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^Ghost
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PostPosted: 02-04-2011 01:38 PM           Profile Send private message  E-mail  Edit post Reply with quote


so i tried turning on my pc just now and it turns on for a second and immediately shuts off. it turns on and off. it keeps doing this until I'm forced to pull the power plug. I've mae no changes since last night, but I'm preety sure its the power supply, considering it was 800 watts, with the gfx card(550 watts) and CPU cooler(180 watts) alone that would only leave 70 watts more or less. not to mention i am ocing both the CPU and the gfx card.

sorry for any spelling errors I'm on my phone.



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PostPosted: 02-04-2011 03:01 PM           Profile Send private message  E-mail  Edit post Reply with quote


My guess is either the PSU or the motherboard. Leaning heavily to PSU. May need to spring for a 1200w if you have that much of a load on it.
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^Ghost
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PostPosted: 02-04-2011 03:34 PM           Profile Send private message  E-mail  Edit post Reply with quote


hmm yeah i thought so, what if i wanted to sli, would the wattage of both gfx cards be simple addition (550 + 550)? or is that calculated differently?

and I'm not looking to spend a crazy amount of cash on a psu would a 1000 watt do the trick without sli??



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PostPosted: 02-04-2011 03:56 PM           Profile Send private message  E-mail  Edit post Reply with quote


check for popped capacitors on the mobo if u have the older style ones.

if not i'm also going with the PSU

i gotta find a link yet again on how to test the PSU without a PC.

stay tuned.



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PostPosted: 02-04-2011 04:00 PM           Profile Send private message  E-mail  Edit post Reply with quote


^Ghost wrote:
hmm yeah i thought so, what if i wanted to sli, would the wattage of both gfx cards be simple addition (550 + 550)? or is that calculated differently?

and I'm not looking to spend a crazy amount of cash on a psu would a 1000 watt do the trick without sli??


Is 550 the usage of the card? Seems pretty high. Or is it the recommendation for the PSU wattage?

edit: The new Nvidia 580 'recommends' a minimum 600 watt PSU but it only uses 418 in full stress load.
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PostPosted: 02-04-2011 04:15 PM           Profile Send private message  E-mail  Edit post Reply with quote


I'm getting mixed results on the added wattage for sli. I would assume it doubles to be sure though. With non sli I would imagine 1000w would be fine, I'm still not convinced that your actual usage is topping 800 though. What are your specs? That would make it much easier.
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PostPosted: 02-04-2011 04:24 PM           Profile Send private message  E-mail  Edit post Reply with quote


here's the paper clip test of the PSU without a PC

http://www.overclock.net/faqs/96712-how ... y-psu.html



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PostPosted: 02-04-2011 04:34 PM           Profile Send private message  E-mail  Edit post Reply with quote


wattage calculator

http://www.antec.outervision.com/



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PostPosted: 02-04-2011 05:51 PM           Profile Send private message  E-mail  Edit post Reply with quote


According to that calculator with

Phenom II 970 @ 3.5 ghz
6gb ddr3
GTX 460 1gb
1 sata drive
1 bluray burner
3 120mm fans
2 usb devices

I need a 400w psu minimum. I'm running a 775w psu with no problems whatsoever. I added a second 460 just for kicks and it went to a suggested 505 minimum psu. Take that for what it's worth.
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PostPosted: 02-04-2011 06:28 PM           Profile Send private message  E-mail  Edit post Reply with quote


That's what? a 125W chip?
10watts per stick of ram,
15watts per hdd,
5 watts per optical
~1-10watts per fan.
2.5W per USB device ( assuming they are taking the full 500MA )
And the 460 can take up to 35A on the 12V rail ( according to the box mind you ) 420W.

So with my rough numbers and peak draw, i see 614watts of peak use.

