Question about HP COMPAQ Presario SR5410F Pentium dual-core E2160 1GB DDR2 320GB Intel GMA 3100 Wind... PC Desktop

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Not sure about upgrading power supply

Compaq SR5410F Desktop came with a 250W power supply. I bought a 650W supply. Old supply has 20 pin motherbaord connector. New supply has 20+4 pin motherboard connector. Motherboard has 24 pins (1-20 were used with old power sonnector. HP recommends I dont use the extra 4 (They won't tell me what will happen if I do). Can I use these extra 4 pins?

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  • ntfd67 Feb 20, 2009

    I am using it as a 20 pin connector now. Just like the old supply. What I need to know is if I use the extra 4 pin connector will that supply more power to my motherboard? Hp won't answer me (Prob just covering ****) and I can't find any specs on my motherboard that answers that question.

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First, let me say for the record that I would recommend listening to HP even though it sounds like their just covering their buts. If you choose not to listen to HP, here's a couple of good links to information on the additional 4 pins. It looks like the extra pins are for extra power requirements like dual SLI graphics boards for example.

http://www.smps.us/20-to-24pin-atx.html
http://www.smpspowersupply.com/connectors-pinouts.html

Posted on Feb 20, 2009

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In many cases the additional 4 pin section slides up and off of the main power plug for use in your particular unit.

Posted on Feb 20, 2009

  • John Elliott
    John Elliott Feb 21, 2009

    The +4 pin has no use with your machine so it would neither benefit you or hurt you, it just kinda lays there...

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