Question about Intel ASUS P4P800S-X 848P Socket 478 DDR 400 ATX Motherboard 3-in-1 Combo (P4P800SXCOMBO)

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Recommended psu wattage inreplacement to 300watts psu for asusp4p800s-x

I don't know what recommended watts for my asus p4p800s-x mobo.. one solution for my early problem is to use higher voltage of power supply.. coz i'm using recently 300watts psu.It sees that my mobo is getting a lower voltage and cause my mobo not to boot up and or not to show display on the monitor in spite of having good video card, working memory module and compatible working processor(cpu). please help..what wattage should i use aside from 300 watts..

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  • Nathanskie
    Nathanskie May 28, 2009

    yes i have change my video card into a new one.. ok i'll try to use a "new" psu with"300 watts" and will also try it with "400 or 450 watts".. only video card, dvdrom, memory and hard disk are installed in my computer and of coarse the cpu as well .. no more additional addons.. i'll be posting soon what ever happens from your suggested solutions..hope this work .. or my asus p4p800s-x mobo will soon be resting forever in the trash bin.. huhuhu..

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Did you just replaced your video card with a new one? What other peripherals/accessories do you have inside your CPU besides your VCard? Higher video cards and more accessories means you need more power. If not, your PSU is busted. You can use a 450watts PSU for Pentium4 or just replace your PSU with a new one.

Posted on May 28, 2009

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The needed wattage is directly linked to the componets you want to use other then the mobo itself. the main power surges are the CPU (takes 40 to 110 Watts) a graphics card (from 5 to over 150 Watts) the Drives (about 25-30 Watts eachs), the RAM and all the other addons and gadgets you build into your PC. Just add the different Wattages together and give it quiet some headroom. I usually drive this kinds of mobos with 400-550 Watts PSU to be on the save side, if i use a more or less "standard" graphics card, and even more with high sophistcated cards or lots of drives or such.

if you "see" low power (Volts) it might also be a problem with a partwise defective PSU.

Posted on May 28, 2009

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