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20pin psu on 24pin motherboard?

post #1 of 7
Thread Starter 
Hey guys, I have an old computer just lying I thought I'd run 24/7 folding on, but upon further inspection the motherboard needs a 24pin connector and the power supply only has 20. It turns on fine when I connect it but I was wondering if there are any risks to this or if it will just shutdown safely if the motherboard is not receiving enough power. I know I could just get a power supply with a 24pin connector, but I just wanted to check with you guys before needlessly spending $30.

Specs:
pentium 4 (515) @ 2.93GHz / 533 MHz FSB
512MB DDR PC3200 Ram
Integrated GMA 900 Graphics
80GB 7200 rpm hard-drive
Dual Layer 16x DVD Drive

250W Bestec PowerSupply (13A +12V rail)



Edited by OrangeBunnies - 5/25/11 at 12:24pm
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post #2 of 7
It will work fine.
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post #3 of 7
A 20-pin will work in a 24-pin..... but that's a "250w" Bestec "PSU" and a Pentium 4.

You can get a $30 video card that would generate more PPD while using less power.
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post #4 of 7
I'm just going to leave this here for your consideration:
http://www.jonnyguru.com/modules.php...Story&reid=154
Note it's the exact same model that you have.
post #5 of 7
Thread Starter 
Quote:
Originally Posted by DuckieHo View Post
A 20-pin will work in a 24-pin..... but that's a "250w" Bestec "PSU" and a Pentium 4.

You can get a $30 video card that would generate more PPD while using less power.
Are P4's really that bad for folding? I have a 6600GT PCI-E lying around as well, the problem is the motherboard only has PCI slots and I would rather not have to go out and spend $60 on a new power supply and video card if I can help it.

Quote:
Originally Posted by Shub View Post
I'm just going to leave this here for your consideration:
http://www.jonnyguru.com/modules.php...Story&reid=154
Note it's the exact same model that you have.
Thanks for the link, I never knew this power supply was so bad.. it worked fine in the past without frying anything, but I will heed the warning and search for another power supply in my basement and ask my friends if they have any old parts to donate.
Edited by OrangeBunnies - 5/25/11 at 1:15pm
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post #6 of 7
Quote:
Originally Posted by OrangeBunnies View Post
Are P4's really that bad for folding? I have a 6600GT PCI-E lying around as well, the problem is the motherboard only has PCI slots and I would rather not have to go out and spend $60 on a new power supply and video card if I can help it.
Yes, P4 technology is 10 years old now. It will only give you something like 100 PPD while using over 100w.

A $50 GT240 can do 4000-6000 PPD using less than 80w (plus the power of the rest of system).


6600GT cannot be used for Folding since they do not use stream processors.
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post #7 of 7
Thread Starter 
Quote:
Originally Posted by DuckieHo View Post
Yes, P4 technology is 10 years old now. It will only give you something like 100 PPD while using over 100w.

A $50 GT240 can do 4000-6000 PPD using less than 80w (plus the power of the rest of system).


6600GT cannot be used for Folding since they do not use stream processors.
Oh well.. I have a 2nd P4 with a PCI-E motherboard with a 9400GT for it (the same one in my sig rig atm), I hope that gets a little more PPD than the P4.
Edited by OrangeBunnies - 5/25/11 at 2:05pm
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[256GB Samsung 840 Pro] [2x 3TB Green WD30EZRX JBOD] [Corsair H100i] [Windows 7 Pro 64-bit] 
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[23.6" Asus VE247H] [Razer BlackWidow] [Corsair HX850] [Corsair Carbide 500R White] 
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[Logitech G400] [SteelSeries QcK+] [SteelSeries Siberia V2 Headset] [Zalman ZM-MIC 1 Microphone] 
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[Logitech X-540 5.1 Speaker] [Logitech S220 2.1 Speaker] [Bitfenix Recon Fan Controller] [TRENDnet TEW-684UB] 
CPUGraphicsRAMHard Drive
[AMD A6-3400M 2.35GHz @ 1.0875V] [AMD HD 6650M] [2x4GB Corsair Vengence 1333MHz 9-8-8-8 @ 1.5V] [500GB Seagate 5400rpm] 
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[DVD Slimdrive] [Windows 8 Pro 64-bit] [15.6" LED backlight LCD] [Logitech M305] 
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[Nokia Mini-Speakers MD-8] 
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[500GB WD Blue] [LG 24X DVD-Writer] [Hyper TX3] [Windows 7 64-bit] 
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