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HD 5850 crossfire on 650wats - Page 2

post #11 of 43
Quote:
Originally Posted by age_ruler1 View Post
Cool!

Do you guys know waht happen if a psu is overloaded? Besides its unstable? Can it fry? Or can it fry components?
It won't be overloaded (or even close to it), but the TruePower New would just safely and harmlessly turn off.
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post #12 of 43
I had my i7, 2 5850's, and a (folding) 8800GTS in my system a while ago, all ran fine on a HX650.

I also had a 5970 and 470 run off of it, with the 470 folding and the 5970 gaming.

PSU's have more power than you think.
    
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post #13 of 43
Thread Starter 
Yea... I have read that PSU are always underestimated. That's why I bought the 2nd card without many thoughts on the PSU. But I just found out a friend of mine lost his rig cuz the PSU fried... And I was like: "Dang... My system its not very cheap. I don't want to fry it. I better ask OCN." lol

Anyways.. Its good to know.

Smoking... Can you fold on a dedicated GPU???? I want to know more!
I like folding... But I like Gaming as well. I must always choose whether to Fold or to Game -.-
Can I fold on a Dedicated card?

Rep + For those who helped.
Edited by age_ruler1 - 6/4/11 at 4:08pm
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post #14 of 43
You can.

Well, this was back before the new client, not that anythings changed (has it?), but you could have ATI or whatever as primary, install the appropriate driver and fold on whatever you wanted as a second, or third, or fourth card.

Just change the GPU flags (GPU0 = primary GPU).

I also had my 5970, along with two 9800GX2's at the height of my folding days, although that required another PSU.
    
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post #15 of 43
Thread Starter 
I see... I'll investigate more on this matter.

Thanks! rep+. If I could... lol
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post #16 of 43
Quote:
Originally Posted by age_ruler1 View Post
Yes. I was thinking to run stock while I get a newer one if its near the limit of the PSU. Anyways... Do you know how to check how much voltage is it comsuming? To be sure how much it comsumes and know if I really need a new PSU or not.
DONT, you will be taking your PSU for a nice brisk walk at most. No need to underclock anything.HD5850 = 150w
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post #17 of 43
Thread Starter 
@Smoblikat:

Thanks... I guess I don't need to stock anything. Looking forward to Overclock my GPUs atleast at 5870s Speed.
Heat will be a problem. Dang it. Anyways. I just want my GPU arrives!!! Hahaha. I think it will arrive on Monday or the next day.
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post #18 of 43
Quote:
Originally Posted by age_ruler1 View Post
Yea... I have read that PSU are always underestimated. That's why I bought the 2nd card without many thoughts on the PSU. But I just found out a friend of mine lost his rig cuz the PSU fried... And I was like: "Dang... My system its not very cheap. I don't want to fry it. I better ask OCN." lol

Anyways.. Its good to know.

Smoking... Can you fold on a dedicated GPU???? I want to know more!
I like folding... But I like Gaming as well. I must always choose whether to Fold or to Game -.-
Can I fold on a Dedicated card?

Rep + For those who helped.
It's not that PSUs are underestimated, but it's that some are continuous-rated. For example, the 650W TruePower New has a 650W continuous rating. This means that it can continuously deliver 650W. However, some PSUs are peak-rated. For instance, a PSU with a 650W peak rating cannot deliver 650W continuously. Instead, it's more likely that such a PSU would only be able to continuously deliver maybe 500W, 525W, or as much as 550W-575W (I'm feeling generous).

So when looking at either NVIDIA's or AMD's power supply requirements, always remember that they're talking about peak-rated power supplies.

Regarding your friend's computer, I'm willing to bet that he had a cheap (and peak-rated) PSU.
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It's a computer!
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #19 of 43
I admit I did my maths wrong.

I did 400+150=650 somehow. I ran a 5850 on a CX400, just and a 5850 pulls 150W so that's were I got my figure. With an extra 100W, you should be fine.
post #20 of 43
Thread Starter 
I did not knew that. Good to know. I just went and check my PSU box and it says 80% Bronze certificate. What does that means? Is that what you are talking about? that it can deliver 80% all the time?


Yea... he had a Brand-less PSU.
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