.SKILL Trident X 2500mhz 2x4gb SanDisk Extreme 240gb sata III 6gbs x5 SwiftTech Apongee Drive II 
CoolingCoolingCoolingOS
Monsta 360 86mm thick rad X 4 MCP 35X Pump x2 400ML Frozen Q Fusion res x3 Windows 7 Ultimate 64 bit 
MonitorKeyboardPowerCase
CatLeap 2560x1440 + Acer hn274h bmiiid 120hz 3D Logitech G19 Corsair Ax1200 watts  Mountain Mods Ascension 
MouseAudio
Logitech M570 Pioneer SP-BS21 Bookshelf Loudspeakers + Lepai Amp 
  hide details  
Reply
    
CPUMotherboardGraphicsGraphics
i7 3770k 5.2ghz  GIGABYTE G1 Assassin Sniper 3 7950 with Alphacool block 7950 w/ Alphacool Block 
GraphicsRAMHard DriveCooling
7950 w/ Alphacool block G.SKILL Trident X 2500mhz 2x4gb SanDisk Extreme 240gb sata III 6gbs x5 SwiftTech Apongee Drive II 
CoolingCoolingCoolingOS
Monsta 360 86mm thick rad X 4 MCP 35X Pump x2 400ML Frozen Q Fusion res x3 Windows 7 Ultimate 64 bit 
MonitorKeyboardPowerCase
CatLeap 2560x1440 + Acer hn274h bmiiid 120hz 3D Logitech G19 Corsair Ax1200 watts  Mountain Mods Ascension 
MouseAudio
Logitech M570 Pioneer SP-BS21 Bookshelf Loudspeakers + Lepai Amp 
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post #410 of 22320
Thread Starter 
Quote:
Originally Posted by Matt-Matt View Post

12.3's, I'll get newer ones later on though. I'm ruinning on BTC Guild (any) right now. Bad choice?

WHA? xD

Use 12.8 or 13.6b2...I'd go for 12.8 seemed better for me, mining performance wise.
Use AMD cleanup utility in safe mode after uninstalling drivers via Catalyst manager.

And don't mine BTC, less $$$, mine litecoin at least, or digital coin.

www.dgcpool.com

Follow the scrypt guides, I posted tons of mining configs lately, and troubleshooted folks bat files...go back a few posts and post back if you have problems.
Quote:
Originally Posted by Hokies83 View Post

It's the same price so it is better to have 1600 watts and use but 1200 watts of it then have a 1200 watt psu and run it at 100% of what it can do 24 hrs a day 7 days a week said psu may explode.

Same price? Yeah, why not? biggrin.gif
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