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Voltage Regulators

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ALSO CALLED: Regulators
DEFINITION: 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  … 
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Voltage RegulatorsWhite Papers (View All Report Types)
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Watts and Volt-Amps: Powerful Confusion
sponsored by APC by Schneider Electric
WHITE PAPER: This exclusive white paper explains the differences between watts and VA and helps identify how the terms are used incorrectly in regards to specifying power protection equipment. Discover the power rating of UPS, examples where a sizing problem can occur and how to best guard against sizing errors.
Posted: 13 Jun 2011 | Published: 13 Jun 2011

APC by Schneider Electric

Managing Risk & Uncertainty - An Executive's Guide to Integrated Business Planning
sponsored by Oracle Corporation
WHITE PAPER: Read this white paper to learn how Integrated business planning can help your company align strategic, operational, and financial plans.
Posted: 01 Oct 2010 | Published: 01 Oct 2010

Oracle Corporation
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VOLTAGE REGULATORS DEFINITION (continued): … 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.
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