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Author Topic: Anything I should know about 2x5770?  (Read 464 times)
johnj
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August 24, 2011, 03:48:08 PM
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Just ordered a 2nd 5770, I got one a few years ago, and they're the best watt->mHs (2.25) i could find.

A lot of mining info is spread out and I never know if certain info is current.

Anything I should expect?  Is crossfire needed or not?  What kind of temps should I be lookin out for?

Thanks much in advance.

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There are several different types of Bitcoin clients. Header-only clients like MultiBit trust that the majority of mining power is honest for the purposes of enforcing network rules such as the 21 million BTC limit. Full clients do not trust miners in this way.
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August 24, 2011, 04:20:46 PM
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Just ordered a 2nd 5770, I got one a few years ago, and they're the best watt->mHs (2.25) i could find.

A lot of mining info is spread out and I never know if certain info is current.

Anything I should expect?  Is crossfire needed or not?  What kind of temps should I be lookin out for?

Thanks much in advance.
All of what you ask is dependent on cooling,power supply and current setup.I believe a 5770 is rated at 108 watts each thus add about 150 watts for your current system and wattage for your current videocard might give you a ballpark figure.Crossfire shouldn't be required and actually gives you less rates.General rule for temps is keep it under 80 C or you could be looking for a new videocard in under 2 months when the fan is broken.[notice I didn't say if]

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johnj
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August 24, 2011, 04:29:43 PM
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Fans are at 90% Under 80c?  Hmm, MSI Afterburner has me at peak 87, but thats 77 in CCC I'm not sure which to pick, but in either case I need to lower it if I'm gonna put another card in.

I have a CoolerMasterHAFhttp://www.coolermaster.com/product.php?product_id=6653, but I'm only running stock cooling.

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