Newegg has their one, but the numbers seem a little high to be honest ( but closer then the last ).
http://educations.newegg.com/tool/psucalc/index.html
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PostPosted: 02-04-2011 06:44 PM           Profile Send private message  E-mail  Edit post Reply with quote


It recommends me a 690W PSU, yet all my components are overclocked and run perfectly on my Corsair TX650W. Take it with a grain of salt.
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AmIdYfReAk
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PostPosted: 02-04-2011 07:02 PM           Profile Send private message  E-mail  Edit post Reply with quote


Keeping that in mind, Corsair downrates their psu's... take that with a grain of salt.
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PostPosted: 02-04-2011 07:25 PM           Profile Send private message  E-mail  Edit post Reply with quote


All in all, the 800 'should' handle it. I don't think it's overtasked unless it's a cheap psu and performing well under the rating. Also considering I really have to work at it to top out my GTX 460 and 970, I really doubt it's pushing the boundries. I think the psu is just faulty as opposed to over-stressed.

edit: Also, newegg's calculator seems to be outdated in some areas(no bluray or more than 4gb ddr3) but still shows to handle it well with an 800w psu.
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PostPosted: 02-04-2011 07:41 PM           Profile Send private message  E-mail  Edit post Reply with quote


Intel i7 920 oced to 4ghz
CPU cooler(as noted above) cooler master v8
5x 120mm fans
2x SATA HDD
1x external HDD
1x IDE disc drive
1x sata disc drive
1x gtx 275 896mb ddr3
11x usb ports (using 5 including external hard drive)
5x 2gb RAM ddr3
front and rear speaker panels
also connected my hd tv as a second monitor

mmm now that i think about it i do need more than 800 watts

and to answer your question scourge the minimum requirement for this gfx card is 550



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PostPosted: 02-04-2011 08:07 PM           Profile Send private message  E-mail  Edit post Reply with quote


Ok anything that has it's own separate power cable does not count towards the PSU, such as monitors, possibly speaker systems, and the external usb hdd would count towards usb not internal hdd.

Considering all that Som's calculator calls for 533w so with 267 overhead, you're ok at idle, but amp up the gpu from ~160 idle to ~400 load you'll probably need a little more, so yeah, I'd go with at least a 1000w psu if you plan on stressing everything. Also, I calculate that with the cpu oc'd to 4ghz.
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PostPosted: 02-04-2011 08:13 PM           Profile Send private message  E-mail  Edit post Reply with quote


i read a thread few mins ago about a 4GHz OC and 2 gtx 275 SLI, 6GB ram running on a 700W PSU, and his cards need 4x power cables (2 for each card )



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PostPosted: 02-04-2011 08:17 PM           Profile Send private message  E-mail  Edit post Reply with quote


and just FYI

Quote:
Maximum GPU Temperature (in C) 105 C
Maximum Graphics Card Power (W) 219 W
Minimum Recommended System Power (W) 550 W
Supplementary Power Connectors


that's from nVidia's site,

max is 219W

the min 550W is depending on what's in your PC



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PostPosted: 02-04-2011 08:19 PM           Profile Send private message  E-mail  Edit post Reply with quote


That's what I was thinking, I think the ratings are calling for more than what is actually used. I see no problem with the 800w for his system but the numbers say different. Actually I forgot to add in my 9800gtx+ that I use for physx in the second slot. And it gets to humming when I play stalker or Metro. That's 4 cables right there too. I still go with faulty psu instead of overworked psu.

edit: the ratings on the calculators, I know the ratings on the recommended psu also figure in the rest of your system not just the gpu.




Last edited by Scourge on 02-04-2011 08:22 PM, edited 1 time in total.
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PostPosted: 02-04-2011 08:20 PM           Profile Send private message  E-mail  Edit post Reply with quote


My system has higher/more components than you do and it's running off of a Corsair 620W with more than enough power to spare. PSU ratings are not an accurate indication of actual power efficiency. 800W PSU should be more than enough as long as it's made by a reputable manufacturer who doesn't fudge the numbers.

Also double check your heatsinks to make sure that they are seated properly with a bit of thermal solution. If they are overheating, they may force a shutdown.



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PostPosted: 02-04-2011 08:24 PM           Profile Send private message  E-mail  Edit post Reply with quote


On that note, too much thermal compound can be just as bad or worse than not enough. These days, it takes a very thin film of paste to do the trick.
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PostPosted: 02-04-2011 09:25 PM           Profile Send private message  E-mail  Edit post Reply with quote


Scourge wrote:
edit: Also, newegg's calculator seems to be outdated in some areas(no bluray or more than 4gb ddr3) but still shows to handle it well with an 800w psu.


