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Old 10-26-2006, 07:20 PM   #1 (permalink)
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So my dad orders a 7900gs without looking at the minimul power supply requirements. The psu his pc came with is a 450w psu and he thought that was great. I have yet to check the voltages in bios to see if this generic psu is stable with his stuff now, let alone the 7900gs. Here are the specs using a picture from the website of the power supply inside the case:

+5V = 30A
+3.3V = 25A
+12V = 25A

All under 450W according to the picture.

When I look on sites for power supply's, I can bearley find one with those kind of ratings (are they lying?) and newegg says the 7900gs needs atleast a 400W psu with 20A on the 12V rail. If what the psu says is legit, will this video card work fine?

I would try to find out more if the video card was in my dad's possession, let alone I was there. Lol
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Old 10-26-2006, 07:27 PM   #2 (permalink)
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whats all in your dads computer??

those always assume full loads, as long as he doesnt have too much hardware he shouldnt have to worry about it... i shoved a 6800gs in a compaq without changing the psu.. so it should be all good

as for the rails, everything seems fine to me
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Old 10-26-2006, 07:30 PM   #3 (permalink)
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It will be running:

amd 4000
1gb ram maybe 2gb
160gb ide hd
7900gs
1 case fan maybe more

It wont be running too much stuff.....
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Old 10-26-2006, 07:34 PM   #4 (permalink)
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ya, that should be fine... my compaq was a 6800gs, 3500+, 250 gb hdd, 2 dvd drives, 1 gb ram and 1 case fan... and that was all on 350 watts!! 19 amps!! hahaha
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Old 10-26-2006, 07:35 PM   #5 (permalink)
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I would play it on the safe side like i have said before i had a generic 550W PSU It bured out and fried my mobo yes smoke was coming out of the side case fan very scary
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Old 10-27-2006, 03:17 PM   #6 (permalink)
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Quote:
Originally posted by TheEnd187
I would play it on the safe side like i have said before i had a generic 550W PSU It bured out and fried my mobo yes smoke was coming out of the side case fan very scary
Even my dog would know that a generic psu could not run something like that, duh!
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