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Thread: Information about "Voltage Regulator Module"

  1. #1
    Join Date
    Mar 2003


    I need some information on "Voltage Regulator Module" or "VRM".
    I have an Intel 430VX chipset motherboard.
    However the data founded about the vrm differs of what i have on my board. The vrm appears on several web sites as a chip, but the vrm on my motherboard is like a big jumper with lots of pins.
    If i'm not wrong it can give me some overclocking possibilities.


  2. #2
    Join Date
    Aug 2002
    Ohio, USA


    Here is a description of VRM:

    voltage regulator module

    A voltage regulator module (VRM) is an installable module that senses a computer's microprocessor voltage requirements and ensures that the correct voltage is maintained.
    If you are changing your computer's microprocessor (for example, changing from a Pentium to a Pentium Pro or a Pentium with MMX), you need to add a voltage regulator module
    to the existing voltage regulator in the motherboard so that the new voltage requirements can be detected and accommodated.

    In the case of the Pentium, the original Pentium has the same voltage requirement for its core or basic operation as for its I/O operation. Both use 2.8 volts.
    However, the Pentium Pro and the Pentium with MMX have different voltage requirements for core (2.8 volts) and I/O (3.3 volts). Adding a VRM allows it to regulate the
    voltage for I/O while the original regulator built into the motherboard continues to regulate core voltage.

    I doubt the the voltage settings are in small enough increments to do anything but burn out the cpu.

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