Something I don't understand about Power Supply... - Techist - Tech Forum

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Old 04-30-2005, 04:25 PM   #1 (permalink)
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Default Something I don't understand about Power Supply...

Hi,
I don't understand the power line of the floppy on the power supply... there is a 3v right? But, on the power rail, there is a 5v for the IDE and a 12v also for the IDE... Well, the 3v is connected to the 12v, so, why is it 3v and not 12v...

Maybe I'm wrong, that there is not a 3v.
Someone can help me?
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Old 05-06-2005, 02:39 PM   #2 (permalink)
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No 3, only 5 and 12 volts.
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Old 05-06-2005, 03:43 PM   #3 (permalink)
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Yes their is a 3 volt line, it is not ran on your 4 pin thingy's

Here is a diagram of a 4 pin molex

12v+ GROUND GROUND 5v+
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Old 05-06-2005, 03:45 PM   #4 (permalink)
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Ok, I was thinking of the four pin molex then. The 3v is the little one that plugs into the floppy, right?
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Old 05-06-2005, 04:42 PM   #5 (permalink)
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it's actually a 3.3v

Believe floppy uses +5v line

VGA, PCI sound, PCI Network all use voltage from the +3.3 line I think
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Old 05-06-2005, 05:06 PM   #6 (permalink)
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Old 05-06-2005, 05:59 PM   #7 (permalink)
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Quote:
Originally posted by Nubius
it's actually a 3.3v

Believe floppy uses +5v line

VGA, PCI sound, PCI Network all use voltage from the +3.3 line I think
Didnt your math teacher teach you rounding


I am really LACKING good smilies here
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Old 05-06-2005, 07:09 PM   #8 (permalink)
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Yeah, someone needs to hook up TF with some cool emoticons. Maybe some geek ones, since we are all geeks in here.
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Old 05-06-2005, 07:18 PM   #9 (permalink)
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The mods don't exactly like some of my smilies, their inapproperiate
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Old 05-06-2005, 07:22 PM   #10 (permalink)
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I ain't a geek, lol. I'm a punjabi thug. Just know some ****. DJ knows that I think, with all that text talk.
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