Uh, you just don't know how to use it. If you have eg. 6GB DDR3 (3x2GB), set the RAM to 2GB DDR3 and the multiplier to 3 :dork:

AmIdYfReAk wrote:
Keeping that in mind, Corsair downrates their psu's... take that with a grain of salt.


Source?
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PostPosted: 02-04-2011 09:47 PM           Profile Send private message  E-mail  Edit post Reply with quote


They do. My Corsair is labeled as a 620W but that's their optimal load not maximum load. Other manufacturers will label only their maximum load.



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^Ghost
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PostPosted: 02-04-2011 11:22 PM           Profile Send private message  E-mail  Edit post Reply with quote


yea when i bought my psu i bought the cheapest brand, something called xion, was like 60$

wondering why it crapped out on me now, its been a couple of weeks since i made any changes in the BIOS



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PostPosted: 02-05-2011 12:55 AM           Profile Send private message  E-mail  Edit post Reply with quote


Captain Mazda wrote:

Uh, you just don't know how to use it. If you have eg. 6GB DDR3 (3x2GB), set the RAM to 2GB DDR3 and the multiplier to 3 :dork:



Oops, it's still primitive and wrong. It doesn't consider overclocking, any usb, fans, etc.

edit: oh yeah. :dork:
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PostPosted: 02-06-2011 01:35 PM           Profile Send private message  E-mail  Edit post Reply with quote


Captain Mazda wrote:
Scourge wrote:
edit: Also, newegg's calculator seems to be outdated in some areas(no bluray or more than 4gb ddr3) but still shows to handle it well with an 800w psu.


Uh, you just don't know how to use it. If you have eg. 6GB DDR3 (3x2GB), set the RAM to 2GB DDR3 and the multiplier to 3 :dork:

AmIdYfReAk wrote:
Keeping that in mind, Corsair downrates their psu's... take that with a grain of salt.


Source?


The Southern ontario Corsair rep is my source, So i have little to nothing to post here in regards to that.

My next psu is going to be a corsair... as long as the rep keeps his word :D
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PostPosted: 02-06-2011 02:15 PM           Profile Send private message  E-mail  Edit post Reply with quote


That's cool, I just wanted to read about it.
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^Ghost
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PostPosted: 02-07-2011 01:32 PM           Profile Send private message  E-mail  Edit post Reply with quote


ok, i don't feel like making a new thread, so i bought a 1000 watt psu, and the computer does turn on, but... it seems to ne stuck in sleep mode, if i recall correctly my pc was on before i went to bed and i normally keep sleep mode on unless i am doing something, so in short, now matter how many times i hit the power button the pc is stuck in sleep mode, all fans running at max speed, monitor is black (no signal) with the Orange light...

any tips?

and yes i did plug in everything correctly.



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PostPosted: 02-08-2011 12:15 AM           Profile Send private message  E-mail  Edit post Reply with quote


1. It could be the Graphics Card. A friend of mine had the same problem about 3 or 4 weeks ago where his desktop computer turns on but the monitor has no signal. He changed the Graphics Card to an ATI Radeon HD 5770 and it turned on like normal with the monitor having detected the signal.

2. You should also check the monitor connector on the monitor (Wherever the connector is) to see if it's damaged which could be causing the problem.

Again... this is the same problem a friend of mine had and solved the problem using the 2 steps that I listed above.



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PostPosted: 02-08-2011 08:34 AM           Profile Send private message  E-mail  Edit post Reply with quote


Also try reseating the GPU in the PCI-e socket, just pull it out and pop it back in. One of my Frankenstein computers made of old parts acts up at times if I bump the case and the GPU shifts over slightly.



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PostPosted: 02-08-2011 09:28 AM           Profile Send private message  E-mail  Edit post Reply with quote


can you get into the bios ? check if anything has changed aswell



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PostPosted: 02-08-2011 11:53 AM           Profile Send private message  E-mail  Edit post Reply with quote


fuckin a got it to work... how? i removed the cmos battery for about an hour and popped it back in.. even though i did lose all my bios settings
ffs i thought it was my mobo or my CPU, everything is running fine, i want to thank everyone for all their help, you've no idea how stressful this was lol.



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