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  1. #1

    What is the Vcc voltage?

    For a while I have been thinking the DDR voltage and the Vcc voltage were the same thing. However, I just noticed in my bios the DDR voltage has a default of 2.6v while the Vcc label says "Vcc(+2.5v)". Could someone explain what Vcc is and also if it is indeed not the same as DDR voltage, how can I get the actual measurement of the DDR voltage? Motherboard monitor only has two voltages listed other than the +12, +5, etc. They are at 1.74 and 2.73. I know the 1.74v is the cpu and the 2.73 is the Vcc because the bios says that as well. Thanks for the help.

  2. #2
    Join Date
    Apr 2003
    Central MA
    speaking of which, why do I have two core voltage readings? one is my 1.775v, and one is always around like 1.5v (xp 2100+ @2400mhz)

  3. #3
    Senior Member RoadWarrior's Avatar
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    Nov 2001
    Niagara Falls, Ontario, Canada
    Might be the chipset voltage, sometimes other voltages are set in relation to it, so changing it raises DDR and AGP and IO.
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  4. #4
    10 Year Badge
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    Jan 2003
    I can see walmart, 44906
    the VCC is the voltage that all of the stuff like the clock generator run off of. it's not the DDR voltage.
    Student of Electronic Engineering as of September 20, 2010

  5. #5
    Member Emericana's Avatar
    Join Date
    Jan 2002
    Boulder CO
    if you are talking about the NF7 the DDR is read as the VCC
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